DG508A_MIL/509A_MIL Vishay Siliconix Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers (Obsolete for non-hermetic. Use DG408/409 as pin-for-pin replacements.) Low On-Resistance: 240 TTL and CMOS Logic Compatible Low Power: 30 mW Break-Before-Make Switching 44-V Power Supply Rating Transition Time: 600 ns Easily Interfaced Low Power Consumption Low System Crosstalk Wide Analog Signal Range Communication Systems ATE Data Acquisition Systems Audio Signal Routing and Multiplexing Medical Instrumentation The DG508A_MIL, an 8-channel single-ended analog multiplexer, is designed to connect one of eight inputs to a common output as determined by a 3-bit binary address (A0, A1, A2). The DG509A_MIL, a dual 4-channel analog multiplexer, is designed to connect one of four differential inputs to a common output as determined by its 2-bit binary address (A0, A1) logic. Break-before-make switching action protects against momentary shorting of the input signals. A channel in the on state conducts current equally well in both directions. In the off state each channel blocks voltages up to the power supply rails, normally 30 V peak-to-peak. An enable (EN) function allows for device selection when several multiplexers are used All control inputs, address (AX) and enable (EN) are TTL or CMOS compatible over the full specified operating temperature range. Fabricated in the Vishay Siliconix Plus-40 process, the absolute maximum voltage rating is extended to 44 V, allowing increased operating headroom for standard 15-V signal swings and operation with 20-V supplies. An epitaxial layer prevents latch up. The DG508A_MIL/509A_MIL are available in hermetic packages. For plastic packages, use the DG408/409 as pin-for-pin replacements. For applications requiring address data latching, the DG528/529 is recommended. DG408/409 is recommended for higher precision applications. For wideband/video routing and multiplexing, the DG538A is recommended. Dual-In-Line EN A0 EN V– S1 S2 S3 S4 D 16 1 2 Decoders/Drivers 14 3 13 4 12 5 6 11 7 10 8 DG508A_MIL Top View Document Number: 70067 S-00405—Rev. C, 21-Feb-00 15 9 A1 A2 A0 LCC NC A1 A2 Key 3 2 1 20 19 V– 4 S1 5 NC 6 16 NC S2 7 15 S5 S3 8 14 S6 GND Decoders/Drivers 18 GND 17 V+ DG508A_MIL V+ S5 S6 S7 S8 9 S4 10 D 11 NC 12 S8 13 S7 Top View www.vishay.com FaxBack 408-970-5600 5-1 DG508A_MIL/509A_MIL Vishay Siliconix FUNCTIONAL BLOCK DIAGRAMS AND PIN CONFIGURATIONS ORDERING INFORMATION - DG508A_MIL Temp Range Package Part Number TRUTH TABLE - DG508A_MIL A2 A1 A0 EN On Switch 0 to 70_C 16-Pin Plastic DIP DG508ACJ X X X 0 None –25 to 85_C 16-Pin CerDIP DG508ABK 0 0 0 1 1 –40 to 85_C 16-Pin Narrow SOIC DG508ADY 0 0 1 1 2 DG508AAK 0 1 0 1 3 DG508AAK/883 0 1 1 1 4 DG508AAZ/883 1 0 0 1 5 7705201EA 1 0 1 1 6 7705201EC 1 1 0 1 7 7705201FA 1 1 1 1 8 16-Pin CerDIP LCC-20 16-Pin Sidebraze –55 125_C C 55 to 125 16-Pin Flat Pack 16-Pin Sidebraze 7705201FC Logic “0” 0 = VAL v 0.8 V JM38510/19007BEA Logic “1” 1 = VAH w 2.4 V X = Don’t Care JM38510/19007BEC Dual-In-Line and SOIC EN A0 EN V– S1a S2a S3a S4a Da 16 1 2 Decoders/Drivers 15 14 3 13 4 12 5 6 11 7 10 8 9 A1 A0 3 GND 2 –55 125_C 55 to 125 C LCC-20 16-Pin Sidebraze 20 19 4 Decoders/Drivers 18 V+ S1a 5 DG509A_MIL 17 S1b NC 6 16 NC S2a 7 15 S2b S3a 8 14 S3b S1b S2b S3b S4b 9 Db 10 S4a 11 Da 12 NC Db 13 S4b Top View