ADS7806 Burr-Brown Corporation, ADS7806 Datasheet
ADS7806
Manufacturer Part Number
ADS7806
Description
Low-Power 12-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Manufacturer
Burr-Brown Corporation
Datasheet
1.ADS7806.pdf
(18 pages)
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FEATURES
©
International Airport Industrial Park
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
72dB min SINAD WITH 1kHz INPUT
RANGES
SINGLE +5V SUPPLY OPERATION
PARALLEL AND SERIAL DATA OUTPUT
PIN-COMPATIBLE WITH 16-BIT ADS7807
USES INTERNAL OR EXTERNAL
REFERENCE
28-PIN 0.3" PLASTIC DIP AND SOIC
1/2LSB max INL AND DNL
10V, 0V TO +5V, AND 0V TO +4V INPUT
IN
IN
40k
10k
CAP
REF
20k
Low-Power 12-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-1158C
•
Telex: 066-6491
Tucson, AZ 85734
DESCRIPTION
The ADS7806 is a low-power 12-bit sampling analog-
to-digital using state-of-the-art CMOS structures. It
contains a complete 12-bit, capacitor-based, SAR A/D
with S/H, clock, reference, and microprocessor inter-
face with parallel and serial output drivers.
The ADS7806 can acquire and convert to full 12-bit
accuracy 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 development of
complete single supply systems.
The 28-pin ADS7806 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
Printed in U.S.A. November, 1994
Data
and
Out
ADS7806
8
• Tucson, AZ 85706
R/C
CS
BYTE
Power
Down
BUSY
Serial Data
Clock
Serial Data
Parallel Data
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