Datasheet > CS5371A

CS5371A

更新时间： 2024-11-14 04:12:43

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
32页	511K
描述
Low-power, High-performance Modulators

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CS5371A 数据手册

CS5371A

CS5372A

Low-power, High-performance ∆Σ Modulators

Features

Description

The CS5371A and CS5372A are one- and two-channel,

high-dynamic-range, fourth-order ∆Σ modulators intend-

ed for geophysical and sonar applications. When

combined with CS3301A / CS3302A differential amplifi-

ers, the CS4373A test DAC and CS5376A digital filter, a

small, low-power, self-testing, high-accuracy, multi-

channel measurement system results.

Fourth-order ∆Σ Architecture

Clock-jitter-tolerant Architecture

Input Voltage: 5 V Fully Differential

Input Signal Bandwidth: DC to 2 kHz

High Dynamic Range

• 127 dB SNR @ 215 Hz BW (2 ms sampling)

• 124 dB SNR @ 430 Hz BW (1 ms sampling)

Low Total Harmonic Distortion

• -118 dB THD typical (0.000126%)

• -112 dB THD maximum (0.000251%)

Low Power Consumption

The modulators have high dynamic range and low total

harmonic distortion with very low power consumption.

They convert differential analog input signals from the

CS3301A / CS3302A amplifiers to an oversampled seri-

al bit stream at 512 kbits per second. This oversampled

bit stream is then decimated by the CS5376A digital filter

to a 24-bit output at the selected output word rate.

• Normal operation: 25 mW per channel

• Power down: 10 µW per channel

In normal operation, power consumption is 5 mA per

channel. Each modulator can be independently powered

down to 500 µA per channel, and by halting the input

clock they will enter a micro-power state using only 2 µA

per channel.

Small Footprint, 24-pin SSOP package

Multi-channel System Support

• 1-channel System: CS5371A

• 2-channel System: CS5372A

The CS5371A and CS5372A modulators are available in

small 24-pin SSOP packages, providing exceptional per-

formance in a very small footprint.

• 3-channel System: CS5371A + CS5372A

• 4-channel System: CS5372A + CS5372A

Bipolar Power Supply Configuration

• VA+ = +2.5 V; VA- = -2.5 V; VD = +3.3 V

ORDERING INFORMATION

See page 31.

VA+

PWDN

VA+

PWDN1

MFLAG1

MDATA1

INR1+

INF1+

INF1-

INR1-

4th Order

∆Σ Modulator

MFLAG

MDATA

INR+

INF+

INF-

INR-

4th Order

∆Σ Modulator

Clock

Generator

VREF+

VREF-

MCLK

MSYNC

INR2+

INF2+

INF2-

INR2-

MFLAG2

MDATA2

Clock

Generator

VREF+

VREF-

MCLK

MSYNC

4th Order

∆Σ Modulator

CS5371A

CS5372A

VA-

OFST

GND

VA-

PWDN2

OFST

GND

DEC ‘06

DS748F1

http://www.cirrus.com

12 3 4 5 6 7...32

中文翻译

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与CS5371A相关器件

型号	品牌	获取价格	描述	数据表
CS5371A_09	CIRRUS	获取价格	Low-power, High-performance ΔΣ Modulators
CS5371A-ISZ	CIRRUS	获取价格	Low-power, High-performance Modulators
CS5371-BS	CIRRUS	获取价格	LOW POWER HIGH PERFORMANCE MODULATORS
CS5371-BSZ	CIRRUS	获取价格	Low-power, High-performance ΔΣ Modulators
CS5372	CIRRUS	获取价格	LOW POWER HIGH PERFORMANCE MODULATORS
CS5372A	CIRRUS	获取价格	Low-power, High-performance Modulators
CS5372A-ISZ	CIRRUS	获取价格	Low-power, High-performance Modulators
CS5372-BS	CIRRUS	获取价格	LOW POWER HIGH PERFORMANCE MODULATORS
CS5372-BSZ	CIRRUS	获取价格	Low-power, High-performance ΔΣ Modulators
CS5373A	CIRRUS	获取价格	Low-power, High-performance Modulator and Test DAC

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