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IC-HX
preliminary
Rev A1, Page 1/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
FEATURES o o o o o o o o o o o o o o o o 6 current-limited and short-circuit-proof push-pull drivers Differential 3-channel operation selectable Integrated impedance adaption for 30 to 140 lines Wide power supply range from 4 to 40 V 200 mA output current (at VB = 24 V) Low output saturation voltage (< 0.4 V at 30 mA) Compatible with TIA/EIA standard RS-422 Tristate switching of outputs enables use in buses Short switching times and high slew rates Low static power dissipation Dynamic power dissipation reduced with iC-xSwitch Schmitt trigger inputs with pull-down resistors, TTL and CMOS compatible; voltage-proof up to 40 V Thermal shutdown with hysteresis Error message trigger input TNER Open-drain error output NER, active low with excessive chip temperature and undervoltage at VCC or VB Option: Extended temperature range from -40 to 125 C
APPLICATIONS o Line drivers for 24 V control engineering o Linear scales and encoders o MR sensor systems
PACKAGES
QFN28 5 x 5 mm
BLOCK DIAGRAM
+5V
VCC ERROR DETECTION
+24V
trigger error input enable / tristate
TNER
MODE
NER
1
ENA
error output
PLC
&
UNDERVOLTAGE & OVERTEMPERATURE VB1
E1 1
A1
vert. 8V/div.
hor. 2s/div
A2 E2 0 VB2 A3 1 E4 0 VB3 A5 1 A6 E6 0
E3
A4
E5
differential / single ended normal / x-Switch mode
DIFF
IC-HX
iC-xSWITCH CONTROL 1 GND1 GND2 GND3 GND4 0
CX1
1F
LINE 100 m
NXS
CX6
1F
Copyright (c) 2008 iC-Haus
http://www.ichaus.com
IC-HX
preliminary
Rev A1, Page 2/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
DESCRIPTION IC-HX is a fast line driver with six independent channels and integrated impedance adaptation for 30 to 140 lines. Channels are paired for differential 3-channel operation by a high signal at the DIFF input, providing differential output signals for the three inputs E1, E3 and E5. All inputs are compatible with CMOS and TTL levels. The push-pull output stages have a driver power of typically 200 mA from 24 V and are short-circuitproof and current-limited, shutting down with excessive temperature. For bus applications the output stages can be switched to high impedance using input ENA. To reduce the dynamic power dissipation in applications with long lines the IC-HX uses the iC-xSwitch. IC-HX monitors supply voltages VB and VCC and the chip temperature, switching all output stages to high impedance in the event of error and set NER activ low. In addition, the device also monitors voltage differences at the pins VB1, VB2 and VB3 and generates an error signal if the absolut value exceeds 0.75 V. The open-drain output NER allows the device to be wired-ORed to the relevant NER error outputs of other IC-HXs and iC-DLs. Via input TNER the message outputs of other ICs can be extended to generate system error messages. NER switches to high impedance if supply voltage VCC ceases to be applied. The device is protected against ESD.
PACKAGES QFN12 to JEDEC Standard
PIN CONFIGURATION QFN28 5 x 5 mm2
28
27
26
25
24
23
22
1 2 3 4 5 6 7
21 20 19
IC-HX code... ...
18 17 16 15
8
9
10
11
12
13
14
PIN FUNCTIONS No. Name Function 1 E1 Input Channel 1 2 E2 Input Channel 2 3 E3 Input Channel 3 4 n.c. 5 E4 Input Channel 4
PIN FUNCTIONS No. Name Function 6 E5 Input Channel 5 7 E6 Input Channel 6 8 VCC +5 V Supply 9 CXS6 Capacitor iC-xSwitch 10 TNER Error Input, low active 11 NER Error Output, active low 12 A6 Output Channel 6 13 GND4 Ground 14 VB3 +4.5 ... 40 V Power Supply 15 A5 Output Channel 5 16 GND3 Ground 17 A4 Output Channel 4 18 VB2 +4.5 ... 40 V Power Supply 19 A3 Output Channel 3 20 GND2 Ground 21 A2 Output Channel 2 22 VB1 +4.5 ... 40 V Power Supply 23 GND1 Ground 24 A1 Output Channel 1 25 NXS Enable iC-xSwitch, low active 26 ENA Enable Input, high active 27 CXS1 Capacitor iC-xSwitch 28 DIFF Differential Mode Input, high active
The pins VB1, VB2 and VB3 must be connected to the same driver supply voltage VB. The pins GND1, GND2, GND3 and GND4 must be connected to GND. To improve heat dissipation, the thermal pad at the bottom of the package should be joined to an extended copper area which must have GND potential.
