CS5373A

更新时间： 2024-09-26 04:12:43

品牌	Logo	应用领域
凌云 - CIRRUS		测试
页数	文件大小	规格书
40页	825K
描述
Low-power, High-performance Modulator and Test DAC

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CS5373A 数据手册

CS5373A

Low-power, High-performance ∆Σ Modulator and Test DAC

Modulator Features

Description

The CS5373A is a high-performance, fourth-order ∆Σ

modulator integrated with a ∆Σ digital-to-analog convert-

er (DAC). When combined with a CS3301A / CS3302A

differential amplifier and the CS5378 digital filter, a

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

channel measurement system results.

z Fourth-order ∆Σ Architecture

• Clock-jitter-tolerant architecture

• Input signal bandwidth: DC to 2 kHz

• Max AC amplitude: 5 V differential

• Max DC amplitude: ± 2.5 V differential

z High Dynamic Range

The modulator has high dynamic range and low total har-

monic distortion with very low power consumption. It

converts differential analog input signals from the

CS3301A / CS3302A amplifier to an oversampled serial

bit stream at 512 kbits per second. This oversampled bit

stream is then decimated by the CS5378 digital filter to a

24-bit output at the selected output word rate.

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

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

z Low Total Harmonic Distortion

• -118 dB THD typical (0.000126%)

• -112 dB THD maximum (0.000251%)

z Low Power Consumption: 25 mW, 10 µW

The test DAC operates in either AC or DC test modes.

AC test modes measure system dynamic performance

through THD and CMRR tests while DC test modes are

for gain calibration and pulse tests. It has two sets of dif-

ferential analog outputs, OUT and BUF, as dedicated

outputs for testing the electronics channel and for in-

circuit sensor tests. Output attenuation settings are

binary weighted and match the gain settings of the

CS3301A / CS3302A differential amplifiers for full-scale

testing at all gain ranges.

Test DAC Features

z Digital ∆Σ Input from CS5378 Digital Filter

z Selectable Differential Analog Outputs

• Precision output (OUT±) for electronics tests

• Buffered output (BUF±) for sensor tests

z Multiple AC and DC Operational Modes

• Output signal bandwidth: DC to 100 Hz

• Max AC amplitude: 5 V differential

• Max DC amplitude: + 2.5 V differential

ORDERING INFORMATION

z Selectable Attenuation for CS3301A / CS3302A

See page 39.

• 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64

z Outstanding Performance

VA+

VREF+ VREF-

• AC (OUT): -116 dB THD typical, -112 dB max

• AC (BUF): -108 dB THD typical, -90 dB max

• DC absolute accuracy: 0.4% typical, 1% max

INR+

INF+

INF-

INR-

MDATA

MFLAG

MCLK

24-Bit

∆Σ

Modulator

z Low Power Consumption

Clock

Generator

• AC modes / DC modes: 40 mW / 20 mW

• Sleep mode / Power down: 1 mW / 10 µW

MSYNC

OUT+

OUT-

BUF+

BUF-

Common Features

TDATA

24-Bit

∆Σ

Test DAC

Attenuator

1/1 to 1/64

z Extremely Small Footprint

CAP+

CAP-

• 28-pin SSOP package, 8 mm x 10 mm

z Bipolar Power Supply Configuration

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

VA-

ATT(0, 1, 2)

MODE(0, 1, 2)

GND

DEC ‘06

DS703F1

http://www.cirrus.com

12 3 4 5 6 7...40

中文翻译

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与CS5373A相关器件

型号	品牌	获取价格	描述	数据表
CS5373A-IS	CIRRUS	获取价格	D/A Converter, 1 Func, Serial Input Loading, PDSO28, MO-150, SSOP-28
CS5373A-ISZ	CIRRUS	获取价格	Low-power, High-performance Modulator and Test DAC
CS5374	CIRRUS	获取价格	Dual High-performance Amplifier & ΔΣ Modulato
CS5374_0910	CIRRUS	获取价格	Dual High-performance Amplifier & ΔΣ Modulato
CS5374-CNZ	CIRRUS	获取价格	Dual High-performance Amplifier & ΔΣ Modulato
CS5376	ETC	获取价格	CS5376 Rev. A Errata\|Geophysical\|A/D Converters
CS5376A	CIRRUS	获取价格	LOW POWER MULTI CHANNEL DECIMATION FILTER
CS5376A_05	CIRRUS	获取价格	Low-power, Multi-channel Decimation Filter
CS5376A_08	CIRRUS	获取价格	Low-power, Multi-channel Decimation Filter
CS5376A-IQ	CIRRUS	获取价格	LOW POWER MULTI CHANNEL DECIMATION FILTER

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