ORDERING INFORMATION - DG509A_MIL 16-Pin CerDIP 1 V– V+ Top View Package GND Key DG509A_MIL Temp Range LCC NC A1 Part Number TRUTH TABLE - DG509A_MIL A1 A0 EN On Switch DG509AAK X X 0 None DG509AAK/883 0 0 1 1 DG509AAZ/883 0 1 1 2 JM38510/19008BEA 1 0 1 3 JM38510/19008BEC 1 1 1 4 Logic “0” 0 = VAL v 0.8 V Logic “1” 1 = VAH w 2.4 V X = Don’t Care www.vishay.com S FaxBack 408-970-5600 5-2 Document Number: 70067 S-00405—Rev. C, 21-Feb-00 DG508A_MIL/509A_MIL Vishay Siliconix ABSOLUTE MAXIMUM RATINGS Voltage Referenced to V– Storage Temperature (K Suffix) . . . . . . . . . . . . . . . . . . . –65 to 150_C (J and Y Suffix) . . . . . . . . . . . . . . –65 to 125_C V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 V GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Digital Inputsa, VS, VD . . . . . . . . . . . . . . . . . . . . . . . . (V–) –2 V to (V+) +2 V or 20 mA, whichever occurs first Current (Any Terminal, Except S or D) . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Continuous Current, S or D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA Peak Current, S or D (Pulsed at 1 ms, 10% Duty Cycle Max) . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Power Dissipation (Package)b 16-Pin CerDIPc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW LCC-20c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 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 soldered or welded to PC board. c. Derate 12 mW/_C above 75_C. SPECIFICATIONSa Test Conditions Unless Otherwise Specified Parameter P A Suffix –55 to 125_C V+ = 15 V, V– = –15 V VIN = 2.4 V, 0.8 Vf b Temp T Mind VANALOG Full –15 rDS(on) VD = "10 V, IS = –200 mA Room Full DrDS(on) –10 V < VS < 10 V Room IS(off) VEN = 0 V, VS = "10 V VD = #10 V Room Full –1 –50 1 50 DG508A_MIL Room Full –10 –200 10 200 DG509A_MIL Room Full –10 –100 10 100 DG508A_MIL Room Full –10 –200 10 200 DG509A_MIL Room Full –10 –100 10 100 VA = 2.4 V Room Full –10 –30 VA = 15 V Room Full Symbol S b l Typc Maxd Unit U i Analog Switch Analog Signal Rangee Drain-Source On-Resistance rDS(on) Match Source Off Leakage Current Drain Off L k Leakage Current C t Drain On Leakage Current L k C t ID(off) ID(on) VEN = 0 V VD = "10 V VS = #10 V VS = VD = "10 V 240 15 V 400 500 W 6 % nA A Digital Control –0.002 Logic g Input p Current I Input t Voltage V lt High Hi h IAH Logic Input Current Input Voltage Low IAL VEN = 0 V, 2.4 V, VA = 0 V Room Full Transition Time tTRANS See Figure 2 Room 0.6 Break-Before-Make Time tOPEN See Figure 4 Room 0.2 Enable Turn-On Time tON(EN) Room 1 1.5 Enable Turn-Off Time tOFF(EN) 1.0 0.006 –10 –30 10 30 mA A –0.002 Dynamic Characteristics Charge Injection Off Isolation See Figure 3 Room 0.4 See Figure 5 Room 6 pC OIRR VEN = 0 V, RL = 1 kW , CL = 15 pF VS = 7 VRMS, f = 500 kHz Room 68 dB 8 Cin f = 1 MHz Room Source Off Capacitance CS(off) VEN = 0 V, VS = 0 V, f = 140 kHz Room 6 DG508A_MIL Room 25 DG509A_MIL Room 12 Document Number: 70067 S-00405—Rev. C, 21-Feb-00 ms Q Logic Input Capacitance Drain Off Capacitance 1.0 CD(off) VEN = 0 V,, VD = 0 V f = 140 kHz kH pF F www.vishay.com S FaxBack 408-970-5600 5-3 DG508A_MIL/509A_MIL Vishay Siliconix SPECIFICATIONSa Test Conditions Unless Otherwise Specified Parameter P A Suffix –55 to 125_C V+ = 15 V, V– = –15 V VIN = 2.4 V, 0.8 Vf Symbol S b l b Temp T Typc Mind Maxd Unit