ADS8322
www.ti.com
SBAS215A – JULY 2001 – REVISED JANUARY 2010
16-Bit, 500kHz, MicroPower Sampling
ANALOG-TO-DIGITAL CONVERTER
Check for Samples: ADS8322
FEATURES
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DESCRIPTION
HIGH-SPEED PARALLEL INTERFACE
500kHz SAMPLING RATE
LOW POWER: 85mW at 500kHz
INTERNAL 2.5V REFERENCE
UNIPOLAR INPUT RANGE
TQFP-32 PACKAGE
The ADS8322 is a 16-bit, 500kHz analog-to-digital
(A/D) converter with an internal 2.5V reference. The
device includes a 16-bit capacitor-based successive
approximation register (SAR) A/D converter with
inherent sample-and-hold. The ADS8322 offers a full
16-bit interface, or an 8-bit option where data are
read using two read cycles and eight pins. The
ADS8322 is available in a TQFP-32 package and is
ensured over the industrial –40°C to +85°C
temperature range.
APPLICATIONS
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CT SCANNERS
HIGH-SPEED DATA ACQUISITION
TEST AND INSTRUMENTATION
MEDICAL EQUIPMENT
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BYTE
SAR
ADS8322
Output Latches
and
3-State
Drivers
Parallel
Data
Output
+IN
CDAC
-IN
S/H Amp
CLOCK
Comparator
REFIN
REFOUT
Internal
+2.5V Ref
Conversion
and Control
Logic
CONVST
CS
RD
BUSY
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2001–2010, Texas Instruments Incorporated