IC-HX
preliminary
Rev A1, Page 3/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
ABSOLUTE MAXIMUM RATINGS
Beyond these values damage may occur; device operation is not guaranteed. Absolute Maximum Ratings are no Operating Conditions. Integrated circuits with system interfaces, e.g. via cable accessible pins (I/O pins, line drivers) are per principle endangered by injected interferences, which may compromise the function or durability. The robustness of the devices has to be verified by the user during system development with regards to applying standards and ensured where necessary by additional protective circuitry. By the manufacturer suggested protective circuitry is for information only and given without responsibility and has to be verified within the actual system with respect to actual interferences. Item No. Symbol Parameter Supply Voltage Driver Supply Voltage VB1, VB2, VB3 Voltage at E1...6, A1...6, DIFF, ENA, TNER Driver Output Current (x=1...6) Input Current Driver E1...E6, Diff, ENA, TNER Voltage at NER Current in NER ESD Suceptibility at all pins Operating Junction Temperature Storage Temperature Range HBM 100 pF discharged through 1.5 k -40 -40 Conditions Min. 0 0 0 -800 -4 0 -4 Max. 7 40 40 800 4 40 25 2 140 150 V V V mA mA V mA kV C C Unit
G001 VCC G002 VBx G003 V() G004 I(Ax) G005 I(Ex) G006 V(NER) G007 I(NER) G008 V() G009 Tj G010 Ts
THERMAL DATA
Operating conditions: VB1. . . 3 = 4.5. . . 40 V, VCC = 4.5. . . 5.5 V or VB1. . . 3 = VCC = 4. . . 5.5 V Item No. T01 T02 Symbol Ta Rthja Parameter Operating Ambient Temperature Range (extended range to -40C on request) Thermal Resistance Chip to Ambient surface mounted, thermal pad soldered to approx. 2 cm heat sink Conditions Min. -25 40 Typ. Max. 125 C K/W Unit
All voltages are referenced to ground unless otherwise stated. All currents into the device pins are positive; all currents out of the device pins are negative.
IC-HX
preliminary
Rev A1, Page 4/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
ELECTRICAL CHARACTERISTICS
Operating Conditions: VB1...3 = 4.5...32 V, VCC = 4...5.5 V, Tj = -40...140 C, unless otherwise noted input level lo = 0...0.45 V, hi = 2.4 V...VCC, timing diagram see fig. 1 Item No. 001 002 003 004 005 006 007 008 009 Symbol Parameter Conditions Min. VBx I(VBx) I(VBx) I(VBx) I(VBx) IO(Ax) VCC I(VCC) Vc()lo Supply Voltage Range (Driver) Supply Current in VB1...3 Supply Current in VB1...3 Supply Current in VB1, Outputs A1...2 Tri-State Supply Current in VB2...3, Outputs A3...6 Tri-State Output Leakage Current Supply Voltage Range (Logic) Supply Current in VCC Clamp Voltage low at pins VB1...3, A1...6, E1...6, DIFF, ENA TNER, NER, VCC Clamp Voltage high at pins VB1...3, A1...6, E1...6, DIFF, ENA TNER, NER Supply Current in VB1...3 Saturation Voltage low Saturation Voltage low Short circuit current low Short circuit current low Output resistance Slew Rate low Free Wheel Clamp Voltage low Saturation Voltage high Saturation Voltage high Short circuit current high Short circuit current high Slew Rate high Free Wheel Clamp Voltage high ENA = hi, Ax = lo I() = -10 mA, all other pins open -1.2 Ax = lo Ax = hi ENA = lo, V(A1...2) = -0.3...(VB + 0.3 V) ENA = lo, V(A3...6) = -0.3...(VB + 0.3 V) ENA = lo, V(Ax) = 0 ... VB -50 4 4 Typ. Max. 40 8 8 4 2 50 5.5 10 0.4 V mA mA mA mA A V mA V Unit
General (x=1..6)
010
