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Burr-Brown Corporation - Low-Power/ Serial 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER

Numéro de référence ADS7813PB
Description Low-Power/ Serial 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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ADS7813PB fiche technique
® ADS7813
ADS7813
ADS7813
Low-Power, Serial 16-Bit Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
DESCRIPTION
q 20µs max CONVERSION TIME
q SINGLE +5V SUPPLY OPERATION
q PIN-COMPATIBLE WITH 12-BIT ADS7812
q EASY-TO-USE SERIAL INTERFACE
q 16-PIN 0.3" PLASTIC DIP AND SOIC
q ±2.0LSB max INL
q 87dB min SINAD
q USES INTERNAL OR EXTERNAL
REFERENCE
q MULTIPLE INPUT RANGES
q 35mW max POWER DISSIPATION
q NO MISSING CODES
q 50µW POWER DOWN MODE
APPLICATIONS
The ADS7813 is a low-power, single +5V supply, 16-
bit sampling analog-to-digital converter. It contains a
complete 16-bit capacitor-based SAR A/D with a
sample/hold, clock, reference, and serial data inter-
face.
The converter can be configured for a variety of input
ranges including ±10V, ±5V, 0V to 10V, and 0.5V to
4.5V. A high impedance 0.3V to 2.8V input range is
also available (input impedance > 10M). For most
input ranges, the input voltage can swing to +16.5V or
–16.5V without damage to the converter.
A flexible SPI compatible serial interface allows data
to be synchronized to an internal or external clock.
The ADS7813 is specified at a 40kHz sampling rate
over the –40°C to +85°C temperature range. It is
available in a 16-pin 0.3" plastic DIP or a 16-lead
SOIC package.
q MEDICAL INSTRUMENTATION
q DATA ACQUISITION SYSTEMS
q ROBOTICS
q INDUSTRIAL CONTROL
q TEST EQUIPMENT
q DIGITAL SIGNAL PROCESSING
q DSP SERVO CONTROL
BUSY
PWRD
CONV
CS
Successive Approximation Register and Control Logic
Clock
R1IN
R2IN
R3IN
BUF
CAP
REF
40k(1)
8k(1)
20k(1)
CDAC
Buffer
4k(1)
Internal
+2.5V Ref
Comparator
Serial
Data
Out
EXT/INT
DATACLK
DATA
NOTE: (1) Actual value may vary ±30%.
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-11302A
APDrinSted7in8U1.S3.A. March, 1997
®

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