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Part Number / Product Name

AD7724

Brand: ANALOG DEVICES

Quantity

Product Information

AD7724 (ANALOG DEVICES)

Brand:

ANALOG DEVICES

Part Number/ Model Number:

AD7724

Lead Time:

AVAILABLE

Quantity in Stock:

AVAILABLE

Description

Analog Devices AD7724 Dual, 7th Order, Sigma-Delta Modulator

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Introduction

The AD7724 is a dual 7th-order, sigma-delta modulator - it's dual version of the AD7720. Its SNR performance is 90 dB over a 90 kHz bandwidth. The part operates from a 5 V supply and accepts a differential input range of 0 V to 2.5 V or ±1.25 V centered about a common-mode bias. The analog inputs are continuously sampled by the analog modulators, eliminating the need for external sample and hold circuitry. The input information is contained in the output stream as a density of ones. The original information can be reconstructed with an appropriate digital filter. The part provides an accurate on-chip 2.5 V reference. A reference input/output function is provided to allow either the internal reference or an external system reference to be used as the reference source for the part.

Features

0 V to +2.5 V or +/-1.25 V Input Range

13 MHz Master Clock Frequency

48-Lead LQFP

90 dB Dynamic Range

Logic Outputs 3 V/5 V Compatible

On-Chip 2.5 V Voltage Reference

Power Supplies: AVDD, DVDD: 5 V +/- 5%; DVDD1: 3 V +/- 5%

Single Bit Output Stream

AD7724 (ANALOG DEVICES)

Analog Devices AD7724 Dual, 7th Order, Sigma-Delta Modulator

Features

Specifications