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PI5A317A/318A/319A
Precision Wide Bandwidth Analog Switches
Features * Single-Supply Operation (+2V to +6V) * Rail-to-Rail Analog Signal Dynamic Range * Low On-Resistance (6 typ with 5V supply)
Minimizes Distortion and Error Voltages
Description
The PI5A317A/381A/319A are analog switches designed for singlesupply operation. These high-precision device is ideal for lowdistortion audio, video, signal switching and routing. The PI5A317A is a single-pole single-throw (SPST), normally closed (NC) switch. The PI5A318A has the same pinout but is a single-pole, single-throw (SPST, normally open (NO) function. The PI5A319A is a single-pole, double-throw (SPDT) switch Each switch conducts current equally well in either direction when on. When off, they block voltages up toVCC. The PI5A317A/381A/319A are fully specified with +5V and +3.3V supplies. With +5V, theyt guarantee <10 on-resistance. On-resistance matching between channels is within 2. On-resistance flatness is less than 5 over the specified range. This switch family also guarantees fast switching speeds (tON < 20ns). These products are available in a 8-pin narrow body SOIC, and PDIP packages for operation over the industrial (-40oC to +85 oC) temperature range.
* On-Resistance Matching Channels, 0.8 typ * On-Resistance Flatness, 3 typ * Low Charge Injection Reduces Glitch Errors. Q = 4pC typ * Replaces Mechanical Relays * High Speed. tON= 10ns typ * Low Off-Isolation: -72dB@1MHz * Wide -3dB Bandwidth: 170 MHz * High-Current Channel Capability: >100mA * TTL/CMOS Logic Compatible * Low Power Consumption (0.5W typ) * Pin-compatible with DG41X, MAX31X Applications * Audio, Video Switching and Routing * Battery-Powered Communication Systems * Computer Peripherals * Telecommunications * Portable Instrumentation
Ordering Information
Part Numbe r PI5A317AP PI5A317AW PI5A318AP PI5A318AW PI5A319AP PI5A319AW Package 8- Pin PDIP Narrow Body SOIC- 8 8- Pin PDIP Narrow Body SOIC- 8 8- Pin PDIP Narrow Body SOIC- 8
Functional Diagram, Pin Configuration and Truth Table
COM 1 NIC 2 GND 3 Vcc 4 PI5A317A
IN 0 1 PI5A317A ON O FF
8 NC (NO, 318) 7 NIC 6 IN 5 NIC
PI5A318A O FF ON
COM 1 NC 2 GND 3 Vcc 4
8 NO 7 NIC 6 IN PI5A319A 5 NIC
IN 0 1
SW1 ON O FF
SW2 O FF ON
Switches shown for Logic 0 input NC = Normally Open, NO = Normally Closed, NIC = Not Internally Connected
For free samples and the latest data sheet visit: www.pericom.com, or phone 1 800-435-2336
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PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ...................................................................-65C to +150C Ambient Temperature with Power Applied .................................. -40C to +85C Supply Voltage to Ground Potential (Inputs & Vcc Only) ............. -0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) .......... -0.5V to +7.0V DC Input Voltage ...................................................................... -0.5V to Vcc+0.5V DC Output Current .................................................................................... 120 mA Power Dissipation ..........................................................................................0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Single 5.0V Supply DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 5V 10%, GND = 0V)
Parameters VANALOG RON RON RFLAT(ON) INO(OFF) INC(ON) ICOM(ON) IO VIH VIL IIH IIL ICC Description Analog Signal ON-Resistance Match Between Channels RON Flatness(4) Range(2) INC or NO = 10 mA to 30 mA (319A) ION = 1 mA, VNO, VNC = 0V to VCC VNO, VNC = 4.5V VNO, VNC = 4.5V VNO, VNC or VCOM = 0V to VCC Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND Vcc = 5.5V, Vin = 0V or Vcc Test Conditions(1) Min. 0 -- -- -- -80 -30 100 2.0 -0.5 -- -- -- Typ(2) -- 6 0.8 3 -- -- -- -- -- -- -- -- Max. 5 12 2 5 80 30 -- -- 0.8 1 1 1 Units V nA nA mA V V A A A
Off Leakage Current On Leakage Current Output Current Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Quiescent Supply Current
Dynamic Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 5V 10%, GND = 0V)
Parameters tON tOFF Q C(OFF) CCOM(ON/OFF) CCOM(OFF) OIRR BW D Description Turn-on Time Turn-off Time Charge Injection
(2)
