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Burr-Brown Corporation - Low-Power 16-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER

Numéro de référence ADS7807
Description Low-Power 16-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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ADS7807 fiche technique
® ADS7807
Low-Power 16-Bit Sampling CMOS
ANALOG-to-DIGITAL CONVERTER
FEATURES
q 35mW max POWER DISSIPATION
q 50µW POWER DOWN MODE
q 25µs max ACQUISITION AND
CONVERSION
q ±1.5LSB max INL
q DNL: 16 bits “No Missing Codes”
q 86dB min SINAD WITH 1kHz INPUT
q ±10V, 0V TO +5V, AND 0V TO +4V INPUT
RANGES
q SINGLE +5V SUPPLY OPERATION
q PARALLEL AND SERIAL DATA OUTPUT
q PIN-COMPATIBLE WITH 12-BIT ADS7806
q USES INTERNAL OR EXTERNAL
REFERENCE
q 28-PIN 0.3" PLASTIC DIP AND SOIC
DESCRIPTION
The ADS7807 is a low-power, 16-bit, sampling A/D
using state-of-the-art CMOS structures. It contains a
complete 16-bit, capacitor-based, SAR A/D with S/H,
clock, reference, and microprocessor interface with
parallel and serial output drivers.
The ADS7807 can acquire and convert 16-bits to
within ±1.5LSB in 25µs max while consuming only
35mW max. Laser-trimmed scaling resistors provide
standard industrial input ranges of ±10V and 0V to
+5V. In addition, a 0V to +4V range allows develop-
ment of complete single supply systems.
The 28-pin ADS7807 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 temperature range.
R1IN
40k
R2IN
20k
10k
CAP
40k
REF
Clock
Successive Approximation Register and Control Logic
R/C
CS
BYTE
Power
Down
CDAC
Comparator
Buffer
6k
Internal
+2.5V Ref
Reference
Power
Down
Parallel
and
Serial
Data
Out
BUSY
Serial Data
Clock
Serial Data
Parallel Data
8
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 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1992 Burr-Brown Corporation
PDS-1159C
Printed in U.S.A. November, 1994

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