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PI5A4684
Chip Scale Packaging, Dual SPDT Analog Switch
Features
* * * * * * * * * * * CMOS Technology for Bus and Analog Applications Low On-Resistance: 0.5. Wide VCC Range: 1.65V to 5.5V Rail-to-Rail Signal Range Control Input Overvoltage Tolerance: 5.5V min. High Off Isolation: -42dB Crosstalk Rejection Reduces Signal Distortion: -70dB Low THD (0.05% @ VCC = 2.7V) Break-Before-Make Switching Extended Industrial Temperature Range: -40C to 85C Packaging (Pb-free & Green): - 10-ball Chip Scale Packaging (CSP)
Description
Pericom Semiconductor's PI5A4684 is a dual high-bandwidth, fast single-pole double throw (SPDT) CMOS switch. It can be used as an analog switch or as a low-delay bus switch. Specified over a wide operating power supply voltage, 1.65V to 5.5V, the PI5A4684 has a maximum On-Resistance of 0.5 at +2.7V. Break-before-make switching prevents both switches being enabled simultaneously. This eliminates signal disruption during switching. The control input, INX, tolerates input drive signals up to 6.0V, independent of supply voltage.
Pin Configuration/ Block Diagram (top view) CSP
GND NC1 C1
Applications
* * * * * * * * * * * Cell Phones PDAs MP3 players Portable Instrumentation Computer Peripherals Speaker Headset Switching Power Routing Relay Replacement Audio and Video Signal Routing PCMCIA Cards Modems
B1
A1 1C
NC2
IN1
C2
A2 2C
IN2
COM1
C3
A3
COM2
NO1
C4
B4
VCC
A4
NO2
Pin Description
Pin # CSP A4, C4 B1 A1, C1 A3, C3 B4 A2, C2 Name NOX GND NCX COMX VCC INX Description Data Port (Normally open) Ground Data Port (Normally closed) Common Output / Data Port Postive Power Supply Logic Control
1
Logic Function Table
Logic Input (INX) 0 1
Note: 1. x = 1, or 2
Function NCX Connected to COMX NOX Connected to COMX
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
Absolute Maximum Ratings(1)
Supply Voltage VCC ............................................ -0.5V to +7V DC Switch Voltage (VS)(2) ........................ -0.5V to VCC +0.5V DC Input Voltage (VIN)(2) ................................ -0.5V to +7.0V Continuous Current NO_NC_COM_ .............................. 500mA Peak Current NO_NC_COM_ (pulsed at 1ms 50% duty cycle) ............................... 650mA Peak Current NO_NC_COM_ (pulsed at 1ms 10% duty cycle) ............................... 800mA Storage Temperature Range (TSTG) .............. -65C to +150C Junction Temperature under Bias (TJ) .............................150C Junction Lead Temperature (TL) (Soldering, 10 seconds) ................................................260C Power Dissipation (PD) @ +85C .................................. 250mW
Recommended Operating Conditions(3)
Supply Voltage Operating (VCC) . . . . . . . . . . . . 1.65V to 5.5V Control Input Voltage (VIN) . . . . . . . . . . . . . . . . . . . 0V to VCC Switch Input Voltage (VIN) . . . . . . . . . . . . . . . . . . . . 0V to VCC Output Voltage (VOUT) . . . . . . . . . . . . . . . . . . . . . . . 0V to VCC Operating Temperature (TA) . . . . . . . . . . . . . . . -40C to +85C Input Rise and Fall Time (tr,tf) Control Input VCC = 2.3V - 3.6V. . . . . . . . . 0ns/V to 10ns/V Control Input VCC = 4.5V - 5.5V. . . . . . . . . . 0ns/V to 5ns/V Thermal Resistance (JA) . . . . . . . . . . . . . . . . . . . . . . 350C/W Lead Temperature (soldering 10s) . . . . . . . . . . . . . . . . . +300C Bump Temperature (soldering notes) Infared (15s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220C Vapor Phase (60ns) . . . . . . . . . . . . . . . . . . . . . . . . . . +215C
Notes: 1. "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. 2. The input and output negative voltage ratings may be exceeded if the inut and output diode current ratings are observed. 3. Control input must be held HIGH or LOW; it must not float.