Vc()hi
I() = 1 mA, all other pins open
41
64
V
011 101 102 103 104 105 106 107 201 202 203 204 205 206 207
I(VBx) Vs(Ax)lo Vs(Ax)lo Isc(Ax)lo Isc(Ax)lo Rout(Ax) SR(Ax)lo Vc()lo Vs(Ax)hi Vs(Ax)hi Isc(Ax)hi Isc(Ax)hi SR(Ax)hi Vc(Ax)hi
ENA = hi, f(E1...6) = 1 MHz I(Ax) = 10 mA, Ax = low I(Ax) = 30 mA, Ax = low V(Ax) = 1.5 V V(Ax) = VB, Ax = low VB = 10...40 V, V(Ax) = 0.5 * VB VB = 40 V, Cl(Ax) = 100 pF I(Ax) = -100 mA Vs(Ax)hi = VB - V(Ax), I(Ax) = -10 mA, Ax = hi Vs(Ax)hi = VB - V(Ax), I(Ax) = -30 mA, Ax = hi V(Ax) = VB - 1.5 V, Ax = hi V(Ax) = 0 V, Ax = hi VB = 10...40 V, V(Ax) =0.5 * VB VB= 40 V, Cl(Ax) = 100 pF I(Ax) = 100 mA, VB = VCC = GND -70 -800 40 200 0.5 75 -50 40 200 -1.4 75 30 50
10 0.2 0.4 70 800 100 1000 -0.5 0.2 0.5 -30 100 1000 1.4
mA V V mA mA Ohm V/s V V V mA mA Ohm V/s V
Driver Outputs A1...6, Low-Side-action (x = 1...6)
Driver Outputs A1...6, High-Side-action (x = 1...6)
Rout(Ax)hi Output resistance
iC-xSwitch CXS1, CXS6, A1. . . 6, VB1. . . 3 301 302 303 304 305 306 307 308 309 310 401 402 403 VBxs,on VBxs,off VBxs,hys Ron() Vth(Ax)hi Vth(Ax)lo Vtl(Ax)hi Vtl(Ax)lo Turn-on threshold iC-xSwitch Turn-off threshold iC-xSwitch Hysteresis On-resistance iC-xSwitch Higher threshold hi Higher threshold lo Lower threshold hi Lower threshold lo VBx = 40 V, V(CXSx)= 20 V, I(Ax) = 350 mA VBx = 12. . . 40 V VBx = 12. . . 40 V VBx = 12. . . 40 V VBx = 12. . . 40 V VBx = 12. . . 40 V VBx = 12. . . 40 V VB = 12. . . 40 V f(Ex) = 500KHz, td = 800 ns, VB = 12. . . 40 V f(Ex) = 100 KHz, td = 4 s, VB = 12. . . 40 V 30 100 100 400 3.2 200 300 600 3.8 63 100 40 11 150 7 73 12 V V mV Ohm %VB %VB mV %VB %VB mV ns ns s
Vth(Ax)hys Higher hysteresis
Vtl(Ax)hys Lower hysteresis tdmin Minumum time for line reflection
Switch control tXSon(Ax) On-time iC-xSwitch tXSon(Ax) On-time iC-xSwitch
CXS-generation CXS1, CXS6
IC-HX
preliminary
Rev A1, Page 5/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
ELECTRICAL CHARACTERISTICS
Operating Conditions: VB1...3 = 4.5...32 V, VCC = 4...5.5 V, Tj = -40...140 C, unless otherwise noted input level lo = 0...0.45 V, hi = 2.4 V...VCC, timing diagram see fig. 1 Item No. 501 502 503 504 505 506 507 508 509 510 601 602 603 604 605 606 701 702 703 801 Symbol V() Isc()lo Isc()hi Vc()hi Vth()hi Vth()lo Vth()hys Vtl()hi Vtl()lo Vtl()hys Vt()hi Vt()lo Vt()hys Ipd() Ipd() Il(E1. . . 6) VBon VBoff VBhys Vth(VBx) Parameter Voltage at CXS1, CXS6 Short circuit current lo Short circuit current hi Clamp Voltage hi higher turn-off threshold iCxSwitch higher turn-on threshold iCxSwitch Hysteresis lower turn-on threshold iCxSwitch lower turn-off threshold iCxSwitch Hysteresis Threshold Voltage high Threshold Voltage low Input Hysteresis Pull-Down-Current Pull-Down-Current Leakage current at E1. . . 6 Vt()hys = Vt()hi - Vt()lo V() = 0.8 V V() 40 V ENA = lo 0.8 200 10 15 -10 400 800 80 160 10 3.95 3 150 0.75 1.85 Conditions Min. VB = 12. . . 40 V,I(CXSXx)= 100 A VB = 12. . . 40 V, CXSx = 0 V VB = 12. . . 40 V, CXSx = VB I() = 10 mA, VB = VCC = GND VB = 12. . . 40 V VB = 12. . . 40 V Vth()hys = Vth()hi - Vth()lo VB = 12. . . 40 V VB = 12. . . 40 V Vtl()hys = Vtl()hi - Vtl()lo 30 100 2 63 100 40 47 2 -20 0.5 Typ. 50 Max. 53 20 -2 1.4 73 %VB mA mA V %VB %VB mV %VB %VB mV V V mV A A A V V mV V Unit
Inputs E1...6, DIFF, ENA, TNER
