<1 Ω CMOS, 1.8 V to 5.5 V, Dual SPST Switches ADG821/ADG822/ADG823 FUNCTIONAL BLOCK DIAGRAMS 0.8 Ω maximum on resistance @ 125°C 0.3 Ω maximum on resistance flatness @ 125°C 1.8 V to 5.5 V single supply 200 mA current carrying capability Automotive temperature range: −40°C to +125°C Rail-to-rail operation 8-lead MSOP 33 ns switching times Typical power consumption: <0.01 μW TTL-/CMOS-compatible inputs Pin-compatible with the ADG721/ADG722/ADG723 ADG821 ADG822 S1 S1 IN1 IN1 D1 D1 D2 D2 IN2 IN2 SWITCHES SHOWN FOR A LOGIC 0 INPUT. S2 02851-001 S2 SWITCHES SHOWN FOR A LOGIC 0 INPUT. Figure 1. 02851-002 FEATURES Figure 2. ADG823 APPLICATIONS S1 Power routing Battery-powered systems Communication systems Data acquisition systems Audio and video signal routing Cellular phones Modems PCMCIA cards Hard drives Relay replacement IN1 D1 D2 IN2 SWITCHES SHOWN FOR A LOGIC 0 INPUT. 02851-003 S2 Figure 3. GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The ADG821/ADG822/ADG823 are monolithic CMOS singlepole, single-throw (SPST) switches. These switches are designed on an advanced submicron process that provides low power dissipation, yet gives high switching speed, low on resistance, and low leakage currents. 1. 2. 3. 4. 5. The ADG821/ADG822/ADG823 are designed to operate from a single 1.8 V to 5.5 V supply, making them ideal for use in battery-powered instruments. 6. Very Low On Resistance: 0.5 Ω typ. On Resistance Flatness (RFLAT(ON)): 0.15 Ω typ. Automotive Temperature Range: −40°C to +125°C. Current Carrying Capability: 200 mA. Low Power Dissipation. CMOS construction ensures low power dissipation. 8-Lead MSOP. Each switch of the ADG821/ADG822/ADG823 conducts equally well in both directions when on. The ADG821/ ADG822/ADG823 contain two independent SPST switches. The ADG821 and ADG822 differ only in that both switches are normally open and normally closed, respectively. In the ADG823, Switch 1 is normally open and Switch 2 is normally closed. The ADG823 exhibits break-before-make switching action. The ADG821/ADG822/ADG823 are available in an 8-lead MSOP. Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2002–2008 Analog Devices, Inc. All rights reserved. ADG821/ADG822/ADG823 TABLE OF CONTENTS Features .............................................................................................. 1 ESD Caution...................................................................................5 Applications ....................................................................................... 1 Pin Configuration and Function Descriptions..............................6 Functional Block Diagrams ............................................................. 1 Typical Performance Characteristics ..............................................7 General Description ......................................................................... 1 Test Circuits ........................................................................................9 Product Highlights ........................................................................... 1 Terminology .................................................................................... 11 Revision History ............................................................................... 