Datasheet > CS5181-BL

CS5181-BL

更新时间： 2024-09-24 22:34:51

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
24页	819K
描述
Modulator & 400 kHz to 625 kHz 16-Bit ADC

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CS5181-BL 数据手册

CS5181

∆Σ Modulator & 400 kHz to 625 kHz 16-Bit ADC

Features

Description

CS5181 is a fully calibrated high-speed ∆Σ analog-to-

digital converter, capable of 625 kSamples/second out-

put word rate (OWR). The OWR scales with the master

clock. It consists of a 5th order ∆Σ modulator, decimation

filter, and serial interface. The chip can use the 2.375 V

on-chip voltage reference, or an external 2.5 V refer-

ence. The input voltage range is 1.6 × VREFIN V_ppfully

differential. Multiple CS5181s can be fully synchronized

in multi-channel applications with a sync signal. The part

has a power-down mode to minimize power consump-

tion at times of system inactivity. The high speed digital

I/O lines have complementary signals to help reduce ra-

diated noise from traces on the PC board layout. The

CS5181 can also be operated in modulator-only mode

which provides the delta-sigma modulator bitstream as

the output.

l 16-Bit Delta-Sigma A/D Converter

l Fully Differential Input with 4.0 V Range

l Dynamic Range: 93 dB

l Spurious Free Dynamic Range: 90 dBc

l Harmonic Distortion: 89 dB

l Up to 625 kHz Output Word Rate

l No Missing Codes

l Non-Aliasing Low-Pass Digital Filter

l High Speed 3-Wire Serial Interface

l Supply Requirements:

- VA+ = 5 V, VD+ = 3.3 V: 570 mW

l Modulator Output Mode

l Power-Down Mode

ORDERING INFORMATION

CS5181-BL

-40 °C to +85 °C

28-pin PLCC

VA+

AGND

VD+

DGND

Clock

AIN+

AIN-

MCLK

∆Σ

Modulator

Decimator

VREF-

VREF+

MFLAG

Mode

Selector

VREFIN

x1.6

SDO

SCLK

FSO

Serial

Interface

Timing

and

Control

VREFOUT

VREFCAP

Reference

PWDN

SYNC RESET MODE

This document contains information for a new product.

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

Preliminary Product Information

Cirrus Logic, Inc.

APR ‘99

DS250PP1

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.crystal.com

12 3 4 5 6 7...24

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