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TLV0831C Datasheet(PDF) 1 Page - Texas Instruments

Part No. TLV0831C
Description  3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLV0831C, TLV0831I
TLV0832C, TLV0832I
3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
SLAS148 – SEPTEMBER 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 8-Bit Resolution
D 2.7 V to 3.6 V VCC
D Easy Microprocessor Interface or
Standalone Operation
D Operates Ratiometrically or With VCC
Reference
D Single Channel or Multiplexed Twin
Channels With Single-Ended or Differential
Input Options
D Input Range 0 V to VCC With VCC Reference
D Inputs and Outputs Are Compatible With
TTL and MOS
D Conversion Time of 32 µs at
f(CLK) = 250 kHz
D Designed to Be Functionally Equivalent to
the National Semiconductor ADC0831 and
ADC0832 at 3 V Supply
D Total Unadjusted Error... ± 1 LSB
description
These devices are 8-bit successive-approximation analog-to-digital converters. The TLV0831 has single input
channels; the TLV0832 has multiplexed twin input channels. The serial output is configured to interface with
standard shift registers or microprocessors.
The TLV0832 multiplexer is software configured for single-ended or differential inputs. The differential analog
voltage input allows for common-mode rejection or offset of the analog zero input voltage value. In addition, the
voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of
resolution.
The operation of the TLV0831 and TLV0832 devices is very similar to the more complex TLV0834 and TLV0838
devices. Ratiometric conversion can be attained by setting the REF input equal to the maximum analog input
signal value, which gives the highest possible conversion resolution. Typically, REF is set equal to VCC (done
internally on the TLV0832).
The TLV0831C and TLV0832C are characterized for operation from 0
°C to 70°C. The TLV0831I and TLV0832I
are characterized for operation from – 40
°C to 85°C.
AVAILABLE OPTIONS
PACKAGE
TA
SMALL OUTLINE
(D)
PLASTIC DIP
(P)
0
°C to 70°C
TLV0831CD
TLV0832CD
TLV0831CP
TLV0832CP
–40
°C to 85°C
TLV0831ID
TLV0832ID
TLV0831IP
TLV0832IP
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
8
7
6
5
CS
IN+
IN–
GND
VCC
CLK
DO
REF
TLV0831 ...D OR P PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
CS
CH0
CH1
GND
VCC/REF
CLK
DO
DI
TLV0832 ...D OR P PACKAGE
(TOP VIEW)
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
© 1996, Texas Instruments Incorporated




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