8-Ch/Dual 4-Ch High-Performance CMOS Analog Multiplexers

Transcription

1 G48, G49 8-Ch/ual 4-Ch High-Performance CMOS Analog Multiplexers ESCRIPTION The G48 is an 8 channel single-ended analog multiplexer designed to connect one of eight inputs to a common output as determined by a 3-bit binary address (,, A 2 ). The G49 is a dual 4 channel differential analog multiplexer designed to connect one of four differential inputs to a common dual output as determined by its 2-bit binary address (, ). Break-before-make switching action protects against momentary crosstalk between adjacent channels. An on channel conducts current equally well in both directions. In the off state each channel blocks voltages up to the power supply rails. An enable () function allows the user to reset the multiplexer/demultiplexer to all switches off for stacking several devices. All control inputs, address (A x ) and enable () are TTL compatible over the full specified operating temperature range. Applications for the G48, G49 include high speed data acquisition, audio signal switching and routing, ATE systems, and avionics. High performance and low power dissipation make them ideal for battery operated and remote instrumentation applications. esigned in the 44 V silicon-gate CMOS process, the absolute maximum voltage rating is extended to 44 V. Additionally, single supply operation is also allowed. An epitaxial layer prevents latchup. For additional information please see Technical Article TA21. FEATURES Low on-resistance - R S(on) : 1 Low charge injection - Q: 2 pc Available Fast transition time - t TRANS : 16 ns Low power - I SUPPLY : 1 μa Available Single supply capability 44 V supply max. rating TTL compatible logic Material categorization: For definitions of compliance please see Note * This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-rohs-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information/tables in this datasheet for details. BEFITS Reduced switching errors Reduced glitching Improved data throughput Reduced power consumption Increased ruggedness Wide supply ranges - Single supply: +5 V to 36 V - ual supplies: ± 5 V to ± 2 V APPLICATIONS ata acquisition systems Audio signal routing ATE systems Battery powered systems Single supply systems Medical instrumentation FUNCTIONAL BLOCK IAGRAM AN PIN CONFIGURATION G48 ual-in-line, SOIC and TSSOP G49 ual-in-line, SOIC and TSSOP ecoders/rivers 15 A 2 V GN 2 ecoders/rivers 15 GN V S S 1a 4 13 S 1b S 2 S S 2a 5 12 S 2b S S 6 S 3a 6 11 S 3b S S 7 S 4a 7 1 S 4b 8 9 S 8 a 8 9 b Top View Top View S Rev. K, 16-ec-13 1 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

2 G48, G49 TRUTH TABLE (G48) A 2 ON SWITCH X X X None TRUTH TABLE (G49) ON SWITCH X X None Notes Logic = V AL.8 V Logic 1 = V AH 2.4 V X = o not care ORERING INFORMATION (Commercial) PART CONFIGURATION TEMP. RANGE PACKAGE ORERING PART NUMBER G48 8:1 x 1-4 C to 85 C G49 4:1 x 2-4 C to 85 C 16-pin plastic IP 16-pin SOIC 16-pin TSSOP 16-pin plastic IP 16-pin SOIC 16-pin TSSOP G48J G48J-E3 G48Y G48Y-E3 G48Y-T1 G48Y-T1-E3 G48Q-E3 G48Q-T1-E3 G49J G49J-E3 G49Y G49Y-E3 G49Y-T1 G49Y-T1-E3 G49Q-E3 G49Q-T1-E3 Note -T1 indicates Tape and Reel, -E3 indicates Lead-Free and RoHS Compliant, NO -E3 indicates standard Tin/Lead finish. ABSOLUTE MAXIMUM RATINGS PARAMETER LIMIT UNIT to V- e 44 Voltages Referenced to V- GN to V- -25 igital Inputs a (V-) - 2 to () + 2, V S, V or 2 ma, whichever occurs first V Current (any terminal) 3 Peak Current, S or (pulsed at 1 ms, 1 % duty cycle max.) 1 ma Storage Temperature (J, Y suffix) -65 to 125 C Power issipation (Package) b 16-pin plastic IP c pin narrow SOIC and TSSOP d 6 mw Notes a. Signals on S X, X or IN X exceeding 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. erate 6 mw/ C above 75 C. d. erate 7.6 mw/ C above 75 C. e. Also applies when V- = GN. S Rev. K, 16-ec-13 2 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

