ADG444BR - Analog Devices Inc.

Manufacturer Part Number

ADG444BR

Manufacturer

Analog Devices

Introduction

The ADG444BR is an obsolete interface component designed for various multiplexing and switching applications.

Product Features and Performance

SPST - NC switch circuit

4 independent switch channels

On-State Resistance of 70Ohm maximum

Supports single supply voltage of 12V

Supports dual supply voltage of ±15V

Fast switching times with Ton max 110ns and Toff max 60ns

Low charge injection of 1pC

Channel-off capacitance of 4pF

Ultra-low leakage current of 500pA max at IS(off)

High crosstalk rejection of -100dB at 1MHz

Product Advantages

Efficient multi-channel switching in compact form

High-speed switching suitable for communication systems

Low power dissipation due to low on-state resistance

Minimal charge injection for accurate signal handling

High precision with low crosstalk for reduced signal interference

Key Technical Parameters

Number of Circuits: 4

Voltage - Supply, Single (V+): 12V

Voltage - Supply, Dual (V±): ±15V

Switch Time (Ton/Toff) (Max): 110ns/60ns

Current - Leakage (IS(off)) (Max): 500pA

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Built to operate reliably in a wide temperature range from −40°C to +85°C

Compatibility

Compatible with 16-SOIC (0.154", 3.90mm Width) surface mount

Application Areas

Designed for analog signal multiplexing and demultiplexing

Useful in communication systems, data acquisition systems and signal routing applications

Product Lifecycle

Status: Obsolete

Replacements or upgrades may be limited, and future support for the product might be minimal

Several Key Reasons to Choose This Product

Obsolete but preferred for legacy systems requiring specific interface components

Robust performance in a variety of electronic applications

Suitability for complex signal routing tasks due to high channel integrity

Ease of integration in surface-mounted technology applications

Long-standing reliability in operating within specified electrical and thermal ranges

Consistency in performance across all switch channels