Test Conditions(1) VCOM = 3.0V, see Figure 1 VCOM = 3.0V, see Figure 1 CL = 0.5 nF, VGen = 0V, see Figure 4 f = 1 kHz f = 1 kHz (319A) f = 1 kHz (317A, 318A) RL = 100 , f = 1 MHz, see Figure 2 RL = 100 (319), see Figure 3 RL = 100 (317, 318), see Figure 3 RL = 100
Min. -- -- -- -- -- -- -- -- -- --
Typ(2) 10 4 3 13 45 13 -72 106 200 4
Max. 20 10 5 -- -- -- -- -- -- --
Units ns ns pC pF pF pF dB MHz MHz %
NC or NO Capacitance COM On Capacitance COM Off Capacitance Off Isolation Bandwidth -3 dB Distortion RFLAT/RL
Notes: 1. For Max or Min. conditions, use appropriate value specified under Electrical Characteristics for applicable device type. 2. Guaranteed by design. 26
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PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
Single 3.3V Supply DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 3.3V 10%, GND = 0V)
Parame te rs VANALOG RON Ron( 3 ) RFLAT(ON) INO(OFF) INC(ON) ICOM(ON) IO VIH VIL IIH IIL ICC D e s cription Analog Signal Range O N- Resistance Match Between Channels RON Flatness O ff Leakage Current O n Leakage Current O utput Current Input HIGH Voltage Input LO W Voltage Input HIGH Current Input LO W Current Q uiescent Supply Current ION = 1 mA, VNO, VNC = 0V to VCC VNO, VNC = 3.0V VNO, VNC = 3.0V VNO, VNC or VCOM = 0V to VCC Guaranteed Logic HIGH Level Guaranteed Logic LO W Level VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = Max., VIN = 0V or VCC ION = 10 mA to 30 mA Te s t Conditions ( 1 ) M in. 0 80 80 80 2.0 0.5 Typ(2) 18 1 8.7 M ax. VCC 22 3 12.5 80 80 0.8 1 1 1 A nA mA V Units V
Dynamic Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 3.3V 10%, GND = 0V)
Parameters tON tOFF Q C(OFF) Description Turn-on Time Turn-off Time Charge Injection(2) NC or NO Capacitance Test Conditions(1) VCOM = 3.0V, see Figure 1 VCOM = 3.0V, see Figure 1 CL = 1.0 nF, VGen = 0V, see Figure 4 f = 1 kHz f = 1 kHz (319) f = 1 kHz (317, 318) RL = 100 , f = 1 MHz, see Figure 2 RL = 100 (319), see Figure 3 RL = 100 (317, 318), see Figure 3 RL = 100 Min. -- -- -- -- -- -- -- -- -- -- Typ(2) 28 4 3 15 50 15 72 90 200 4 Max. 40 20 5 -- -- -- -- -- -- -- Units ns ns pC pF pF pF dB MHz MHz %
CCOM(ON/OFF) COM On/Off Capacitance CCOM(OFF) OIRR BW D COM Off Capacitance Off Isolation Bandwidth -3 dB Distortion
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for applicable device type. 2. Guaranteed by design.
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Test Circuits
NC, NO 3V
IN
PI5A31X
COM
100W
15 pF
Figure 1. Switching Time
Figure 2. Off Isolation
VOUT
28
ANALOG OUTPUT DIGITAL INPUT tON 50% 90%
PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
50%
PS7059B
90%
tOFF
02/23/98
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Typical Operating Characteristics
Figure 3. Bandwidth
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PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
PS7059B
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Charge Injection (PC)
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PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
Vcc
PI5A100
NO,NC
0.01 0.01 F RGEN VGEN S IN CL
COM
NC
50
VO
1 nF 0.5 nF Polystyrene Polystyrene
PI5A31X
EIN IN GND
SELECT OFF ON OFF 3V
Freq = 100KHz DC = 50% VGEN = 0V RGEN = 0
VOUT
AVO
Figure 5. Charge Injection
VCC = +5V, 3.3V TA = 25C CL = 0.5 nF
20 15 10 5 0 0 1 2 3 4 5
5V 3.3V
Voltage In (Volts) Figure 6. Charge Injection vs Analog Voltage
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On-Resistance RON ()
3.3V
Insertion Loss BW (dB)
Off Isolation OIRR (dB)
-30 -40 -50 -60 -70 -80 -90 1M 10M 100M 1G
Crosstalk XTALK (dB)
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PI5A317A/318A/319A Precison Wide Bandwidth Analog Switches
RL = 100 TA = 25C
RIN = 1dBm RL = 100 TA = 25C
20
0
5V
15 -1
3.3V
-2
10
5
5V
-3
0 0 1 2 3 4 5
-4 1K 1M 10M 100M 1G
Input Voltage (V) Figure 7. On-Resistance vs. Input Voltage
Frequency (Hz) Figure 8. Insertion Loss vs. Frequency
PIN = 1dBm TA = 25C RL = 100
PIN = 1dBm TA = 25C RL = 100
0 -10 -20
0 -10 -20 -30 -40 -50 -60 -70 -80 1M 10M 100M 1G
3.3V, 5V
3.3V, 5V
Frequency (Hz) Figure 9. Off Isolation vs. Frequency
Frequency (Hz) Figure 10. Crosstalk vs Frequency
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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