ADG784 - ADI

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

Part No

ADG784
Manufacturer

ADI
ChipWorker Part#

CW430791366
Description

CMOS 3V/5V, Wide Bandwidth Quad 2:1 Mux in Chip Scale
Documentation

Datasheet

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ADG784 Specifications

Attribute	Attribute Value

Part Number	ADG784
Manufacturer	ADI
ChipWorker Part#	CW430791366
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADG784 is a monolithic CMOS device comprising four 2:1 multiplexer/demultiplexers with high impedance outputs. The CMOS process provides low power dissipation yet gives high switching speed and low on resistance. The on-resistance variation is typically less than 0.5 Ω with an input signal ranging from 0 V to 5 V.
The bandwidth of the ADG784 is greater than 200 MHz and this, coupled with low distortion (typically 0.5%), makes the part suitable for switching fast ethernet signals.
The on-resistance profile is very flat over the analog input range ensuring excellent linearity and low distortion when switching audio signals. Fast switching speed, coupled with high signal bandwidth, also makes the part suitable for video signal switching. CMOS construction ensures ultralow power dissipation making the parts ideally suited for portable and battery powered instruments.
The ADG784 operates from a single 3.3 V/5 V supply and is TTL logic compatible. The control logic for each switch is shown in the Truth Table.
These switches conduct equally well in both directions when ON, and have an input signal range that extends to the supplies. In the OFF condition, signal levels up to the supplies are blocked. The ADG784 switches exhibit break-before-make switching action.
**Product Highlights**
1. Also Available as ADG774 in 16-Lead QSOP and SOIC.
2. Wide Bandwidth Data Rates >200 MHz.
3. Ultralow Power Dissipation.
4. Extended Signal Range. The ADG784 is fabricated on a CMOS process giving an increased signal range that fully extends to the supply rails.
5. Low Leakage over Temperature.
6. Break-Before-Make Switching. This prevents channel shorting when the switches are configured as a multiplexer.
7. Crosstalk is typically –70 dB @ 30 MHz.
8. Off isolation is typically –60 dB @ 10 MHz.
9. Available in Chip Scale Package (CSP).
**Applications**
100VG-AnyLAN
Token Ring 4 Mbps/16 Mbps
ATM25/155
NIC Adapter and Hubs
Audio and Video Switching
Relay Replacement
### Features and Benefits
Low Insertion Loss and On Resistance: 4 Ω Typical
On-Resistance Flatness <2 Ω
Bandwidth >200 MHz
Single 3 V/5 V Supply Operation
Rail-to-Rail Operation
Very Low Distortion: <1%
Low Quiescent Supply Current
(100 nA Typical)
Fast Switching Times
tON 10 ns
tOFF 4 ns
TTL/CMOS Compatible
For Functionally Equivalent Devices in 16-Lead QSOP/ SOIC Packages, see ADG774

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