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| DG271MIL Vishay Siliconix High-Speed Quad Monolithic SPST CMOS Analog Switch FEATURES D D D D D Fast Switching tON: 55 ns Low Charge Injection: 5 pC Low rDS(on): 32 W TTL/CMOS Compatible Low Leakage: 50 pA BENEFITS D Fast Settling Times D Reduced Switching Glitches D High Precision APPLICATIONS D D D D D D D D High-Speed Switching Sample/Hold Digital Filters Op Amp Gain Switching Flight Control Systems Automatic Test Equipment Choppers Communication Systems DESCRIPTION The DG271 high speed quad single-pole single-throw analog switch is intended for applications that require low on-resistance, low leakage currents, and fast switching speeds. The military version of the DG271 is manufactured using the Vishay Siliconix high voltage metal gate wafer fabrication process. The military version of the DG271 shares the same performance of the commercial DG271B, which uses the high voltage silicon gate process. FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION CerDIP D1 IN1 D1 S1 V- GND S4 D4 IN4 1 2 3 4 5 6 7 8 Top View 16 15 14 13 12 11 10 9 IN2 D2 S2 V+ NC NC GND S3 S4 D3 IN3 9 D4 10 Key 3 S1 V- 4 5 6 7 8 2 Ceramic LCC IN1 NC 1 IN2 20 D2 19 18 17 16 15 14 S2 V+ NC NC S3 11 12 13 D3 IN4 NC IN3 Top View TRUTH TABLE Logic 0 1 Logic "0" v 0.8 V 0 Logic "1" w 2.4 V Document Number: 70043 S-63984--Rev. G, 23-Aug-99 www.vishay.com S FaxBack 408-970-5600 Switch ON OFF 4-1 DG271MIL Vishay Siliconix ORDERING INFORMATION Temp Range Package 16-Pin CerDIP 16 Pi C DIP -55 to 125 C 55 125_C LCC-20 Part Number DG271AK DG271AK/883 5962-8671602MEA DG271AZ/883 5962-8671602M2A ABSOLUTE MAXIMUM RATINGS V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 V GND to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Digital Inputsa VS, VD . . . . . . . . . . . . . . . . . . . . . . . . (V-) -2 V to (V+) +2 V or 20 mA, whichever occurs first Current, Any Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Peak Current, S or D (Pulsed at 1 ms, 10% duty cycle max) . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA Storage Temperature (AK and AZ Suffix) . . . . . . . . . . . . . . . . . . -65 to 150_C Power Dissipation (Package)b 16-Pin CerDIPc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW LCC-20d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 mW Notes: a. Signals on SX, DX, or INX exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads welded or soldered to PC Board. c. Derate 12 mW/_C above 75_C d. Derate 10 mW/_C above 75_C SCHEMATIC DIAGRAM (TYPICAL CHANNEL) V+ 5V Reg Level Shift/ Drive INX V- V+ SX DX GND V- FIGURE 1. www.vishay.com S FaxBack 408-970-5600 4-2 Document Number: 70043 S-63984--Rev. G, 23-Aug-99 DG271MIL Vishay Siliconix SPECIFICATIONSa Test Conditions Unless Specified Parameter Analog Switch Analog Signal Rangee Drain-Source On-Resistance VANALOG rDS(on) IS(off) Switch Off Leakage Current ID(off) Channel On Leakage Current ID(on) + IS(on) VS = VD = "14 V VD = "14 V, VS = #14 V IS = 1 mA, VD = "10 V Full Room Full Room Full Room Full Room Full -1 -60 -1 -60 -1 -60 -15 32 "0.05 "0.05 "0.05 15 50 75 1 60 1 