Supply Voltage Control VB Threshold Value at VB for Under- |VB1 - VB2| & |VB2 - VB3| & |VB1 - VB3| < voltage Detection on 0.75 V Threshold Value at VB for Under- |VB1 - VB2| & |VB2 - VB3| & |VB1 - VB3| < voltage Detection off 0.75 V Hysteresis Threshold Condition for Supply Voltage Difference Control VBhys = VBon - VBoff V(VBx) = MAX (|VB1 - VB2| , |VB2 - VB3| , |VB1 - VB3| ) NER low
Supply Voltage Difference Control VB1...3
Supply Voltage Control VCC 901 902 903 A01 A02 A03 B01 B02 B03 B04 VCCon VCCoff VCChys Toff Ton Thys Vs() Isc() IO() VCC Threshold Value at VCC for Undervoltage Detection on Threshold Value at VCC for Undervoltage Detection off Hysteresis Thermal Shutdown Threshold Thermal Lock-on Threshold Thermal Shutdown Hysteresis Saturation Voltage low at NER Leakage Current at NER Supply Voltage for NER function VCChys = VCCon - VCCoff increasing temperature decreasing temperature Thys = Ton - Toff I(NER) = 5 mA, NER = lo 6 -10 2.9 12 V(NER) = 0 V...VB, NER = hi I(NER) = 5 mA, NER = lo, Vs(NER) < 0.4 V 3 100 145 130 4 12 0.4 20 10 175 165 3.95 V V mV C C C V mA A V
Temperatur Control
Error Output NER Short Circuit Current low at NER V(NER) = 2...40 V, NER = lo
IC-HX
preliminary
Rev A1, Page 6/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
OPERATING CONDITIONS
Operating Conditions: VB1...3 = 4.5...32 V, VCC = 4...5.5 V, Tj = -40...140 C, unless otherwise noted input level lo = 0...0.45 V, hi = 2.4 V...VCC, timing diagram see fig. 1 Item No. Symbol Parameter Conditions Min. Propagation Delay Ex Ax Propagation Delay Ex Ax DIFF = lo, Cl() = 100 pF DIFF = lo, Cl() = 100 pF DIFF = hi, Cl() = 100 pF DIFF = hi, Cl() = 100 pF Ex = hi, DIFF = lo, Cl() = 100 pF, Rl(Ax, GND) = 5 k Ex = lo, DIFF = lo, Cl() = 100 pF, Rl(VB, Ax) = 100 k Ex = lo, DIFF = lo, Rl(VB, Ax) = 5 k Ex = hi, DIFF = lo, Rl(Ax, GND) = 5 k Max. 400 200 100 100 300 200 500 500 250 400 2 0.3 3 ns ns ns ns ns ns ns ns ns ns s s Unit
Time Delays I001 tplh(E-A) I002 tphl(E-A)
I003 tplh(Ax) Differenz der Propagation Delay |A1 A2|, |A3 A4|, |A5 A6| I004 tphl(Ax) Differenz der Propagation Delay |A1 A2|, |A3 A4|, |A5 A6| I005 tplh(ENA) Propagation Delay ENA Ax I006 tplh(ENA) Propagation Delay ENA Ax I007 tphl(ENA) Propagation Delay ENA Ax I008 tphl(ENA) Propagation Delay ENA Ax
I009 tphl(DIFF) Propagation Delay DIFF A2, A4, A6 E1, E3, E5 = hi, Cl() = 100 pF I010 tplh(DIFF) Propagation Delay DIFF A2, A4, A6 E1, E3, E5 = lo, Cl() = 100 pF I011 tplh(TNER) Propagation Delay TNER NER I012 tpoff(VBx) Rl(VB, NER) = 5 k, Cl() = 100 pF
V
2.4V 2.0V
Input/Output
0.8V 0.45V t 1 0
Figure 1: Reference levels for delays
IC-HX
preliminary
Rev A1, Page 7/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
DESCRIPTION Line drivers for control engineering couple TTL- or CMOS-compatible digital signals with 24 V systems via cables. The maximum permissible signal frequency is dependent on the capacitive load of the outputs (cable length) or, more specifically, the power dissipation in IC-HX resulting from this. To avoid possible short circuiting the drivers are current-limited and shutdown with excessive temperature. When the output is open the maximum output voltage corresponds to supply voltage VB (with the exception of any saturation voltages). Figure 2 gives the typical DC output characteristic of a driver as a function of the load. The differential output resistance is typically 75 over a wide voltage range.
