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Burr-Brown Corporation - 16-Bit 250kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER

Numéro de référence ADS7811
Description 16-Bit 250kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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ADS7811 fiche technique
®
ADS7811
ADS7811
16-Bit 250kHz Sampling CMOS
ANALOG-to-DIGITAL CONVERTER
FEATURES
q 250kHz SAMPLING RATE
q COMPLETE WITH S/H, REF, CLOCK, ETC.
q 96dB min SFDR WITH 100kHz INPUT
q 84dB min SINAD
q ±2.5V INPUT RANGE
q 28-LEAD SOIC
APPLICATIONS
q WIRELESS BASE STATIONS
q SPECTRUM ANALYSIS
q IMAGING SYSTEMS
q DATA ACQUISITION
DESCRIPTION
The ADS7811 is a complete 16-bit sampling analog-
to-digital (A/D) converter featuring excellent AC
performance and a 250kHz throughput rate. The de-
sign includes a 16-bit capacitor-based SAR A/D
converter with an inherent sample and hold (S/H), a
precision reference, and an internal clock. Spurious-
free dynamic range with a 100kHz full-scale sinewave
input is typically greater than 100dB. The ±2.5V input
range allows development of precision systems using
only ±5V supplies. The converter is available in a
28-lead SOIC package specified for operation over
the industrial –25°C to +85°C temperature range.
±2.5V Input
REF Out/In
Clock
Successive Approximation Register and Control Logic
CDAC
Buffer
5k
Internal
+2.5V Ref
Comparator
Output
Latches
and
Three
State
Drivers
R/C
CS
BUSY
Parallel
Data
Bus
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/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1997 Burr-Brown Corporation
PDS-1300A
ADS7811Printed in U.S.A. November, 1997
®

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