60 1 60 nA A V W A Suffix -55 to 125_C Symbol V+ = 15 V, V- = -15 V VIN = 2.4 V, 0.8 Vf Tempb Mind Typc Maxd Unit Digital Control Input Current with Voltage High Input Current with Voltage Low IINH IINL VIN = 2 V VIN = 15 V VIN = 0 V Full Full Full -1 -1 -1 0.010 0.010 0.010 1 1 1 mA A Dynamic Characteristics Turn-On Time Turn-Off Time tON tOFF CL = 1 nF, VS = 0 V Vgen = 0 V, Rgen = 0 W See Figure 3 VS = 0 V, VIN = 5 V , f = 1 MHz MH VD = VS = 0 V, VIN = 0 V CL = 10 pF, RL = 1 kW f = 100 kHz See Figures 4 and 5 VS = "10 V See Figure 3 S Fi Room Full Room Full Room Room Room Room Room Room 55 50 65 80 ns 65 80 pC Charge Injection Source Off Capacitance Drain Off Capacitance Channel On Capacitance Off Isolation Crosstalk Q CS(off) CD(off) CD(on) OIRR XTALK -5 8 8 30 85 pF F dB 100 Supply Positive Supply Current Negative Supply Current I+ I- All Channels On or Off VIN = 5 V or 0 V Room Full Room Full -6 -8 5.5 -3.4 7.5 9 mA Notes: a. Refer to PROCESS OPTION FLOWCHART. b. Room = 25_C, Full = as determined by the operating temperature suffix. c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. d. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function. Document Number: 70043 S-63984--Rev. G, 23-Aug-99 www.vishay.com S FaxBack 408-970-5600 4-3 DG271MIL Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) rDS(on) vs. VD and Power Supply Voltages 70 r DS(on) Drain-Source On-Resistance (W ) - r DS(on) Drain-Source On-Resistance ( ) - W 60 50 40 "10 V 30 20 "20 V 10 0 -20 -16 -12 -8 -4 0 4 8 12 16 20 VD - Drain Voltage (V) "15 V 50 V+ = 15 V V- = -15 V 40 125_C 30 85_C 25_C 20 0_C -55_C 10 rDS(on) vs. VD and Temperature "5 V 0 -15 -10 -5 0 5 10 15 VD - Drain Voltage (V) Input Switching Threshold vs. Supply Voltage 2.5 10 nA Leakage Currents vs. Temperature ID(on) 2 1 nA V IN ( V ) Leakage 1.5 1 IS(off), ID(off) 100 pA 0.5 0 "4 "6 "8 "10 "12 "14 "16 "18 "20 Positive/Negative Supplies (V) 10 pA -55 -35 -15 5 25 45 65 85 105 125 Temperature (_C) Switching Times vs. Temperature 55 V+ = 15 V V- = -15 V 50 Switching Time (ns) Switching Time (ns) tON 50 55 Switching Time vs. Power Supply Voltage 45 45 40 tOFF 40 tON 35 35 tOFF 30 -55 30 -25 0 25 50 75 100 125 "4 "6 "8 "10 "12 "14 "16 "18 "20 Temperature (_C) Supply Voltage (V) www.vishay.com S FaxBack 408-970-5600 4-4 Document Number: 70043 S-63984--Rev. G, 23-Aug-99 DG271MIL Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Switching Times vs. Temperature 90 V+ = 15 V V- = -15 V 180 160 140 70 t(on) Switching Time (ns) 120 100 80 60 40 "4 Switching Times vs. Power Supply Voltage 80 Switching Time (ns) 60 t(on) 50 t(off) 40 t(off) 30 -55 -35 -15 5 25 45 65 85 105 125 "6 "8 "10 "12 "14 "16 "18 "20 Temperature (_C) V+ - Positive Supply (V) TEST CIRCUITS +15 V Logic Input 5V 50% 0V tOFF VS VO VO tON 90% tr <20 ns tf <20 ns V+ 10 V S IN 5V GND V- RL 1 kW CL 35 pF D VO Switch Input Switch Output CL (includes fixture and stray capacitance) -15 V VO = VS RL RL + rDS(on) FIGURE 2. Switching Time Document Number: 70043 S-63984--Rev. G, 23-Aug-99 www.vishay.com S FaxBack 408-970-5600 4-5 |
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