40 36 32 28 24
vented by an integrated impedance network, as shown in Figure 3.
T IC-HX Eingang
IC-HX Ausgang
SPS Eingang (100 m Leitung)
vert. 8 V/div
hor. 2 s/div
Figure 3: Reflections caused by a mismatched line termination During a pulse transmission the amplitude at the iCoutput initially only increases to half the value of supply voltage VB as the internal driver resistance and characteristic line impedance form a voltage divider. A wave with this amplitude is coupled into the line and experiences after a delay a total reflection at the highimpedance end of the line. At this position, the reflected wave superimposes with the transmitted wave and generates a signal with the double wave amplitude at the receiving device.
T IC-HX Eingang
VB = 40 V
VE = hi
VA V ( )[ ]
20 16 12
VB = 24 V
8 4 0 0 100 200 300 400 500
180 ns vert. 8V/div hor. 500 ns/div 760 ns IC-HX Ausgang
SPS Eingang (100 m Leitung)
- I(A) [mA]
Figure 4: Pulse transmission and transit times Figure 2: Load dependence of the output voltage (High-side stage) Each open-circuited input is set to low by an internal pull-down current source; an additional connection to GND increases the device's immunity to interference. The inputs are TTL- and CMOS-compatible. Due to their high input voltage range, the inputs can also be set to high-level by applying VCC or VB. LINE EFFECTS In PLC systems data transmission using 24 V signals usually occurs without a matched line termination. A mismatched line termination generates reflections which travel back and forth if there is also no line adaptation on the driver side of the device. With rapid pulse trains transmission is disrupted. In IC-HX, however, further reflection of back travelling signals is preAfter a further delay, the reflected wave also increases the driver output to the full voltage swing. IC-HX's integrated impedance adapter prevents any further reflection and the achieved voltage is maintained along and at the termination of the line. A mismatch between IC-HX and the transmission line influences the level of the signal wave first coupled into the line, resulting in reflections at the beginning of the line. The output signal may then have a number of graduations. Voltage peaks beyond VB or below GND are capped by integrated diodes. By this way, transmisssion lines with a characteristic impedance of between 30 and 140 thus permit correct operation of the device. iC-xSwitch
IC-HX
preliminary
Rev A1, Page 8/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
Power dissipation in the driver occurs with each switching edge when over the double signal run time the internal resistor forms a voltage divider with the characteristic line impedance and is proportional to the length of the connected line and the switching frequency. If the internal resistor is perfectly matched to the characteristic line impedance, the voltage divider generates half the supply voltage at the line input, only supplying the full voltage when an echo occurs. IC-HX exploits this behavior of the open line in order to reduce the power dissipation in the driver. A switch is triggered by applying the halved low-impedance supply voltage, buffered with capacitors, to the line input and terminated by applying the internal resistor shortly before the echo occurs. Power dissipation occurs regardless of the length of the connected line in the time between the application of the resistor to the line and the beginning of the echo. In order to control this process IC-HX must recognize the length of the connected line. The line is measured using an integrated procedure which evaluates the line echo. This principle of power dissipation reduction only functions when a single wave travels along the line. The maximum transmission frequency with a reduced power dissipation is directly proportional to the line length. If the transmission frequency is too high for the line length, iC-xSwitch is no longer used, resulting in increased power dissipation in the driver. The required halved supply voltage is generated internally in the chip and must be buffered by capacitors. On a rising edge current flows from the capacitor into the line and back into the capacitor on a falling edge. With the differential operation of two lines the currents flow from one line to the other and back again. Figure 5 shows the three switches, the integrated resistor to match the characteristic line impedance and the connected line. VB is the positive power supply and VB/2 is the half of it. The control of the switches depends on the input signals of the device and the length of the connected line. With all enable-signals at lo-level the output A is high impedance (tristate).
