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| Functional Block Diagram SA IN1 SB IN2 SC IN3 SD IN4 DD DC DB DA 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control Product Features: High-performance, low-cost solution to switch between video sources Wide bandwidth: 250 MHz Low ON-resistance: 3ohm Low crosstalk at 10 MHz: 58 dB Ultra-low quiescent power (0.1 A typical) Single supply operation: +5.0V Fast switching: 10 ns High-current output: 100 mA Packages available: 16-pin150-mil wide plasticQSOP (Q) 16-pin 150-mil wide plastic SOIC (W) Functionally equivalent to QS4A101 Product Description: Pericom Semiconductors PI5V series of mixed signal video circuits are produced in the Companys advanced CMOS low-power technology, achieving industry leading performance. The PI5V332 is a true bidirectional Quad Video Switch that is recommended for RGB, S-Video, or composite video switching applications. The individual controls allow for video, Hsync, or Vsync enable or disable. 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 PI5V332 offers a high-performance, low-cost solution to switch between video sources. Truth Table IN 1 0 X X X 1 IN 2 X 0 X X 1 IN 3 X X 0 X 1 IN 4 X X X 0 1 Function SA- DA SB- DB SC- DC SD- DD All Disconnect 16-Pin Product Configuration NIC IN1 SA DA IN2 SB DB GND 1 2 3 4 5 6 7 8 16-Pin 16 15 14 13 12 11 10 9 VCC IN4 SD DD IN3 SC DC NIC Product Pin Description Pin N ame SA, SB, SC, SD IN 1, IN 2, IN 3, IN 4 DA, DB, DC, DD GN D VCC D e s cription Analog Video I/O (Usually Inputs) Select Inputs Analog Video I/O (Usually O utputs) Ground Power 1 PS8118 08/07/97 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control 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 operation of the device at these or any other condiSupply Voltage to Ground Potential (Outputs & D/O Only) 0.5V to +7.0V tions above those indicated in the operational secDC Input Voltage ................................................................... 0.5V to +7.0V tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended DC Output Current .............................................................................. 120 mA periods may affect reliability. Power Dissipation ................................................................................... 0.5W 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 RL = 75, ION = 13 mA (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 VCC = MIN., VOUT = 1.95V RL = 75, 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. 2 PS8118 08/07/97 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control 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. 250 Typ. 2.5 1.1 58 0.64 0.27 38 Max. 5 5 6 6 20 Unit ns ns MHz dB % Deg. pF pF pF dB tON tOFF BW DG DP CIN COFF(1) CON(1) OIRR (1) XTALK 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. 3 PS8118 08/07/97 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control 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). 4 PS8118 08/07/97 Test Circuits 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control DC HP4195A S1 R1 T2 0.1 F HP41952A HP41800A 0.1 F PI5V332 150 HP11667A Figure 1. Differential Gain/Phase +5.0V Vcc 3V IN PI5V332 GND S D 75 20 pF VOUT DIGITAL INPUT ANALOG OUTPUT tON 50% 50% 90% 90% tOFF Figure 2. Switching Time 5 PS8118 08/07/97 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 PI5V332 Low ON Resistance Wideband/Video Quad with Individual Control DC HP4195A S1 R1 T2 0.1 F HP41952A HP41800A 0.1 F PI5V332 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 6 PS8118 08/07/97 |
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