2 Outline Dimensions ....................................................................... 12 Specifications..................................................................................... 3 Ordering Guide .......................................................................... 12 Absolute Maximum Ratings............................................................ 5 REVISION HISTORY 4/08—Rev. 0 to Rev. A Updated Format .................................................................. Universal Added Table 6.................................................................................... 6 Updated Outline Dimensions ....................................................... 12 Changes to Ordering Guide .......................................................... 12 8/02—Revision 0: Initial Version Rev. A | Page 2 of 12 ADG821/ADG822/ADG823 SPECIFICATIONS VDD = 5 V ± 10%, GND = 0 V; TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter ANALOG SWITCH Analog Signal Range On Resistance (RON) On Resistance Match Between Channels (ΔRON) On Resistance Flatness (RFLAT(ON)) LEAKAGE CURRENTS Source Off Leakage, IS (Off ) Drain Off Leakage, ID (Off ) Channel On Leakage, ID, IS (On) DIGITAL INPUTS Input High Voltage, VINH Input Low Voltage, VINL Input Current IINL or IINH Digital Input Capacitance, CIN DYNAMIC CHARACTERISTICS 2 tON tOFF Break-Before-Make Time Delay, tBBM (ADG823 Only) Charge Injection Off Isolation Channel-to-Channel Crosstalk Bandwidth −3 dB CS (Off ) CD (Off ) CD, CS (On) POWER REQUIREMENTS IDD 25°C −40°C to +85°C 0 V to VDD 0.5 0.6 0.16 0.2 0.15 0.23 ±0.01 ±0.25 ±0.01 ±0.25 ±0.01 ±0.25 0.7 0.8 0.25 0.28 0.26 0.3 2 V Ω typ Ω max Ω typ Ω max Ω typ Ω max Test Conditions/Comments VS = 0 V to VDD, IS = 100 mA, see Figure 17 VS = 0 V to VDD, IS = 100 mA VS = 0 V to VDD, IS = 100 mA VDD = 5.5 V VS = 4.5 V/1 V, VD = 1 V/4.5 V, see Figure 18 ±3 ±25 ±3 ±25 ±3 ±25 2.0 0.8 V min V max μA typ μA max pF typ VIN = VINL or VINH ±0.1 ns typ ns max ns typ ns max ns typ ns min pC typ dB typ dB typ MHz typ pF typ pF typ pF typ RL = 50 Ω, CL = 35 pF, VS = 3 V, see Figure 20 0.005 4 33 45 11 16 32 Unit nA typ nA max nA typ nA max nA typ nA max 48 52 19 21 1 15 −52 −82 24 85 98 230 0.001 1.0 1 −40°C to +125°C 1 2.0 On resistance parameters tested with IS = 10 mA. Guaranteed by design, not subject to production test. Rev. A | Page 3 of 12 μA typ μA max VS = 4.5 V/1 V, VD = 1 V/4.5 V, see Figure 18 VS = VD = 1 V, or VS = VD = 4.5 V, see Figure 19 RL = 50 Ω, CL = 35 pF, VS = 3 V, see Figure 20 RL = 50 Ω, CL = 35 pF, VS1 = VS2 = 3 V, see Figure 21 VS = 2.5 V; RS = 0 Ω, CL = 1 nF, see Figure 22 RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 23 RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 24 RL = 50 Ω, CL = 5 pF, see Figure 25 f = 1 MHz f = 1 MHz f = 1 MHz VDD = 5.5 V, digital inputs = 0 V or 5.5 V ADG821/ADG822/ADG823 VDD = 2.7 V to 3.6 V, GND = 0 V, TA = −40°C to +125°C, unless otherwise noted. Table 2. Parameter ANALOG SWITCH Analog Signal Range On Resistance (RON) On Resistance Match Between Channels (ΔRON) On Resistance Flatness (RFLAT(ON)) LEAKAGE CURRENTS Source Off Leakage, IS (Off ) Drain Off Leakage, ID (Off ) Channel On Leakage, ID, IS (On) DIGITAL INPUTS Input