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
DC Electrical Characteristics +3V Supply
Parameter Analog Switch Analog Signal Range NC On-Resistance NO On-Resistance VNO , VNC , VCOM RON(NC) RON(NO) Symbol
(VCC = 2.7V to 3.3V, TA = -40 C to + 85 C, unless otherwise noted. Typical values are at 3V and +25C.) Test Conditions Min. Typ. Max. Units
0 VCC = 2.7V, ICOM = 100mA, VNC = 0 to VCC VCC = 2.7V, ICOM = 100mA, VNC = 0 to VCC VCC = 2.7V, ICOM = 100mA, VNO or VNC = 1.5V VCC = 2.7V, ICOM = 100mA, VNC = 0 to VCC VCC = 2.7V, ICOM = 100mA, VNO = 0 to VCC VCC = 3.3V, VNO or VNC = 3V, 0.3V, VCOM = 0.3V, 3V VCC = 3.3V, VNO or VNC = 3V, 0.3V, VCOM = 0.3V, 3V, or floating -80 -160 0.5 0.4 0.01
VCC 0.6 0.5 0.06 0.25 0.15 80
V
On-Resistance Match RON Between Channels NC On-Resistance Flatness NO On-Resistance Flatness NO or NC Off Leakage Current COM On Leakage Current Digital I/O Input Logic High Input Logic Low Input Hysteresis IN Input Leakage Current Power Supply Power-Supply Range Supply Current VCC ICC VIH VIL VH IIN RONF(NC) RONF(NO) IOFF (NO) or IOFF (NC) ICOM (ON)
nA 160
1.3 0.6 VCC = 3.3V VIN = 0 or VCC -1 200 1
V mV A
1.65 VCC = 5.5V, VIN = 0 or VCC
5.5 200
V nA
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
Switch and AC Characteristics
(Vcc = 2.7V to 3.3V, Ta = -40 C to +85 C, unless otherwise noted. Typical values are at 3V and +25C Parameter Turn-On Time Symbol tON Test Conditions VCC = 2.7V, VNO or VNC = 1.5V, RL = 50, CL = 35pF, See Test Circuit Figure 1 & 2. VCC = 2.7V, VNO or VNC = 1.5V, RL = 50, CL = 35pF, See Test Circuit Figure 1 & 2. VCC = 2.7V, VNO or VNC = 1.5V, RL = 50, CL = 35pF, See Test Circuit Figure 3. COM = 0, RS = 0, CL = 1nF, See Test Circuit Figure 4. CL = 5pF, RL = 50, f = 100kHz, VCOM = 1 VRMS, , See Test Circuit Figure 5. CL = 5pF, RL = 50, f = 100kHz, VCOM = 1 VRMS, See Test Circuit Figure 6. See Test Circuit Figure 9. RL = 32, VIN = 3.5V, VCC = 4.5V f = 20Hz to 20kHz Total Harmonic Distortion THD RL = 32, VIN = 2.0V, VCC = 3.4V f = 20Hz to 20kHz RL = 32, VIN = 1.5V, VCC = 2.7V f = 20Hz to 20kHz Min. Typ. 25 Max. 60 Units
Turn-Off Time Break-Before-Make Delay Charge Injection Off-Isolation
tOFF
7
20
ns
tBBM Q OIRR
25 54 -42 dB -70 27 0.07 0.06 0.05 % MHz pC
Crosstalk 3dB Bandwidth
XTALK f3dB
Capacitance
Parameter NC Off Capacitance NO Off Capacitance NC On Capacitance NO On Capacitance Symbol CNC (OFF) CNO (OFF) CNC (ON) CNO (ON) Test Conditions f = 1MHz, See Test Circuit Figure 7. f = 1MHz, See Test Circuit Figure 7. f = 1MHz, See Test Circuit Figure 8. f = 1MHz, See Test Circuit Figure 8. Min. Typ. 84 65 240 225 pF Max. Units
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
Test Circuits and Timing Diagrams
VCC VCC COM RL IN LOGIC INPUT GND CL
VN
NC or NO
VOUT
50
35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Notes: 1. Unused input (NC or NO) must be grounded.
Figure 1. AC Test Circuit
Logic Input
VIH VIL Off 50% On VOUT Off tOFF 90% tON Logic Input Waveforms inverted for Switches that have opposite logic * 1.5V for 3.3V Supply 90%
tr < 5ns tf < 5ns
Switch Output 0V
Figure 2. AC Waveforms
VIN
NC NO
COM RL CL
VOUT
50 35pF
Logic Input V OUT
50%
IN Logic Input
0.9 x V OUT t BBM
Figure 3. Break Before Make Interval Timing
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
RGEN
NC or NO
COM CL 1nF
VOUT
Logic Input
OFF
ON
OFF
VGEN
IN Logic Input Q = (V OUT )(CL )
V OUT
Figure 4. Charge Injection Test
VCC 10nF
10nF VCC
50
Signal Generator
COM
VCC Logic Input 0V or VIH
50
IN
or NC
Signal Generator
NC NO
VCC
COM 50
NO
Analyzer
GND
Analyzer
GND
IN
CL 5pF
RL
50
CL 5pF
RL
50
Figure 5. Off Isolation
VCC 10nF
Figure 6. Crosstalk
VCC 10nF
COM Capacitance Meter f = 1 MHz NO
or NC
VCC Logic Input 0V or VIH
Capacitance Meter f = 1 MHz
IN
COM
VCC Logic Input 0V or VIH
IN NO
or NC
GND
GND
Figure 7. Channel Off Capacitance
Figure 8. Channel On Capacitance
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch
VCC 10nF
50
Signal Generator
Logic Input 0V or VIH
NC or NO IN
VCC
COM
ANALYZER
50
GND
Figure 9. Bandwidth
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PS8792B
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PI5A4684 Chip Scale Packaging, Dual SPDT Analog Switch

DATE: 11/01/05 DESCRIPTION: 10-contact CSP (Chip Scale Packaging) without backside coating PACKAGE CODE: GA (GA10) DOCUMENT CONTROL #: PD-2048 REVISION: - -
Ordering Information
Ordering Code PI5A4684GAE Packaging Code GA Package Type Pb-free & Green, 10-ball CSP
Notes: * Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ * E = Pb-free and Green * Adding an X suffix = Tape & Reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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PS8792B
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