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AD7939 Datasheet 12-Bit and 10-Bit Parallel ADCs

Manufacturer: Analog Devices

Download the AD7939 datasheet PDF. This datasheet also includes the AD7938 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD7938-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

General Description

The AD7938/AD7939 are 12-bit and 10-bit, high speed, low power, successive approximation (SAR) analog-to-digital converters (ADCs).

The parts operate from a single 2.7 V to 5.25 V power supply and

Overview

Data Sheet 8-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer.

Key Features

  • Throughput rate: 1.5 MSPS Specified for VDD of 2.7 V to 5.25 V Power consumption 6 mW maximum at 1.5 MSPS with 3 V supplies 13.5 mW maximum at 1.5 MSPS with 5 V supplies 8 analog input channels with a sequencer Software-configurable analog inputs 8-channel single-ended inputs 4-channel fully differential inputs 4-channel pseudo differential inputs 7-channel pseudo differential inputs Accurate on-chip 2.5 V reference ±0.2% maximum @ 25°C, 25 ppm/°C maximum 69 dB SINAD at 50 kHz input frequency No.