High-Bandwidth, Low Voltage, Dual SPDT Analog Switches

Transcription

1 DG, DG High-Bandwidth, Low Voltage, Dual SPDT Analog Switches DESCRIPTION The DG/DG are monolithic CMOS dual single-pole/double-throw (SPDT) analog switchs. They are specifically designed for low-voltage, high bandwidth applications. The DG/DG s on-resistance ( at.7 V), matching and flatness are guaranteed over the entire analog voltage range. Wide dynamic performance is achieved with better than - 8 db for both cross-talk and off-isolation at MHz. Both SPDT s operate with independent control logic, conduct equally well in both directions and block signals up to the power supply level when off. Break-before-make is guaranteed. With fast switching speeds, low on-resistance, high bandwidth, and low charge injection, the DG/DG are ideally suited for audio and video switching with high linearity. Built on s low voltage CMOS technology, the DG/DG contain an epitaxial layer which prevents latch-up FEATURES Halogen-free according to IEC 49-- Definition Single Supply (.8 V to 5.5 V) Low On-Resistance - R ON :.4 Crosstalk and Off Isolation: - 8 db at MHz MSOP- Package Compliant to RoHS Directive /95/EC BENEFITS Reduced Power Consumption High Accuracy Reduce Board Space Low-Voltage Logic Compatible High Bandwidth APPLICATIONS Cellular Phones Speaker Headset Switching Audio and Video Signal Routing PCMCIA Cards Low-Voltage Data Acquisition ATE FUNCTIONAL BLOCK DIAGRAM AND P CONFIGURATION DGDQ MSOP- NO 9 8 NO COM NC NC COM TRUTH TABLE Logic NC and NC NO and NO ON OFF OFF ON Top View DGDQ MSOP- NC 9 8 NC COM NO NO COM ORDERG FORMATION Temp Range Package Part Number - 4 C to 85 C MSOP- DGDQ-T-E DGDQ-T-E Top View Document Number: 7 S-85-Rev. D, -Jun- THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

2 DG, DG ABSOLUTE MAXIMUM RATGS Parameter Limit Unit Reference to -. to +, COM, NC, NO a -. to ( +.) V Continuous Current (Any terminal) ± 5 Peak Current (Pulsed at ms, % duty cycle) ± ma Storage Temperature (D Suffix) - 5 to 5 C Power Dissipation (Packages) b MSOP- c mw Notes: a. Signals on NC, NO, or COM or exceeding 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 4 mw/ C above 7 C. SPECIFICATIONS ( = V) Parameter Analog Switch Symbol Test Conditions Otherwise Unless Specified = V, ± %, V =.4 V or V e Temp. a Limits - 4 C to 85 C Min. b Typ. c Max. b Unit Analog Signal Range d V NO, V NC V COM V On-Resistance R ON =.7 V, V COM =. V/.5 V, I NO, I NC = ma R ON Flatness Switch Off Leakage Current f R ON Flatness I NO(off) I NC(off) I COM(off) =.7 V, V COM = to, I NO, I NC = ma. =. V V NO, V NC =. V/ V, V COM = V/. V Channel-On Leakage Current f I COM(on) =. V, V NO, V NC = V COM =. V/ V Digital Control Input High Voltage d V H. V Input Low Voltage V L.4 Input Capacitance C in 5 pf Input Current I L or I H V = V or µa Dynamic Characteristics Turn-On Time t ON V NO or V NC = V, R L = 5, C L = 5 pf Turn-Off Time t 8 ns OFF 8 Break-Before-Make Time t d Charge Injection d Q J C L = nf, V GEN = V, R GEN = 8 pc Off-Isolation d OIRR - 78 R L = 5, C L = 5 pf, f = MHz db Crosstalk d X TALK - 8 N O, N C Off Capacitance d C NO(off) 5 C NC(off) V = V or, f = MHz 5 pf C NO(on) Channel-On Capacitance d 49 C NC(on) 45 Power Supply Power Supply Current I+ V = V or. µa na Document Number: 7 S-85-Rev. D, -Jun- THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

3 DG, DG SPECIFICATIONS ( = 5 V) Parameter Analog Switch Symbol Test Conditions Otherwise Unless Specified = 5 V, ± %, V =.8 V or.4 V e Temp. a Limits - 4 C to 85 C Min. b Typ. c Max. b Unit Analog Signal Range d V NO, V NC V COM V On-Resistance R ON = 4.5 V, V COM = V, I NO, I NC = ma R ON Flatness Switch Off Leakage Current Channel-On Leakage Current Digital Control R ON Flatness I NO(off) I NC(off) I COM(off) I COM(on) Notes: a. = 5 C, = as determined by the operating suffix. b. Typical values are for design aid only, not guaranteed nor subject to production testing. c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. d. Guarantee by design, nor subjected to production test. e. V = input voltage to perform proper function. f. Guaranteed by 5 V leakage testing, not production tested = 4.5 V, V COM = to, I NO, I NC = ma. = 5.5 V V NO, V NC = V/4.5 V, V COM = 4.5 V/ V = 5.5 V, V NO, V NC = V COM = V/4.5 V Input High Voltage d V H V Input Low Voltage V L.8 Input Capacitance C in 5 pf Input Current I L or I H V = V or µa Dynamic Characteristics Turn-On Time t ON V NO or V NC = V, R L = 5, C L = 5 pf Turn-Off Time t 8 ns OFF 5 Break-Before-Make Time t d Charge Injection d Q J C L = nf, V GEN = V, R GEN = 79 pc Off-Isolation d OIRR - 8 R L = 5, C L = 5 pf, f = MHz db Crosstalk d X TALK - 8 C NO(off) Source-Off Capacitance d 4 C NC(off) V = V or, f = MHz 4 pf C NO(on) Channel-On Capacitance d 48 C NC(on 44 Power Supply Power Supply Range V Power Supply Current I+ V = V or. µa na 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. Document Number: 7 S-85-Rev. D, -Jun- THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

