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| DG308A/DG309 Vishay Siliconix Quad Monolithic SPST CMOS Analog Switches DESCRIPTION Featuring low on-resistance (60 ) and fast switching (130 ns), the DG308A is supplied in the "normally open" configuration while DG309 is supplied "normally closed". Input thresholds are high voltage CMOS compatible. Designed with the Vishay Siliconix PLUS-40 CMOS process to combine low power dissipation with a high breakdown voltage rating of 44 V, each switch conducts equally well in both directions when on, and blocks up to the supply voltage when off. An epitaxial layer prevents latch up. The DG308B/309B upgrades are recommended for new designs. FEATURES * 15 V Analog Input Range * Low On-Resistance: 60 * Fast Switching: 130 ns * Low Power Dissipation: 30 nW * CMOS Logic Compatible Pb-free Available RoHS* COMPLIANT BENEFITS * Full Rail-to-Rail Analog Signal Range * Low Signal Error * Wide Dynamic Range * Single or Dual Supply Capability * Static Protected Logic Inputs * Space Savings (TSSOP) APPLICATIONS * Portable and Battery Powered Instrumentation * Communication Systems * Computer Peripherals * High-Speed Multiplexing FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION DG308A IN1 D1 S1 V- GND S4 D4 IN4 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN2 D2 S2 V+ NC S3 D3 IN3 For SPST Switches per Package TRUTH TABLE Logic 0 1 Logic "0" 3.5 V Logic "1" 11 V DG308A OFF ON DG309 ON OFF Top View * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 70046 S-71155-Rev. F, 11-Jun-07 www.vishay.com 1 DG308A/DG309 Vishay Siliconix ORDERING INFORMATION Temp Range 0 to 70 C Package 16-Pin Plastic DIP Part Number DG308ACJ DG308ACJ-E3 DG309CJ DG309CJ-E3 DG308ADY DG308ADY-E3 DG308ADY-T1 DG308ADY-T1-E3 DG309DY DG309DY-E3 DG309DY-T1 DG309DY-T1-E3 DG308ADQ DG308ADQ-E3 DG308ADQ-T1 DG308ADQ-T1-E3 DG309DQ DG309DQ-E3 DG309DQ-T1 DG309DQ-T1-E3 16-Pin Narrow SOIC - 40 to 85 C 16-Pin TSSOP ABSOLUTE MAXIMUM RATINGS Parameter Voltages Referenced V+ to VGND Digital Inputsa, VS, VD Current, Any Terminal Except S or D Continuous Current Storage Temperature S or D (Pulsed at 1 ms, 10 % duty cycle max) (AK Suffix) (CJ, DY and DQ Suffix) 16-Pin Plastic DIPc Power Dissipation b Limit 44 25 (V-) - 2 to (V+) + 2 or 20 mA, whichever occurs first 30 20 70 - 65 to 150 - 65 to 125 470 TSSOPe 600 900 Unit V mA C 16-Pin Narrow SOIC and 16-Pin CerDIP d 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 6.5 mW/C above 25 C. e. Derate 7.6 mW/C above 75 C. www.vishay.com 2 Document Number: 70046 S-71155-Rev. F, 11-Jun-07 DG308A/DG309 Vishay Siliconix SCHEMATIC DIAGRAM (TYPICAL CHANNEL) V+ S VVIN Level Shift/ Drive V+ GND D V- Figure 1. SPECIFICATIONSa Test Conditions Unless Specified V+ = 15 V, V- = - 15 V Parameter Analog Switch Analog Signal Rangee Drain-Source On-Resistance Source Off Leakage Current Drain Off Leakage Current Drain On Leakage Current Digital Control Input Current with Input Voltage High Input Current with Input Voltage Low Input Capacitance Dynamic Characteristics Turn-On Time Turn-Off Time Charge Injection Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Off-Isolationf tON tOFF Q CS(off) CD(off) CD(on) OIRR RL = 75 , VS = 2 Vp-p, f = 500 kHz See Figure 2 CL = 0.01 F, Rgen = 0 , Vgen = 0 V, f = 140 kHz, VS, VD = 0 V Room