3 G48, G49 SPECIFICATIONS a TEST CONITIONS UNLESS OTHERWISE SPECIFIE SUFFIX -4 C to 85 C = 15 V, V- = -15 V PARAMETER SYMBOL V AL =.8 V, V AH = 2.4 V f TEMP. b TYP. c MIN. d MAX. d UNIT Analog Switch Analog Signal Range e V ANALOG Full V rain-source Room 4-1 R On-Resistance S(on) V = ± 1 V, I S = -1 ma Full R S(on) Matching Between Channels g R S(on) V = ± 1 V Room Source Off Leakage Current I S(off) V S = ± 1 V, Room V = ± 1 V, V = V Full G48 Room G48 V rain Off Leakage = ± 1 V, Full I Current (off) V S = ± 1 V, G49 V = V Room na G49 Full G48 Room G48 V rain On Leakage S = V = ± 1 V Full I Current (on) sequence each G49 switch on Room G49 Full igital Control Logic High Input Voltage V INH Full Logic Low Input Voltage V INL Full V Logic High Input Current I AH V A = 2.4 V, 15 V Full Logic Low Input Current I AL V = V, 2.4 V, V A = V Full μa Logic Input Capacitance C in f = 1 MHz Room pf ynamic Characteristics Transition Time t TRANS see figure 2 Full Break-Before-Make Interval t OP see figure 4 Room Enable Turn-On Time t ON() Room ns see figure 3 Full Enable Turn-Off Time t OFF() Room Charge Injection Q C L = 1 nf, V S = V Room pc Off Isolation h OIRR V = V, R L = 1 k, f = 1 MHz Room V Source Off Capacitance C = V, V S = V, S(off) Room f = 1 MHz G48 rain Off Room C Capacitance (off) G49 V = V, Room V = V, G48 rain On f = 1 MHz Room C Capacitance (on) G49 Room Power Supplies Positive Supply Current I+ Full 1-75 V = V A = V or 5 V Negative Supply Current I- Full Room Positive Supply Current I+ ma V = V A = V or 5 V Full Negative Supply Current I- Full μa pf μa S Rev. K, 16-ec-13 3 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

4 G48, G49 SPECIFICATIONS a (Single Supply) TEST CONITIONS UNLESS OTHERWISE SPECIFIE = 12 V, V- = V SUFFIX -4 C to 85 C PARAMETER SYMBOL V AL =.8 V, V AH = 2.4 V f TEMP. b TYP. c MIN. d MAX. d UNIT Analog Switch rain-source On-Resistance e,f R S(on) V = 3 V, 1 V, I S = -1 ma Room ynamic Characteristics Switching Time of Multiplexer e t TRANS V S1 = 8 V, V S8 = V, V IN = 2.4 V Room ns Enable Turn-On Time e V t INH = 2.4 V, V INL = V, ON() Room V S1 = 5 V Enable Turn-Off Time e t OFF() Room Charge Injection e Q C L = 1 nf, V S = V, R S = Room pc Notes a. Refer to PROCESS OPTION FLOWCHART. b. Room = 25 C, Full = as determined by the operating temperature suffix. c. Typical values are for ESIGN AI 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 datasheet. e. Guaranteed by design, not subject to production test. f. V IN = input voltage to perform proper function. g. R S(on) = R S(on) max. - R S(on) min. h. Worst case isolation occurs on channel 4 due to proximity to the drain pin. 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. S Rev. K, 16-ec-13 4 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

5 G48, G49 TYPICAL CHARACTERISTICS (25 C, unless otherwise noted) 8 6 = 15 V V- = C ( on) V S = V for I ( of f) V S = V for I ( on) G49 I ( of f) G48 I ( of f) C S, (pf) 4 C ( of f) (pa) I G49 I ( on) C S( o f f ) - 4 G48 I ( on) V AN AL O G - Analog Voltage (V) V AN AL O G - Analog Voltage (V) 12 Source/rain Capacitance vs. Analog Voltage rain Leakage Current vs. Source/rain Voltage (Single 12 V Supply) 1 6 = 15 V V- = V S = - V for I (off) V = V S ( open) for I ( on) G49 I ( of f) 1 = 15 V V- = I (pa) - 2 I S(off) (pa) 5-6 G49 I ( on) - 1 G48 I ( on), I ( of f) - 5 = 12 V V- = V V or V S - rain or Source V oltage (V) V S - Source V oltage (V) rain Leakage Current vs. Source/rain Voltage Source Leakage Current vs. Source Voltage ma V SU PPL Y = ± 15 V - 1 ma ma (V) V TH 1. I- - 1 µa V = 2.4 V - 1 µa.5-1 µa V = V or 5 V V SUPPLY (V) -.1 µa 1 1K 1K 1K 1M Switching Frequency (Hz) 1M Input Switching Threshold vs. Supply Voltage Negative Supply Current vs. Switching Frequency S Rev. K, 16-ec-13 5 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

