ADG721 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADG721
Manufacturer

ADI
ChipWorker Part#

CW389418556
Description

CMOS, Low Voltage, 4Ω Dual SPST Switch in 3mm × 2mm LFCSP
Documentation

Datasheet

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ADG721 Specifications

Attribute	Attribute Value

Part Number	ADG721
Manufacturer	ADI
ChipWorker Part#	CW389418556
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADG721, ADG722, and ADG723 are monolithic CMOS 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. The devices are packaged in both a tiny 3 mm × 2 mm LFCSP and an MSOP, making them ideal for space-constrained applications.
The ADG721, ADG722, and ADG723 are designed to operate from a single 1.8 V to 5.5 V supply, making them ideal for use in battery-powered instruments and with the new generation of DACs and ADCs from Analog Devices, Inc.
The ADG721, ADG722, and ADG723 contain two independent single-pole/single-throw (SPST) switches. The ADG721 and ADG722 differ only in that both switches are normally open and normally closed, respectively. In the ADG723, Switch 1 is normally open and Switch 2 is normally closed.
Each switch of the ADG721, ADG722, and ADG723 conducts equally well in both directions when on. The ADG723 exhibits break-before-make switching action.
**Product Highlights **
1. 1.8 V to 5.5 V single-supply operation.
2. Very low RON (4 Ω max at 5 V, 10 Ω max at 3 V).
3. Low on resistance flatness.
4. −3 dB bandwidth >200 MHz.
5. Low power dissipation. CMOS construction ensures low power dissipation.
6. 8-lead MSOP and 3 mm × 2 mm LFCSP.
**Applications**
USB 1.1 signal switching circuits
Cell phones
PDAs
Battery-powered systems
Communication systems
Sample hold systems
Audio signal routing
Video switching
Mechanical reed relay replacement
### Features and Benefits
1.8 V to 5.5 V single supply
Low on resistance flatness
−3 dB bandwidth
>200 MHz
Tiny package options
8-lead MSOP
3 mm × 2 mm LFCSP (A grade)
4 Ω (max) on resistance
Fast switching times
TON 20 ns
TOFF 10 ns
Low power consumption (<0.1 μW)
TTL/CMOS compatible

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