|Category||Analog & Mixed-Signal Processing => Switches & Multiplexers => Analog Switches|
|Description||5 Ohm, Quad SPST (4NC) Switch|
|Datasheet||Download ADG451 datasheet
|Cross ref.||Similar parts: MAX312, MAX4664, ISL43140IR|
FEATURES Low On Resistance ) On Resistance Flatness 44 V Supply Maximum Ratings 15 V Analog Signal Range Fully Specified 15 V Ultralow Power Dissipation (18 W) ESD 2 kV Continuous Current 100 mA Fast Switching Times ns t OFF 60 ns TTL/CMOS Compatible Pin Compatible Upgrade for ADG411/ADG412/ADG413 and ADG431/ADG432/ADG433 APPLICATIONS Relay Replacement Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Battery Powered Systems Sample Hold Systems Communication Systems PBX, PABX Systems Avionics GENERAL DESCRIPTION
The ADG451, ADG452 and ADG453 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2MOS process that provides low power dissipation yet gives high switching speed and low on resistance. The on resistance profile is very flat over the full analog input range ensuring excellent linearity and low distortion when switching audio signals. Fast switching speed coupled with high signal bandwidth also make the parts suitable for video signal switching. CMOS construction ensures ultralow power dissipation making the parts ideally suited for portable and battery powered instruments. The ADG451, ADG452 and ADG453 contain four independent single-pole/single-throw (SPST) switches. The ADG451 and ADG452 differ only in that the digital control logic is inverted. The ADG451 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG452. The ADG453 has two switches with digital control logic similar to that of the ADG451 while the logic is inverted on the other two switches. Each switch conducts equally well in both directions when ON and has an input signal range which extends to the supplies. In the OFF condition, signal levels up to the supplies are blocked. REV. A
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The ADG453 exhibits break-before-make switching action for use in multiplexer applications. Inherent in the design is low charge injection for minimum transients when switching the digital inputs. 1. Low RON (5 max) 2. Ultralow Power Dissipation 3. Extended Signal Range The ADG451, ADG452 and ADG453 are fabricated on an enhanced LC2MOS process giving an increased signal range that fully extends to the supply rails. 4. Break-Before-Make Switching This prevents channel shorting when the switches are configured as a multiplexer. (ADG453 only.) 5. Single Supply Operation For applications where the analog signal is unipolar, the ADG451, ADG452 and ADG453 can be operated from a single rail power supply. The parts are fully specified with a single +12 V power supply and will remain functional with single supplies as low V. 6. Dual Supply Operation For applications where the analog signal is bipolar, the ADG451, ADG452 and ADG453 can be operated from a dual power supply ranging from 20 V.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1998
Parameter ANALOG SWITCH Analog Signal Range On-Resistance (RON) On-Resistance Match Between Channels (RON) On-Resistance Flatness (RFLAT(ON)) LEAKAGE CURRENTS2 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 DYNAMIC CHARACTERISTICS3 tON tOFF Break-Before-Make Time Delay, tD (ADG453 Only) Charge Injection OFF Isolation Channel-to-Channel Crosstalk CS (OFF) CD (OFF) CD, CS (ON) POWER REQUIREMENTS IDD ISS IGND3 µA typ µA max µA typ µA max µA typ µA max µA typ µA max+15 V, VSS +5 V, GND 0 V. All specifications TMIN to TMAX unless otherwise noted.)
VIN = VINL or VINH, All Others 0.8 V Respectively = 35 pF; 10 V; Test Circuit = 35 pF; 10 V; Test Circuit = 35 pF; +10 V; Test Circuit = 1.0 nF; Test Circuit = 5 pF, = 1 MHz; Test Circuit = 5 pF, = 1 MHz; Test Circuit MHz = 1 MHz = 1 MHz VDD +16.5 V, VSS 16.5 V Digital Inputs 5 V
NOTES 1 Temperature range is as follows: B Version: +85°C. 2 TMAX +70°C. 3 Guaranteed by design, not subject to production test. Specifications subject to change without notice.
Parameter ANALOG SWITCH Analog Signal Range On-Resistance (RON) On-Resistance Match Between Channels (RON) On-Resistance Flatness (RFLAT(ON)) LEAKAGE CURRENTS2, 3 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 DYNAMIC CHARACTERISTICS4 tON tOFF Break-Before-Make Time Delay, tD (ADG453 Only) Charge Injection Channel-to-Channel Crosstalk CS (OFF) CD (OFF) CD, CS (ON) POWER REQUIREMENTS IDD IGND4 µA typ µA max µA typ µA max µA typ µA max+12 V, VSS +5 V, GND 0 V. All specifications TMIN to TMAX unless otherwise noted.)
10 V; Test Circuit 10 V; Test Circuit 10 V; Test Circuit 3
NOTES 1 Temperature range is as follows: B Version: to +85 °C. 2 TMAX +70°C. 3 Tested with dual supplies. 4 Guaranteed by design, not subject to production test. Specifications subject to change without notice.
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