ADS7807 Burr-Brown Corporation, ADS7807 Datasheet

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ADS7807

Manufacturer Part Number
ADS7807
Description
Low-Power 16-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Manufacturer
Burr-Brown Corporation
Datasheet

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International Airport Industrial Park
FEATURES
©
1992 Burr-Brown Corporation
R1
R2
Tel: (520) 746-1111
35mW max POWER DISSIPATION
50 W POWER DOWN MODE
25 s max ACQUISITION AND
CONVERSION
DNL: 16 bits “No Missing Codes”
86dB min SINAD WITH 1kHz INPUT
RANGES
SINGLE +5V SUPPLY OPERATION
PARALLEL AND SERIAL DATA OUTPUT
PIN-COMPATIBLE WITH 12-BIT ADS7806
USES INTERNAL OR EXTERNAL
REFERENCE
28-PIN 0.3" PLASTIC DIP AND SOIC
IN
IN
1.5LSB max INL
10V, 0V TO +5V, AND 0V TO +4V INPUT
40k
10k
CAP
REF
20k
Low-Power 16-Bit Sampling CMOS
ANALOG-to-DIGITAL CONVERTER
Twx: 910-952-1111
40k
®
Mailing Address: PO Box 11400
Clock
Cable: BBRCORP
Buffer
6k
CDAC
Successive Approximation Register and Control Logic
+2.5V Ref
Internal
PDS-1159C
Telex: 066-6491
Tucson, AZ 85734
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 25 s 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.
Reference
Power
Down
FAX: (520) 889-1510
• Street Address: 6730 S. Tucson Blvd.
Comparator
Immediate Product Info: (800) 548-6132
Parallel
Serial
Data
and
Out
Printed in U.S.A. November, 1994
ADS7807
8
• Tucson, AZ 85706
R/C
CS
BYTE
Power
Down
BUSY
Serial Data
Clock
Serial Data
Parallel Data

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