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PI5V331 Low ON Resistance Wideband Video Dual 4-Channel Mux/Demux
PI5V331
Low ON Resistance Wideband/Video Dual 4-Channel Mux/Demux
Product Features
High-performance, low-cost solution to switch between video sources Wide bandwidth: 150 MHz Low ON-resistance: 3ohm Low crosstalk at 10 MHz: 58dB Ultra-low quiescent power (0.1A typical) Single supply operation: +5.0V Fast switching: 10ns High-current output: 100mA Packages available: 16-pin 150-mil-wide plastic QSOP (Q) 16-pin 150-mil-wide plastic SOIC (W) Functionally equivalent to QS4A210
Product Description
Pericom Semiconductors PI5V series of mixed signal video circuits are produced using the Companys advanced CMOS low power technology achieving industry leading performance. The PI5V331 is a true bidirectional Dual 4-channel multiplexer/ demultiplexer that is recommended for both S-Video or composite video switching applications. The VideoSwitch can be driven from a current output RAMDAC or voltage output composite video source. Low ON-resistance and wide bandwidth make it ideal for video and other applications. Also this device has exceptionally high current capability which is far greater than most analog switches offered today. A single 5V supply is all that is required for operation. The PI5V331 offers a high-performance, low-cost solution to switch between video sources.
Truth Table
EN A 1 X 0 0 0 0 EN B X 1 0 0 0 0 IN 1 X X 0 0 1 1 IN 0 X X 0 1 0 1 ON SWITCH Disable A Disable B S1A- DA, S1B- DB S2A- DA, S2B- DB S3A- DA, S3B- DB S4A- DA, S4B- DB
16-Pin Product Configuration
ENA IN1 S4A S3A S2A S1A DA GND
1 2 3 4 5 6 7 8
16-Pin
16 15 14 13 12 11 10 9
VCC ENB IN0 S4B S3B S2B S1B DB
Functional Block Diagram
S1A S2A S3A S4A S1B S2B S3B S4B DB DA
Product Pin Description
Pin Name S1A, S2A S3A, S4A S1B, S2B S3B, S4B S0, S1 ENA, ENB DA, DB GND VCC
DECODER
Description Analog Video I/O (Usually Inputs) Select Input Enable Analog Video I/O (Usually Outputs) Ground Power
ENA
ENB
IN1
IN0
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PI5V331 Low ON Resistance Wideband Video Dual 4-Channel Mux/Demux
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ........................................................... 65C to +150C Note: Stresses greater than those listed under MAXIMUM Ambient Temperature with Power Applied .......................... 40C to +85C RATINGS may cause permanent damage to the deSupply Voltage to Ground Potential (Inputs & Vcc Only) ... 0.5V to +7.0V vice. This is a stress rating only and functional operaSupply Voltage to Ground Potential (Outputs & D/O Only) 0.5V to +7.0V tion of the device at these or any other conditions above those indicated in the operational sections of DC Input Voltage .................................................................. 0.5V to +7.0V this specification is not implied. Exposure to absolute DC Output Current ............................................................................ 120 mA maximum rating conditions for extended periods may Power Dissipation ................................................................................... 0.5W affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = 40C to +85C, VCC = 5V 5%)
Parameters Description VANALOG Analog Signal Range VIH VIL IIH IIL IO VIK IOS VH RON Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Analog Output Leakage Current Clamp Diode Voltage Short Circuit Current(3) Input Hysteresis at Control Pins Switch On Resistance
(4)
Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 S1, S2 or D VCC, Switch Off VCC = Min., IIN = 18 mA S1, S2, D = 0V VCC VCC = Min., VOUT = 0.975V RL = 75ohm, ION = 13 mA VCC = MIN., VOUT = 1.95V RL = 75ohm, ION = 26 mA
Min. 0 2.0 0.5 100
Typ(2) 0.7 150 3 7
Max. 2.0 0.8 1 1 1 1.2 7 10
Units V V V A A A V mA m V ohm ohm
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 5.0V, TA = 25C ambient and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. Measured by the voltage drop between S1, S2, and D I/O pins at indicated current through the switch. ON resistance is determined by the lower of the voltages on the S1, S2, and D I/O pins. VOUT is the voltage across RL.
