CS5451-BS

CS5451-BS概述

ADC Single Delta-Sigma 16Bit Serial 28Pin SSOP

Description

The CS5451 is a highly integrated Delta-Sigma ∆ΣAn alog-to-Digital Converter ADC developed for the Power

Measurement Industry. The CS5451 combines six ∆Σ ADCs, decimation filters, and a serial interface on a single chip. The CS5451 interfaces directly to a current transformer or shunt to measure current, and resistive divider or transformer to measure voltage. The product features a serial interface for communication with a micro-controller or DSP. The product is initialized and fully functional upon reset, and includes a Voltage Reference.

Features

Synchronous Sampling

On-chip 1.2 V Reference 25 ppm/°C typ

Power Supply Configurations:

  –VA+ = +3 V; VA- = -2 V; VD+ = +3 V

  –Supply tolerances ±10%

Power Consumption

  –20 mW Typical at VD+ = +3 V

Simple Four-wire Serial Interface

Charge Pump Driver output generates negative power supply.

Ground-Referenced Bipolar Inputs

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