High Voltage, VINH Input Low Voltage, VINL Input Current IINL or IINH Digital Input Capacitance, CIN DYNAMIC CHARACTERISTICS 2 tON tOFF Break-Before-Make Time Delay, tBBM (ADG823 Only) Charge Injection Off Isolation Channel-to-Channel Crosstalk Bandwidth −3 dB CS (Off ) CD (Off ) CD, CS (On) POWER REQUIREMENTS IDD 25°C −40°C to +85°C 0 V to VDD 0.7 1.4 0.16 0.2 0.3 ±0.01 ±0.25 ±0.01 ±0.25 ±0.01 ±0.25 1.5 1.6 0.25 0.28 0.33 2 V Ω typ Ω max Ω typ Ω max Ω typ Test Conditions/Comments VS = 0 V to VDD, IS = 100 mA, see Figure 17 VS = 0 V to VDD, IS = 100 mA VS = 0 V to VDD, IS = 100 mA VDD = 3.6 V VS = 3.3 V/1 V, VD = 1 V/3.3 V, see Figure 18 ±15 ±3 ±25 ±3 ±25 nA typ nA max nA typ nA max nA typ nA max 2.0 0.8 V min V max VIN = VINL or VINH ±0.1 μA typ μA max pF typ ns typ ns max ns typ ns max ns typ ns min pC typ dB typ dB typ MHz typ pF typ pF typ pF typ RL = 50 Ω, CL = 35 pF, VS = 1.5 V, see Figure 20 0.005 4 48 67 12 18 40 Unit ±3 74 78 20 23 1 ±2 −52 −82 24 85 98 230 0.001 1.0 1 −40°C to +125°C 1 2.0 On resistance parameters tested with IS = 10 mA. Guaranteed by design, not subject to production test. Rev. A | Page 4 of 12 μA typ μA max VS = 3.3 V/1 V, VD = 1 V/3.3 V, see Figure 18 VS = VD = 1 V, or 3.3 V, see Figure 19 RL = 50 Ω, CL = 35 pF, VS = 1.5 V, see Figure 20 RL = 50 Ω, CL = 35 pF, VS1 = VS2 = 1.5 V, see Figure 21 VS = 1.5 V; RS = 0 Ω, CL = 1 nF, see Figure 22 RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 23 RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 24 RL = 50 Ω, CL = 5 pF, see Figure 25 f = 1 MHz f = 1 MHz f = 1 MHz VDD = 3.6 V, digital inputs = 0 V or 3.6 V ADG821/ADG822/ADG823 ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 3. Parameter VDD to GND Analog Inputs1 Digital Inputs1 Peak Current, S or D Continuous Current, S or D Operating Temperature Range Automotive Storage Temperature Range Junction Temperature (TJ max) Package Power Dissipation 8-Lead MSOP Thermal Impedance θJA θJC Lead Temperature, Soldering (10 sec) IR Reflow, Peak Temperature (<20 sec) 1 Rating −0.3 V to +7 V −0.3 V to VDD + 0.3 V or 30 mA, whichever occurs first −0.3 V to VDD + 0.3 V or 30 mA, whichever occurs first 400 mA (pulsed at 1 ms, 10% duty cycle maximum) 200 mA −40°C to +125°C −65°C to +150°C 150°C (TJ max − TA)/θJA Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 4. Truth Table for the ADG821/ADG822 ADG821 INx 0 1 ADG822 INx 1 0 Switch x Condition Off On Table 5. Truth Table for the ADG823 IN1 0 0 1 1 206°C/W 44°C/W 300°C IN2 0 1 0 1 ESD CAUTION 235°C Overvoltages at IN, S, or D are clamped by internal diodes. Current should be limited to the maximum ratings given. Rev. A | Page 5 of 12 Switch S1 Off Off On On Switch S2 On Off On Off ADG821/ADG822/ADG823 S1 1 D1 2 IN2 3 GND 4 ADG821/ ADG822/ ADG823 TOP VIEW (Not to Scale) 8 VDD 7 IN1 6 D2 5 S2 02851-004 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Figure 4. Pin Configuration Table 6. Pin Function Descriptions Pin No. 1 2 3 4 5 6 7 8 Mnemonic S1 D1 IN2 GND S2 D2 IN1 VDD Description Source Terminal. This pin can be an input or output. Drain Terminal. This pin can be an input or output. Logic Control Input. Ground (0 V) Reference. Source Terminal. This pin can be an input or output. Drain Terminal. This pin can be an input