CS5374-CNZ

更新时间： 2024-09-26 06:49:27

品牌	Logo	应用领域
凌云 - CIRRUS		电信集成电路电信电路放大器
页数	文件大小	规格书
44页	450K
描述
Dual High-performance Amplifier & ΔΣ Modulator

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中文翻译

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技术参数
数据手册

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CS5374-CNZ 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFN	包装说明：	HVQCCN,
针数：	48	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.82
Is Samacsys：	N	JESD-30 代码：	S-XQCC-N48
长度：	7 mm	负电源额定电压：	-2.5 V
功能数量：	2	端子数量：	48
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1 mm	标称供电电压：	2.5 V
表面贴装：	YES	电信集成电路类型：	TELECOM CIRCUIT
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7 mm	Base Number Matches：	1

CS5374-CNZ 数据手册

CS5374

Dual High-performance Amplifier & ΔΣ Modulator

Features

Description

The CS5374 combines two marine seismic analog mea-

surement channels into one 7 mm x 7 mm QFN

package. Each measurement channel consists of a high

input impedance programmable gain differential amplifi-

er that buffers analog signals into a high-performance,

fourth-order ΔΣ modulator. The low-noise ΔΣ modulator

converts the analog signal into a one-bit serial bit stream

suitable for the CS5376A digital filter.

 High Input Impedance Differential Amplifier

• Ultra-low input bias: < 1 pA

• Max signal amplitude: 5 Vpp differential

 Fourth Order Delta-Sigma (ΔΣ) Modulator

• Signal Bandwidth: DC to 2 kHz

• Common mode rejection: 110 dB CMRR

 Differential Analog Input, Digital ΔΣ Output

• Multiplexed inputs: INA, INB, 800Ω termination

• Selectable Gain: 1x, 2x, 4x, 8x, 16x, 32x, 64x

Each amplifier has two sets of external inputs, INA and

INB, to simplify system design as inputs from a hydro-

phone sensor or the CS4373A test DAC. An internal

800Ω termination can also be selected for noise tests.

Gain settings are binary weighted (1x, 2x, 4x, 8x, 16x,

32x, 64x) and match the CS4373A test DAC output at-

tenuation settings for full-scale testing at all gain ranges.

Both the input multiplexer and gain are set by registers

accessed through a standard SPI™ port.

 Excellent Amplifier Noise Performance

• 1.5 μVpp between 0.1 Hz and 10 Hz

• 11 nV / √Hz from 200 Hz to 2 kHz

 High Modulator Dynamic Range

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

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

 Low Total Harmonic Distortion

• –118 dB THD typical (0.000126%)

• –108 dB THD maximum (0.0004%)

Each fourth-order ΔΣ modulator has very high dynamic

range combined with low total harmonic distortion and

low power consumption. It converts differential analog

signals from the amplifier to an oversampled ΔΣ serial bit

stream which is decimated by the CS5376A digital filter

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

 Low Power Consumption

• Normal operation: 6.5 mA per channel

• Power down: 15 μA per channel max

 Dual Power Supply Configuration

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

ORDERING INFORMATION

See page 43.

GUARD1

OUT1+ OUT1- INR1- INF1- INF1+INR1+

VA- VA+

INA1+

INB1+

Reset, Clock,

and

Synchronization

RST

MCLK

MSYNC

MUX1

4^thOrder

Modulator

MDATA1

MFLAG1

INA1-

INB1-

VA+

VA-

GND

CS5374

INA2+

INB2+

4^thOrder

Modulator

MDATA2

MFLAG2

MUX2

SDO

SDI

SPI^TMSerial

Interface

SCLK

INA2-

INB2-

GUARD2

OUT2+ OUT2- INR2- INF2- INF2+INR2+

VREF+ VREF-

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

OCT '09

DS862F1

http://www.cirrus.com

12 3 4 5 6 7...44

中文翻译

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与CS5374-CNZ相关器件

型号	品牌	获取价格	描述	数据表
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
CS5376A-IQZ	CIRRUS	获取价格	Low-power, Multi-channel Decimation Filter
CS5378	CIRRUS	获取价格	Low-power Single-channel Decimation Filter
CS5378_08	CIRRUS	获取价格	Low-power Single-channel Decimation Filter
CS5378-IS	CIRRUS	获取价格	Low-power Single-channel Decimation Filter
CS5378-ISZ	CIRRUS	获取价格	Low-power Single-channel Decimation Filter

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