U i Power Supplies Positive Supply Current I+ Negative Supply Current I– Room VEN = 0 V or 2.4 V 1.3 Room –1.5 2.4 –0.7 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. TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Input Switching Threshold vs. V+ and V– Supply Voltages rDS(on) vs. VD and Power Supply 2.5 2.0 400 7.5 V 1.5 300 V T (V) r DS(on)– Drain-Source On-Resistance ( ) 5 V 500 10 V 15 V 200 1.0 20 V 0.5 100 0 –20 0 –15 –10 –5 0 5 15 10 ”5 20 VD – Drain Voltage (V) 14 Charge Injection vs. Analog Voltage (VS) 500 V+ = 15 V V– = –15 V r DS(on)– Drain-Source On-Resistance ( ) 16 12 Q (pC) 10 8 6 4 2 0 –15 –10 –5 0 5 VS – Source Voltage (V) www.vishay.com S FaxBack 408-970-5600 5-4 ”10 ”15 ”20 V+, V– Positive and Negative Supplies (V) 10 15 450 rDS(on) vs. VD and Temperature V+ = 15 V V– = –15 V 400 350 300 125_C 250 25_C 200 150 –55_C 100 50 0 –15 –10 –5 0 5 VD – Drain Voltage (V) 10 15 Document Number: 70067 S-00405—Rev. C, 21-Feb-00 DG508A_MIL/509A_MIL Vishay Siliconix _ Supply Current vs. Switching Frequency Crosstalk vs. Frequency 6 0 V+ = 15 V V– = –15 V ref. 0 dBm V+ = 15 V V– = –15 V 4 –20 CerDIP I+ –40 X TALK (dB) I+, I– (mA) 2 0 –2 Plastic –60 –80 I– –4 –100 –6 –120 10 k 100 k 1M 1k 10 k 100 k f – Frequency (Hz) Off Isolation vs. Frequency Switching Time vs. Temperature 1400 V+ = 15 V V– = –15 V ref. 0 dBm V+ = 15 V V– = –15 V t TRANS , t OPEN (ns) 1200 CerDIP ISOL (dB) –40 Plastic –60 –80 1000 tTRANS 800 tOPEN 600 400 –100 200 –120 1k 10 k 100 k 1M –55 10 M –35 –15 5 25 45 65 85 105 125 105 125 Temperature (_C) f – Frequency (Hz) Switching Time vs. Positive Supply Voltage Leakages vs. Temperature 100 nA 1100 1000 10 nA 900 800 V+ = 15 V V– = –15 V VD = 14 V 1 nA 700 tTRANS I D, I S t TRANS , t OPEN (ns) 10 M f – Frequency (Hz) 0 –20 1M 600 500 ID(on), ID(off) 100 pA IS(off) 10 pA tOPEN 400 300 200 10 12 14 16 18 V+ – Positive Supply (V) Document Number: 70067 S-00405—Rev. C, 21-Feb-00 20 22 –55 –35 –15 5 25 45 65 85 Temperature (_C) www.vishay.com S FaxBack 408-970-5600 5-5 DG508A_MIL/509A_MIL Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) IS(off) vs. Analog Voltage 25 15 ID(on), ID(off) vs. Analog Voltage 20 V+ = 15 V V– = –15 V VS = –VD TA = 25_C V+ = 15 V V– = –15 V TA = 25_C 0 0 I D (pA) I S (pA) 5 IS(off) –5 ID(on) –20 ID(off) –40 –15 –25 –15 –10 –5 5 0 10 –60 –15 15 –10 –5 VS – Source Voltage (V) 0 5 10 15 VD – Drain Voltage (V) Charge Injection vs. Power Supply Voltage 12 10 Q (pF) 8 6 4 2 0 5 10 15 20 25 V+, V– Positive and Negative Supplies (V) SCHEMATIC DIAGRAM (TYPICAL CHANNEL) V+ S1 GND V+ – + A0 V– EN V– V– V+ V+ V– Decode/ Drive – + AX Sx V– V+ V+ – + V+ D V– FIGURE 1. www.vishay.com S FaxBack 408-970-5600 5-6 Document Number: 70067 S-00405—Rev. C, 21-Feb-00 DG508A_MIL/509A_MIL Vishay Siliconix +15 V V+ A2 "10 V S1 A1 S2 – S7 A0 DG508A_MIL #10 V S8 GND Logic Input VO D EN V– 50% 0V 35 pF 300 50 tr <20 ns tf <20 ns 3V –15 V VS1 90% Switch Output +15 V VO 0V V+ A1 "10 V S1 A0 90% VS8 S1a – S4a, Da tTRANS #10 V DG509A_MILS4b S1 ON VO Db EN GND tTRANS S8 ON V– 35 pF 300 50 –15 V FIGURE 2. Transition Time +15 V V+ S1 –5V EN S2 – S8 A0 DG508A_MIL A1 A2 GND VO D V– Logic Input tr <20 ns tf <20 ns 3V 50% 0V 50 35 pF 1 k tON(EN) –15 V tOFF(EN) 0V +15 V 10% Switch Output VO V+ S1b –5V 90% EN S1a – S4a, Da S2b – S4b A0 A1 DG509A_MIL GND