AD637SQ/883B - Analog Devices Inc.

Manufacturer Part Number

AD637SQ/883B

Manufacturer

Analog Devices, Inc.

Introduction

The AD637 is a high-precision, wideband true RMS-to-DC converter integrated circuit. It is designed to accurately convert any complex waveform to a DC voltage proportional to the true RMS value of the input.

Product Features and Performance

Wide input voltage range of ±3V to ±18V

Operates with supply currents as low as 2.2mA

Guaranteed linear operation to 1MHz

True RMS response to any input waveform

Accuracy of ±0.2% max, gain drift of ±50ppm/°C

Extremely low input offset voltage and bias current

Very low output noise

Product Advantages

Excellent true RMS accuracy

Wide dynamic range and bandwidth

Low power consumption

Small size and easy to use

Key Technical Parameters

Voltage Supply Range: ±3V to ±18V

Supply Current: 2.2mA

Bandwidth: 1MHz

Accuracy: ±0.2%

Gain Drift: ±50ppm/°C

Quality and Safety Features

Compliant with RoHS3 directive

14-CERDIP package for high reliability

Compatibility

Compatible with a variety of electronic systems and applications

Application Areas

Audio/video equipment

Power measurement

Test and measurement equipment

Industrial process control

Product Lifecycle

The AD637 is an established product that is not nearing discontinuation.

Replacement or upgrade options are available from Analog Devices.

Key Reasons to Choose This Product

Excellent true RMS accuracy and wide dynamic range

Low power consumption and small size

High reliability and long-term availability

Wide range of compatible applications