4 DG, DG TYPICAL CHARACTERISTICS (5 C, unless otherwise noted) On-Resistance ( ) T = 5 C I S = ma =. V = 5. V - On-Resistance ( ) 4 = V 85 C 5 C - 4 C R ON 4 5 V COM - Analog Voltage (V) R ON vs. V COM and Supply Voltage R ON = 5 V 85 C 5 C - 4 C 4 5 V COM - Analog Voltage (V) R ON vs. Analog Voltage and Temperature ma I+ - Supply Current (na) = 5 V V = V = V V = V I+ - Supply Current (A) ma µa µa µa na = 5 V Temperature ( C) Supply Current vs. Temperature na K K K M M Input Switching Frequency (Hz) Supply Current vs. Input Switching Frequency = 5 V 75 = 5 V Leakage Current (pa) I COM(off) I NO(off), I NC(off) I COM(on) Leakage Current (pa) I COM(off) I COM(on) I NO(off), I NC(off) Temperature ( C) Leakage Current vs. Temperature V COM, V NO, V NC - Analog Voltage (V) Leakage vs. Analog Voltage 4 Document Number: 7 S-85-Rev. D, -Jun- THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

5 DG, DG TYPICAL CHARACTERISTICS (5 C, unless otherwise noted) ton / t OFF - Switching Time (µs) 5 4 R L = 5 t ON = V t OFF = V t ON = 5 V t OFF = 5 V Temperature ( C) Switching Time vs. Temperature (db) Loss, OIRR, X TALK K LOSS OIRR X TA LK = 5 V R L = 5 M M M G Frequency (Hz) Insertion Loss, Off-Isolation Crosstalk vs. Frequency. 8 - Switching Threshold (V) V T Q - Charge Injection (pc) = V = 5 V Supply Voltage (V) Switching Threshold vs. Supply Voltage V COM - Analog Voltage (V) Charge Injection vs. Analog Voltage TEST CIRCUITS Logic Input Switch Input NO or NC V COM Switch Output R L 5 V OUT C L 5 pf Logic Input Switch Output V H V L V t ON 5 % t r < 5 ns t f < 5 ns.9 x V OUT t OFF C L (includes fixture and stray capacitance) R V OUT = V L COM R L + R ON Figure. Switching Time Logic "" = Switch On Logic input waveforms inverted for switches that have the opposite logic sense. Document Number: 7 S-85-Rev. D, -Jun- 5 THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

6 DG, DG TEST CIRCUITS Logic Input V H t r < 5 ns t f < 5 ns V NO NO COM V O V L V NC NC R L 5 C L 5 pf V NC = V NO V O 9 % Switch Output V t D t D C L (includes fixture and stray capacitance) Figure. Break-Before-Make Interval V gen + R gen V = - NC or NO COM V OUT C L = nf V OUT On V OUT Off On Q = V OUT x C L Figure. Charge Injection depends on switch configuration: input polarity determined by sense of switch. nf nf NC or NO COM COM R L Analyzer V COM Off Isolation = log V NO/ NC V,.4 V V,.4 V COM NC or NO Meter HP49A Impedance Analyzer or Equivalent f = MHz Figure 4. Off-Isolation Figure 5. Channel Off/On Capacitance 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 /ppg?7. Document Number: 7 S-85-Rev. D, -Jun- THE PRODUCTS DESCRIBED HERE AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT /doc?9

7 Package Information MSOP: LEADS JEDEC Part Number: MO-87, (Variation AA and BA) (N/) Tips) 5 N N- A B C X. E..48 Max Detail B (Scale: /) Dambar Protrusion.5. N/ Top View b.8 M C B S A S 7 b e See Detail B e A With Plating c c.5 BSC Parting Line L 4 Detail A (Scale: /) NOTES:. Die thickness allowable is..7.. Dimensioning and tolerances per ANSI.Y4.5M Dimensions D and E do not include mold flash or protrusions, and are measured at Datum plane -H-, mold flash or protrusions shall not exceed.5 mm per side. 4. Dimension is the length of terminal for soldering to a substrate. 5. Terminal positions are shown for reference only.. Formed leads shall be planar with respect to one another within. mm at seating plane. 7. The lead width dimension does not include Dambar protrusion. Allowable Dambar protrusion shall be.8 mm total in excess of the lead width dimension at maximum material condition. Dambar cannot be located on the lower radius or the lead foot. Minimum space between protrusions and an adjacent lead to be.4 mm. See detail B and Section C-C. 8. Section C-C to be determined at. mm to.5 mm from the lead tip. 9. Controlling dimension: millimeters. D Side View.95. This part is compliant with JEDEC registration MO-87, variation AA and BA.. Datums -A- and -B- to be determined Datum plane -H-.. Exposed pad area in bottom side is the same as teh leadframe pad size. A.7 R. Min Places Seating Plane. C Seating Plane Base Metal See Detail A A.5 S Section C-C Scale: / (See Note 8) ς E End View N = L MILLIMETERS Dim Min Nom Max Note A - -. A.5..5 A b b c. -. c..5.8 D. BSC E 4.9 BSC E.9.. e.5 BSC e. BSC L N 5 4 ECN: T-8 Rev. C, 5-Jul- DWG: 587 C C -H- -A- -C- -B- Document Number: 745 -Jul-

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