ADS7819 Burr-Brown Corporation, ADS7819 Datasheet
ADS7819
Manufacturer Part Number
ADS7819
Description
12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Manufacturer
Burr-Brown Corporation
Datasheet
1.ADS7819.pdf
(11 pages)
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FEATURES
© 1992 Burr-Brown Corporation
International Airport Industrial Park • Mailing Address: PO Box 11400
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
1.25 s THROUGHPUT TIME
STANDARD 2.5V INPUT RANGE
70dB min SINAD WITH 250kHz INPUT
INTERNAL REFERENCE
COMPLETE WITH S/H, REF, CLOCK, ETC.
PARALLEL DATA w/ LATCHES
28-PIN 0.3" PDIP AND SOIC
3/4 LSB max INL AND 1 LSB max DNL
2.5V Ref Out/In
±2.5V Input
Cap
ANALOG-to-DIGITAL CONVERTER
12-Bit 800kHz Sampling CMOS
575
2.5k
®
18k
Clock
Buffer
4.8k
8.6k
CDAC
Successive Approximation Register and Control Logic
FPO
PDS-1193C
• Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Internal
Ref
DESCRIPTION
The ADS7819 is a complete 12-bit sampling A/D
using state-of-the-art CMOS structures. It contains a
complete 12-bit capacitor-based SAR A/D with inher-
ent S/H, reference, clock, interface for microprocessor
use, and three-state output drivers.
The ADS7819 is specified at an 800kHz sampling
rate, and guaranteed over the full temperature range.
Laser-trimmed scaling resistors provide a 2.5V input
range and inherent overvoltage protection up to 25V.
The 28-pin ADS7819 is available in a plastic 0.3" DIP
and in an SOIC, both fully specified for operation over
the industrial –40 C to +85 C range.
Comparator
Latches
Drivers
Output
Three
State
and
Printed in U.S.A. February, 1995
ADS7819
Parallel
BUSY
Three
State
Data
Bus
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