or output. Logic Control Input. Most Positive Power Supply Potential. Rev. A | Page 6 of 12 ADG821/ADG822/ADG823 TYPICAL PERFORMANCE CHARACTERISTICS 0.8 0.8 TA = 25°C VDD = 2.7V 0.7 0.7 VDD = 3.0V +125°C VDD = 3.3V ON RESISTANCE (Ω) ON RESISTANCE (Ω) +85°C 0.6 0.6 VDD = 4.5V 0.5 0.4 0.3 VDD = 5.0V 0.5 0.4 +25°C 0.3 –40°C 0.2 0.2 VDD = 5.5V 0.1 0.1 0 0 1 2 3 VD, VS (V) 4 5 0 Figure 5. On Resistance vs. VD, VS 1.0 1.5 VD, VS (V) 2.0 2.5 3.0 Figure 8. On Resistance vs. VD, VS for Different Temperatures, VDD = 3 V 5.0 8 TA = 25°C VDD = 5V, 3V 4.5 7 4.0 6 3.5 VDD = 1.8V CURRENT (nA) 3.0 2.5 2.0 1.5 IS, ID (ON) 5 4 ID (OFF) 3 2 1 1.0 0.5 0 0 –1 0 0.2 0.4 0.6 0.8 1.0 VD, VS (V) 1.2 1.4 1.6 1.8 02851-006 IS (OFF) 0 Figure 6. On Resistance vs. VD, VS; VDD = 1.8 V 20 40 60 80 TEMPERATURE (°C) 100 120 125 02851-009 ON RESISTANCE (Ω) 0.5 02851-008 0 02851-005 VDD = 3V Figure 9. Leakage Current vs. Temperature 0.8 200 TA = 25°C VDD = 5V 0.7 150 +125°C CHARGE INJECTION (pC) ON RESISTANCE (Ω) 0.6 +85°C 0.5 0.4 0.3 +25°C 0.2 100 50 VDD = 3V 0 VDD = 5V –50 –100 –40°C 0.1 0 0.5 1.0 1.5 2.0 2.5 3.0 VD, VS (V) 3.5 4.0 4.5 5.0 Figure 7. On Resistance vs. VD, VS for Different Temperatures, VDD = 5 V Rev. A | Page 7 of 12 –200 0 0.5 1.0 1.5 2.0 2.5 3.0 VS (V) 3.5 4.0 Figure 10. Charge Injection vs. Source Voltage 4.5 5.0 02851-010 0 02851-007 –150 ADG821/ADG822/ADG823 60 –10 TA = 25°C –20 VDD = 3V 50 ATTENUATION (dB) –30 TIME (ns) 40 VDD = 5V tON 30 20 VDD = 3V, 5V tOFF –40 –50 –60 –70 –80 –90 10 –20 0 20 40 60 TEMPERATURE (°C) 80 100 120 –110 02851-011 0 –40 0.1 Figure 11. tON/tOFF vs. Temperature 1.8 VDD = 3V, 5V TA = 25°C 1.6 LOGIC THRESHOLD VOLTAGE (V) –20 –30 –40 –50 –60 1.4 1.2 VIN RISING 1.0 VIN FALLING 0.8 0.6 0.4 0.2 1 10 FREQUENCY (MHz) 100 0 02851-012 –70 0.2 0 Figure 12. Off Isolation vs. Frequency 1 2 3 VDD (V) 4 5 6 Figure 15. Logic Threshold Voltage vs. Supply Voltage 0 0.050 –1 0.045 VS = 5V V p-p = 2V RL = 600Ω 0.040 –2 0.035 THD (%) –3 –4 –5 0.030 0.025 0.020 –6 0.015 –7 0.010 0.005 1 FREQUENCY (MHz) 10 100 02851-013 –8 V = 3V, 5V DD TA = 25°C –9 0.1 20 100 1k FREQUENCY (Hz) Figure 16. THD vs. Frequency Figure 13. On Response vs. Frequency Rev. A | Page 8 of 12 10k 02851-016 ATTENUATION (dB) 100 Figure 14. Crosstalk vs. Frequency –10 ATTENUATION (dB) 10 02851-015 0 1 FREQUENCY (MHz) 02851-014 –100 ADG821/ADG822/ADG823 TEST CIRCUITS IDS V1 D A VD VS Figure 17. On Resistance S NC 02851-018 RON = V1/IDS ID (ON) ID (OFF) S A 02851-017 VS D D NC = NO CONNECT Figure 18. Off Leakage A VD Figure 19. On Leakage VDD 0.1µF VIN ADG821 50% 50% VIN ADG822 50% 50% VDD S VS VOUT D CL 35pF RL 50Ω IN 90% VOUT 90% tOFF tON 02851-020 GND Figure 20. Switching Times VDD VIN 0.1µF VDD VIN D1 S2 D2 VOUT1 RL2 50Ω IN1, IN2 CL2 35pF RL1 50Ω VOUT2 CL1 35pF VOUT1 90% 90% 0V 90% VOUT2 90% 0V GND tBBM tBBM Figure 21. Break-Before-Make Time Delay, tBBM (ADG823 only) VDD VDD RS S SW ON D SW OFF VOUT VIN VS CL 1nF IN GND VOUT QINJ = CL × ΔVOUT Figure 22. Charge Injection Rev. A | Page 9 of 12 ΔVOUT 02851-021 VS2 S1 50% 02851-022 VS1 50% 0V 02851-019 IS (OFF) S ADG821/ADG822/ADG823 VDD VDD 0.1µF 0.1µF NETWORK ANALYZER VDD S S 50Ω 50Ω VIN RL 50Ω GND VOUT VIN VOUT VS Figure 23. Off Isolation 0.1µF NETWORK ANALYZER VDD S1 D S2 IN CHANNEL-TO-CHANNEL