Room Room Room Room Room Room 130 90 - 10 11 8 27 78 dB pF 200 150 200 150 ns pC VANALOG rDS(on) IS(off) ID(off) ID(on) VD = 10 V, IS = 1 mA VS = 14 V, VD = 14 V VD = 14 V, VS = 14 V VD = VS = 14 V Full Room Full Room Full Room Full Room Full 60 - 15 15 100 150 1 100 1 100 1 100 - 15 15 100 125 5 100 5 100 5 200 V Symbol VIN = 3.5 V or 11 V f A Suffix - 55 to 125C Tempb Typc Mind Maxd C, D Suffix Mind Maxd Unit 0.1 0.1 0.1 -1 100 -1 100 -1 100 -5 - 100 -5 - 100 -5 - 200 nA IINH IINL CIN VIN = 15 V VIN = 0 V Full Full Room 0.001 - 0.001 8 -1 1 -1 1 A pF Document Number: 70046 S-71155-Rev. F, 11-Jun-07 www.vishay.com 3 DG308A/DG309 Vishay Siliconix SPECIFICATIONSa Test Conditions Unless Specified V+ = 15 V, V- = - 15 V Parameter Power Supplies Positive Supply Current Negative Supply Current Symbol VIN = 3.5 V or 11 Vf Temp b A Suffix - 55 to 125C Typ c C, D Suffix Mind Maxd 10 100 - 100 Unit Min d Max d I+ I- All Channels On or Off VIN = 0 V or 15 V Room Full Room Full 0.001 - 0.001 - 10 - 100 10 100 A 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. Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. TYPICAL CHARACTERISTICS 25 C, unless otherwise noted 1000 r DS(on) - Drain-Source On-Resistance () 150 TA = 25 C 5V 800 120 600 15 V Supplies TA = 25 C 90 10 V 60 15 V 20 V I+, I- (A) 7.5 V 400 I200 I+ 30 0 - 20 100 - 15 - 10 -5 5 0 10 VD - Drain Voltage (V) 15 20 1k 10 k 100 k 1M f - Frequency (Hz) rDS(on) vs. VD and Power Supply 20 Supply Currents vs. Switching Frequency (All Inputs Active) 250 r DS(on) - Drain-Source On-Resistance () TA = 25 C 10 IS(off) 0 I S, I D (pA) ID(off) - 10 ID(on) V+ = + 7.5 V 200 TA = 25 C V- = 0 V 150 + 10 V 100 + 15 V - 20 50 + 20 V - 30 - 15 - 12 - 9 - 6 - 3 0 3 69 12 VD or V S - Drain or Source Voltage (V) 15 0 0 5 10 15 VD - Drain Voltage (V) 20 Leakage Currents vs. Analog Voltage www.vishay.com 4 rDS(on)vs. VD and Power Supply Voltage Document Number: 70046 S-71155-Rev. F, 11-Jun-07 DG308A/DG309 Vishay Siliconix TYPICAL CHARACTERISTICS 10 TA = 25 C 7 8 6 5 V T (V) 4 3 2 2 1 0 0 0 5 10 15 V+, V- Positive & Negative Supplies (V) 20 0 5 10 15 25 C, unless otherwise noted 8 V- = 0 V TA = 25 C 6 V T (V) 4 Input Switching Threshold vs. V+ and V- Supply Voltages V+ - Positive Supply Voltage (V) Input Switching Threshold vs. Positive Supply Voltage TEST CIRCUITS + 15 V V+ VS = + 3 V S IN 12 V GND VRL 1k CL 35 pF Switch Output - 15 V VO = V S RL RL + rDS(on) VO tON 90 % D VO Logic Input 12 V 50 % 0V tOFF tr < 20 ns tf < 20 ns Figure 2. Switching Time APPLICATIONS Single Supply Operation The DG308A and DG309 will switch positive analog signals while using a single positive supply. This will allow use in many applications where only one supply is available. The trade-offs or performance given up while using single supplies are: 1) increased rDS(on) and 2) slower switching speed. As stated in the absolute maximum ratings section of the data sheet, the analog voltage should not go above or below the supply voltages which in single supply operation are V+ and 0 V. Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability data, see http://www.vishay.com/ppg?70046. Document Number: 70046 S-71155-Rev. F, 11-Jun-07 www.vishay.com 5 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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