VB
at the beginning (A) and end (B) of the line at intervals t1 to t8. Figure 6 shows operation without iC-Xswitch. Power dissipation PD (HX) occurs at intervals t1 to t4 and t5 to t8. Figure 7 describes operation with iCxSwitch; power dissipation PD (HX) occurs between t3 and t4 and t7 and t8. The mean power dissipation is significant for the warming of the device, which is proportional to the duty cycle. This results in a reduced power dissipation (at the same frequency), meaning there is less power dissipation with a shorter line or through the use of iC-xSwitch with a long line, for example.
V(E)
V(A)
V(B) ENHi ENLo ENxS
PD(HX) Time
t1 t2 t4 t5 t6 t8
Figure 6: Power dissipation PD (HX) without iCxSwitch
V(E)
V(A)
V(B) ENHi ENLo
ENHi
HiSwitch Line
ENxS
PD(HX)
ENLo LoSwitch ENxS xSwitch
Time
t1 t2 t3 t4
t5 t6 t7 t8
VB/2
Figure 7: Power dissipation PD (HX) with iC-xSwitch
Figure 5: Circuit diagram with switches and line Figures 6 and 7 show the input signal V(E), the switch trigger signals derived from this and the voltage curve An example for the power dissipation is given in figure 8. When xSwitch is not used by setting NXS to high, the IC-HX behaves like the iC-DL.
IC-HX
preliminary
Rev A1, Page 9/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
P [W]
7 6 5 4 3 2 1 0 0
Power dissipation vs. frequency
VB = 24 V, four channels with 100 m non-terminated lines NXS = low
NXS = high
Power reduction
100
200
f [kHz]
300
Figure 8: Power dissipation xSwitch-Mode DEMO BOARD
with
and
without
IC-HX is in a QFN28 package and comes with a demo board for test purposes. Figures 9 to 10 shows the
wiring and the top of the demo board.
Figure 9: Demo-Board ,top view
IC-HX
preliminary
Rev A1, Page 10/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
Figure 10: Circuit diagram of the demo board
iC-Haus expressly reserves the right to change its products and/or specifications. An info letter gives details as to any amendments and additions made to the relevant current specifications on our internet website www.ichaus.de; this letter is generated automatically and shall be sent to registered users by email. Copying - even as an excerpt - is only permitted with iC-Haus approval in writing and precise reference to source. iC-Haus does not warrant the accuracy, completeness or timeliness of the specification on this site and does not assume liability for any errors or omissions in the materials. The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of merchantability, fitness for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which information refers and no guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or areas of applications of the product. iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade mark rights of a third party resulting from processing or handling of the product and/or any other use of the product. As a general rule our developments, IPs, principle circuitry and range of Integrated Circuits are suitable and specifically designed for appropriate use in technical applications, such as in devices, systems and any kind of technical equipment, in so far as they do not infringe existing patent rights. In principle the range of use is limitless in a technical sense and refers to the products listed in the inventory of goods compiled for the 2008 and following export trade statistics issued annually by the Bureau of Statistics in Wiesbaden, for example, or to any product in the product catalogue published for the 2007 and following exhibitions in Hanover (Hannover-Messe). We understand suitable application of our published designs to be state-of-the-art technology which can no longer be classed as inventive under the stipulations of patent law. Our explicit application notes are to be treated only as mere examples of the many possible and extremely advantageous uses our products can be put to.
IC-HX
preliminary
Rev A1, Page 11/11
3-CHANNEL DIFFERENTIAL COLD LINE DRIVER
ORDERING INFORMATION
Type IC-HX IC-HX Evaluation Board
Package QFN28 5 x 5 mm
Order Designation IC-HX QFN28 IC-HX EVAL HX2D
For technical support, information about prices and terms of delivery please contact: iC-Haus GmbH Am Kuemmerling 18 D-55294 Bodenheim GERMANY Tel.: +49 (61 35) 92 92-0 Fax: +49 (61 35) 92 92-192 Web: http://www.ichaus.com E-Mail: sales@ichaus.com
Appointed local distributors: http://www.ichaus.de/support_distributors.php

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