6 G48, G49 TYPICAL CHARACTERISTICS (25 C, unless otherwise noted) 1 ma 1 µa V SU PPL Y = 15 V 1 µa I+ 1 ma 1 µa I+ 1 ma V = 2.4 V I+, I- 1 na 1 na 1 µa V = V or 5 V 1 na 1 pa - (I-) V SU PPL Y = ± 15 V V A = V V = V 1 µa 1 pa 1 1K 1K 1K 1 M 1M Switching Frequency (Hz) Temperature ( C) Positive Supply Current vs. Switching Frequency I SUPPLY vs. Temperature C L = 1 pf V IN = 5 Vp-p 15 6 I+ (µa) 1 = 15 V V- = V IN = V V = V Q (pc) = 15 V V- = = 12 V V- = V Temperature ( C) V S - Source V oltage (V) Positive Supply Current vs. Temperature (G48) Charge Injection vs. Analog Voltage ± 5 V = 7.5 V R S(on) (Ω) ± 8 V ± 1 V ± 12 V R S(on) (Ω) V 12 V 15 V 2 V 2 ± 2 V ± 15 V 4 2 V- = V 22 V V - rain V oltage (V) V - rain Voltage (V) R S(on) vs. V and Supply R S(on) vs. V and Supply (Single Supply) S Rev. K, 16-ec-13 6 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

7 G48, G49 TYPICAL CHARACTERISTICS (25 C, unless otherwise noted) 8 13 R S(on) (Ω) = 15 V V- = 125 C 85 C 25 C R S(on) ( ) C 85 C 25 C C - 4 C 2 1 C - 4 C - 55 C 3-55 C = 12 V V- = V V - rain Voltage (V) V - rain Voltage (V) R S(on) vs. V and Temperature R S(on) vs. V and Temperature (Single Supply) = 15 V V- = R L = 1 kω - 1 = 15 V V- = Ref. 1 V RMS R L = 1 kω (db) - 9 Of f-isolation L OSS (db) Crosstalk R L = 5 Ω K 1K 1K 1M 1M 1M K 1K 1K 1 M 1M 1M f - Frequency (Hz) f - Frequency (Hz) Off Isolation and Crosstalk vs. Frequency Insertion Loss vs. Frequency t TRANS 225 t (ns) 1 t OFF() t (ns) t TRANS 8 t ON() 15 t OFF() 125 t ON() 6 ± 1 ± 12 ± 14 ± 16 ± 18 ± 2 ± V SU PPL Y (V) V SUPPLY (V) Switching Time vs. Bipolar Supply Switching Time vs. Single Supply S Rev. K, 16-ec-13 7 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

8 G48, G49 SCHEMATIC IAGRAM (Typical Channel) GN V REF A X Level Shift ecode/ rive V- S 1 S n V- Fig. 1 TEST CIRCUITS A 2 S 1 ± 1 V GN G48 S 2 - S 7 S 8 V- 5 Ω 3 Ω ± 1 V 35 pf Logic Input 3 V V 5 % t r < 2 ns t f < 2 ns S 1 S 1a - S 4a, a ± 1 V Switch Output V S1 V V S8 9 % 9 % G49 S 4b b GN V- 5 Ω 3 Ω ± 1 V 35 pf t TRANS S 1 ON S 8 ON t TRANS Fig. 2 - Transition Time S Rev. K, 16-ec-13 8 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

9 G48, G49 TEST CIRCUITS S 1-5 V 5 Ω A A 2 G48 GN V- S 2 - S 8 1 kω 35 pf Logic Input Switch Output 3 V V t ON() V 5 % t r < 2 ns t f < 2 ns t OFF() 1 % S 1b - 5 V 9 % S 1a - S 4a, a S 2b - S 4b 5 Ω G49 GN V- b 1 kω 35 pf Fig. 3 - Enable Switching Time V 5 Ω A 2 G48 G49 All S and a GN V- b, 3 Ω + 5 V 35 pf Logic Input Switch Output 3 V V V S V 5 % 8 % t OP t r < 2 ns t f < 2 ns Fig. 4 - Break-Before-Make Interval S Rev. K, 16-ec-13 9 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