CROSSTALK = 20 log R 50Ω GND VOUT VS 02851-024 VS INSERTION LOSS = 20 log Figure 24. Channel-to-Channel Crosstalk Rev. A | Page 10 of 12 VOUT VOUT WITH SWITCH VOUT WITHOUT SWITCH Figure 25. Bandwidth VDD 50Ω RL 50Ω GND 02851-023 OFF ISOLATION = 20 log RL 50Ω VS D D VOUT 50Ω IN VS 02851-025 IN NETWORK ANALYZER VDD ADG821/ADG822/ADG823 TERMINOLOGY VDD Most positive power supply potential. IINL (IINH) Input current of the digital input. GND Ground (0 V) reference. CS (Off) Off switch source capacitance. IDD Positive supply current. CD (Off) Off switch drain capacitance. S Source terminal. May be an input or output. CD, CS (On) On switch capacitance. D Drain terminal. May be an input or output. tON Delay between applying the digital control input and the output switching on. IN Logic control input. tOFF Delay between applying the digital control input and the output switching off. RON Ohmic resistance between Terminal D and Terminal S. tBBM Off time or on time measured between the 90% points of both switches, when switching from one address state to another. ΔRON On resistance match between any two channels (that is, RON max − RON min). RFLAT(ON) Flatness is defined as the difference between the maximum and minimum value of on resistance as measured over the specified analog signal range. Charge Injection Charge injection is a measure of the glitch impulse transferred from the digital input to the analog output during switching. IS (Off) Source leakage current with the switch off. Crosstalk Crosstalk is a measure of unwanted signal that is coupled through from one channel to another as a result of parasitic capacitance. ID (Off) Drain leakage current with the switch off. Off Isolation A measure of unwanted signal coupling through an off switch. ID, IS (On) Channel leakage current with the switch on. Bandwidth The frequency at which the output is attenuated by −3 dBs. VD, VS Analog voltage on Terminal D and Terminal S. On Response The frequency response of the on switch. VINL Maximum input voltage for Logic 0. Insertion Loss The loss due to the on resistance of the switch. VINH Minimum input voltage for Logic 1. Rev. A | Page 11 of 12 ADG821/ADG822/ADG823 OUTLINE DIMENSIONS 3.20 3.00 2.80 8 3.20 3.00 2.80 5 1 5.15 4.90 4.65 4 PIN 1 0.65 BSC 0.95 0.85 0.75 1.10 MAX 0.15 0.00 0.38 0.22 COPLANARITY 0.10 0.23 0.08 8° 0° 0.80 0.60 0.40 SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-187-AA Figure 26. 8-Lead Mini Small Outline Package [MSOP] (RM-8) Dimensions shown in millimeters ORDERING GUIDE Model ADG821BRM ADG821BRM-REEL ADG821BRMZ 1 ADG821BRMZ-REEL71 ADG822BRM ADG822BRM-REEL ADG822BRM-REEL7 ADG822BRMZ1 ADG822BRMZ-REEL71 ADG823BRM ADG823BRM-REEL ADG823BRMZ1 ADG823BRMZ-REEL71 1 Temperature Range −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C −40°C to +125°C Package Description 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] 8-Lead Mini Small Outline Package [MSOP] Z = RoHS Compliant Part, # denotes RoHS compliant product may be top or bottom marked. ©2002–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D02851-0-4/08(A) Rev. A | Page 12 of 12 Package Option RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 Branding SQB SQB S0P S0P SRB SRB SRB S1J S1J SSB SSB SSB# SSB#