Db VO V– 50 1 k 35 pF –15 V FIGURE 3. Enable Switching Time Document Number: 70067 S-00405—Rev. C, 21-Feb-00 www.vishay.com FaxBack 408-970-5600 5-7 DG508A_MIL/509A_MIL Vishay Siliconix +15 V V+ EN +2.4 V All S and Da A0 tr <20 ns tf <20 ns 3V Logic Input 50% +5 V 0V DG508A_MIL DG509A_MIL A1 Db, D A2 GND VO VS V– 50 W –15 V 80% Switch Output 300 W 35 pF VO tOPEN 0V FIGURE 4. Break-Before-Make Interval +15 V Rg V+ SX Logic Input EN OFF ON OFF 0V Vg A0 Channel Select 3V VO D A1 CL 10 nF A2 GND V– DVO Switch Output DVO is the measured voltage due to charge transfer error Q, when the channel turns off. Q = CL x DVO –15 V FIGURE 5. Charge Injection +15 V +15 V VIN VS VIN V+ SX VS Rg = 50 W S8 A0 VO A1 EN V– RL 1 kW –15 V Off Isolation = 20 log FIGURE 6. Off Isolation www.vishay.com FaxBack 408-970-5600 5-8 A0 Rg = 50 W GND SX S8 D A2 V+ S1 D VO A1 A2 GND EN V– RL 1 kW –15 V VOUT VIN Crosstalk = 20 log VOUT VIN FIGURE 7. Crosstalk Document Number: 70067 S-00405—Rev. C, 21-Feb-00 DG508A_MIL/509A_MIL Vishay Siliconix VS +15 V +15 V V+ V+ S1 Rg = 50 S1 Meter A2 A0 D Channel Select VO HP4192A Impedance Analyzer or Equivalent S8 A1 A0 A1 A2 GND EN V– RL 1 k D EN GND f = 1 MHz V– –15 V –15 V VOUT Insertion Loss = 20 log VIN FIGURE 8. Insertion Loss FIGURE 9. Source Drain Capacitance V+ Positive Supply Voltage (V) V– Negative Supply Voltage (V) VIN Logic Input Voltage VINH(min)/VINL(max) (V) VS or VD Analog Voltage Range (V) 15 –15 2.4/0.8 –15 to 15 10 –12 2.4/0.8 –12 to 12 12 –10 2.4/0.6 –10 to 10 8b –8 2.4/0.4 –8 to 8 Notes: a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing. b. Operation below 8 V is not recommended. Overvoltage Protection +15 V V+ v Vg v V– A very convenient form of overvoltage protection consists of adding two small signal diodes (1N4148, 1N914 type) in series with the supply pins (see Figure 11). This arrangement effectively blocks the flow of reverse currents. It also floats the supply pin above or below the normal V+ or V– value. In this case the overvoltage signal actually becomes the power supply of the IC. From the point of view of the chip, nothing has changed, as long as the difference between VS and the V– rail doesn’t exceed +44 V. The addition of these diodes will reduce the analog signal range to 1 V below V+ and 1 V above V–, but it preserves the low channel resistance and low leakage characteristics. 1N4148 V+ DG508A_MIL Internal Junction SX Vg D Internal Junction V– 1N4148 –15 V FIGURE 10. Overvoltage Protection Using Blocking Diodes Document Number: 70067 S-00405—Rev. C, 21-Feb-00 www.vishay.com FaxBack 408-970-5600 5-9 DG508A_MIL/509A_MIL Vishay Siliconix +15 V –15 V V+ S1 GND V– DG508A_MIL Analog Inputs (Outputs) Analog Output (Input) D S8 A0 +5 V CLOCK IN DM7493 A1 A2 EN QB QC QD r01 QA r02 GND NC +15 V ENABLE IN (Multiplexer On-Off Control) FIGURE 11. 8-Channel Sequential Multiplexer/ Demultiplexer +15 V –15 V V+ S1a Differential Analog Inputs (Outputs) V– GND Da S4a DG509A_MIL Differential Analog Output (Input) S1b Db S4b A0 +5 V CLOCK IN J Q 1/2 MM74C73 CLK K CLEAR Q GND A1 EN J Q 1/2 MM74C73 CLK NC Q K NC CLEAR RESET ENABLE FIGURE 12. Differential 4-Channel Sequential Multiplexer/ Demultiplexer www.vishay.com FaxBack 408-970-5600 5-10 Document Number: 70067 S-00405—Rev. C, 21-Feb-00 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1