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PI5V331 Low ON Resistance Wideband Video Dual 4-Channel Mux/Demux
Dynamic Characteristics (Over the Operating Range, TA = 40C to +85C, VCC = 5V 5%)
Parameter Description Turn On Time Turn Off Time 3 dB Bandwidth Crosstalk Differential Gain Differential Phase
(1)
Test Conditions RL = 75ohm, CL = 20 pF, see Fig. 2 RL = 75ohm, CL = 20 pF, see Fig. 2 RL = 150ohm, see Fig. 3 RIN = 10ohm; RL = 150ohm, 10 MHz, see Fig. 3 RL = 150ohm, f = 3.58 MHz, see Fig. 1 RL = 150ohm, f = 3.58 MHz, see Fig. 1 VIN = 0V, f = 1 MHz VIN = 0V, f = 1 MHz VIN = 0V, f = 1 MHz RL = 150ohm, 10 MHz, see Fig. 3
Min. 150
Typ. 2.5 1.1 58 0.64 0.27 38
Max. 5 5 6 6 20
Units ns ns MHz dB % Deg. pF pF pF dB
tON tOFF
BW(1) XTALK DG DP CIN COFF(1) CON(1) OIRR
Input/Enable Capacitance Capacitance, Switch Off Capacitance, Switch On Off Isolation
Notes: 1. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters Description ICC ICC ICCD Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) Test Conditions(1) VCC = Max. VCC = Max. VCC = Max., S1, S2, and D Pins Open EN = GND Control Input Toggling 50% Duty Cycle IN = GND or VCC IN = 3.4V(3) Min. Typ(2) 0.1 Max. 3.0 2.5 0.25 Units A mA mA/ MHz
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 5.0V, +25C ambient. 3. Per TTL driven input (VIN = 3.4V, control inputs only); S1, S2, and D pins do not contribute to Icc. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The S1, S2, and D I/O pins generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
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PI5V331 Low ON Resistance Wideband Video Dual 4-Channel Mux/Demux
Definitions:
Symbol RON IO VIN VEN CIN COFF CON VIH VIL IIH (IIL) IOS tON tOFF BW XTALK DG DP OIRR Description Resistance between source and drain with switch in the ON state. Output leakage current measured at S1, S2, and D with the switch OFF. Digital voltage at the IN pin that selects between S1 and S2 analog inputs. A voltage that ENABLES the chip. Capacitance at the digital inputs. Capacitance at analog I/O (S1, S2, D) with switch OFF. Capacitance at analog I/O (S1, S2, D) with switch ON. Minimum input voltage for logic HIGH. Minimum input voltage for logic LOW. Input current of the digital input. Minimum short circuit current for S1, S2 and D. Propagation delay measured between 50% of the digital input to 90% of the analog output when switch is turned ON. The peak analog voltage is 0.714V. Propagation delay measured between 50% of the digital input to 90% of the analog output when switch is turned OFF. The peak analog voltage is 0.714V. Frequency response of the switch in the ON state measured at 3dB down. Is an unwanted signal coupled from channel to channel. Measured in dB. XTALK = 20 LOG VOUT/VIN. This is non-adjacent crosstalk. Differential gain is the difference measurement between two bias levels, for instance analog input signals of 0V to 0.714V. Differential phase is the difference measurement between two bias levels, for instance analog input signals of 0V to 0.714V. Off isolation is the resistance (measured in dB) between the input and output with the switch off (NO).
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Test Circuits
DC
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5V331 Low ON Resistance Wideband Video Dual 4-Channel Mux/Demux
HP4195A
S1 R1 T2
0.1 F
HP41952A
HP41800A
0.1 F PI5V331 150
HP11667A
Figure 1. Differential Gain/Phase
+5.0V
Vcc 3V IN PI5V331 GND EN S D 75 20 pF VOUT
DIGITAL INPUT ANALOG OUTPUT
tON
50%
50%
90%
90%
tOFF
Figure 2. Switching Time
DC
HP4195A
S1 R1 T2
0.1 F
HP41952A
HP41800A
0.1 F PI5V331 150
HP11667A
Figure 3. Gain/Phase, Crosstalk, Off-Isolation 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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PS8117 08/07/97

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