参数资料
型号: ADS1252U/2K5
元件分类: ADC
英文描述: 1-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO8
封装: SO-8
文件页数: 1/14页
文件大小: 131K
代理商: ADS1252U/2K5
24-Bit, 40kHz
ANALOG-TO-DIGITAL CONVERTER
ADS1252
FEATURES
q 24 BITS NO MISSING CODES
q 19 BITS EFFECTIVE RESOLUTION UP TO
40kHz DATA RATE
q LOW NOISE: 2.5ppm
q DIFFERENTIAL INPUTS
q INL: 0.0015% (max)
q EXTERNAL REFERENCE
q POWER-DOWN MODE
q SYNC MODE
DESCRIPTION
The ADS1252 is a precision, wide dynamic range,
delta-sigma, Analog-to-Digital (A/D) converter with
24-bit resolution operating from a single +5V supply.
The delta-sigma architecture is used for wide dynamic
range and to guarantee 24 bits of no missing code
performance. An effective resolution of 19 bits (2.5ppm
of rms noise) is achieved for conversion rates up to
40kHz.
The ADS1252 is designed for high-resolution mea-
surement applications in cardiac diagnostics, smart
transmitters, industrial process control, weigh scales,
chromatography, and portable instrumentation. The
converter includes a flexible, two-wire synchronous
serial interface for low-cost isolation.
The ADS1252 is a single-channel converter and is
offered in an SO-8 package.
APPLICATIONS
q CARDIAC DIAGNOSTICS
q DIRECT THERMOCOUPLE INTERFACE
q BLOOD ANALYSIS
q INFRARED PYROMETER
q LIQUID/GAS CHROMATOGRAPHY
q PRECISION PROCESS CONTROL
1999 Burr-Brown Corporation
PDS-1550
Printed in U.S.A. June, 2000
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
For most current data sheet and other product
information, visit www.burr-brown.com
ADS1252
4th-Order
Σ
Modulator
Digital
Filter
Serial
Interface
Control
+V
IN
CLK
VREF
SCLK
DOUT/DRDY
+VDD
GND
–V
IN
+
ADS1252
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相关代理商/技术参数
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