10 G48, G49 TEST CIRCUITS R g S X Logic Input 3 V V OFF ON OFF Channel Select A 2 GN V- C L 1 nf Switch Output Δ is the measured voltage due to charge transfer error Q, when the channel turns off. Q = C L x Δ Δ Fig. 5 - Charge Injection V S R g = 5 Ω V IN S X S 8 V S V IN S 1 S X A 2 GN V- R L 1 kω R g = 5 Ω S 8 A 2 GN V- R L 1 kω Off Isolation = 2 log UT V IN Crosstalk = 2 log UT V IN Fig. 6 - Off Isolation Fig. 7 - Crosstalk V S S 1 R g = 5 Ω A 2 GN V- R L 1 kω Channel Select A 2 A1 GN S 1 S 8 V- Meter HP4192A Impedance Analyzer or Equivalent f = 1 MHz Insertion Loss = 2 log UT V IN Fig. 8 - Insertion Loss Fig. 9 - Source rain Capacitance S Rev. K, 16-ec-13 1 ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

11 APPLICATION HINTS Overvoltage Protection 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 1). This arrangement effectively blocks the flow of reverse currents. It also floats the supply pin above or below the normal or V- value. In this case the overvoltage signal actually becomes the power G48, G49 supply of the IC. From the point of view of the chip, nothing has changed, as long as the difference VS - (V-) does not exceed + 44 V. The addition of these diodes will reduce the analog signal range to 1 V below and 1 V above V-, but it preserves the low channel resistance and low leakage characteristics. 1N4148 V g S X G48 1N4148 V- Fig. 1 - Overvoltage Protection Using Blocking iodes 8-Channel Sequential Multiplexer/emultiplexer ifferential 4-Channel Sequential Multiplexer/emultiplexer Analog Inputs (Outputs) GN V- S 1 S 2 S 3 S 4 G48 S 5 S 6 S 7 S 8 A 2 Analog Output (Input) ifferential Analog Inputs (Outputs) GN V- S 1a S 2a S 3a a S 4a G49 S 1b S 2b b S 3b S 4b ifferential Analog Outputs (Inputs) Clock In NC Enable In M7493 B IN (MUX On-Off Control) Q B Q C Q J Q J Q A IN Q NC Clock 1/2 MM74C73 1/2 MM74C73 A r 1 r 2 GN In CLK CLK K Q NC K Q CLEAR GN CLEAR Reset Enable Fig. 11 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 6 NC S Rev. K, 16-ec ocument Number: 762 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

12 Package Information JEEC Part Number: MS E im Min Max Min Max B C E e 1.27 BSC.5 BSC H L ECN: S-3946 Rev. F, 9-Jul-1 WG: 53 H C All Leads e B A1 L.11 mm.4 IN ocument Number: Jul-1 1

13 Package Information E 1 E S Q 1 A L B 1 e 1 B C e A 15 MAX im Min Max Min Max A B B C E E e e A L Q S ECN: S-3946 Rev., 9-Jul-1 WG: 5482 ocument Number: Jul-1 1

14 Package Information E 1 E S Q 1 A L 1 L B 1 e 1 B C e A im Min Max Min Max A B B C E E e BSC.1 BSC e A 7.62 BSC.3 BSC L L Q S ECN: S-3946 Rev. G, 9-Jul-1 WG: 543 ocument Number: Jul-1 1

15 Packaging Information e L E A im Min Max Min Max BSC.5 BSC ECN: S-3946 Rev. B, 9-Jul-1 WG: 5321 L B ocument Number: Jul-1 1

16 Package Information TSSOP: 16-LEA IMSIONS IN MILLIMETERS Symbols Min Nom Max A A A B C E E e L L y θ1 3 6 ECN: S-6192-Rev., 23-Oct-6 WG: 5624 ocument Number: Oct-6 1

17 PA Pattern RECOMME MINIMUM PA FOR TSSOP (4.9).55 (1.4).281 (7.15).171 (4.35).14 (.35).26 (.65).12 (.3) Recommended Minimum Pads imensions in inches (mm) Revision: 2-Sep-11 1 ocument Number: 6355 THIS OCUMT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PROUCTS ESCRIBE HEREIN AN THIS OCUMT ARE SUBJECT TO SPECIFIC ISCLAIMERS, SET FORTH AT

18 Application Note 826 RECOMME MINIMUM PAS FOR SO-16 RECOMME MINIMUM PAS FOR SO (9.449).47 (1.194) APPLICATION NOTE.246 (6.248).152 (3.861).22 (.559).5 (1.27).28 (.711) Recommended Minimum Pads imensions in Inches/(mm) Return to Index Return to Index ocument Number: Revision: 21-Jan-8

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