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TLC0832 Datasheet Preview

TLC0832 Datasheet

8-BIT ANALOG-TO-DIGITAL CONVERTER

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TLC0831C, TLC0831I
TLC0832C, TLC0832I
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
SLAS107B – JANUARY 1995 – REVISED APRIL 1996
D 8-Bit Resolution
D Easy Microprocessor Interface or
Standalone Operation
D Operates Ratiometrically or With 5-V
Reference
D Single Channel or Multiplexed Twin
Channels With Single-Ended or Differential
Input Options
D Input Range 0 to 5 V With Single 5-V Supply
D Inputs and Outputs Are Compatible With
TTL and MOS
D Conversion Time of 32 µs at
fclock = 250 kHz
D Designed to Be Interchangeable With
National Semiconductor ADC0831 and
ADC0832
D Total Unadjusted Error . . . ± 1 LSB
TLC0831 . . . D OR P PACKAGE
(TOP VIEW)
CS 1
IN+ 2
IN– 3
GND 4
8 VCC
7 CLK
6 DO
5 REF
TLC0832 . . . D OR P PACKAGE
(TOP VIEW)
CS 1
CH0 2
CH1 3
GND 4
8 VCC /REF
7 CLK
6 DO
5 DI
description
These devices are 8-bit successive-approximation analog-to-digital converters. The TLC0831 has single input
channels; the TLC0832 has multiplexed twin input channels. The serial output is configured to interface with
standard shift registers or microprocessors.
The TLC0832 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 TLC0831 and TLC0832 devices is very similar to the more complex TLC0834 and TLC0838
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 TLC0832).
The TLC0831C and TLC0832C are characterized for operation from 0°C to 70°C. The TLC0831I and TLC0832I
are characterized for operation from – 40°C to 85°C.
TA
0°C to 70°C
– 40°C to 85°C
AVAILABLE OPTIONS
PACKAGE
SMALL OUTLINE
(D)
PLASTIC DIP
(P)
TLC0831CD
TLC0832CD
TLC0831CP
TLC0832CP
TLC0831ID
TLC0832ID
TLC0831IP
TLC0832IP
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.
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1996, Texas Instruments Incorporated
1




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TLC0832 Datasheet Preview

TLC0832 Datasheet

8-BIT ANALOG-TO-DIGITAL CONVERTER

No Preview Available !

TLC0831C, TLC0831I
TLC0832C, TLC0832I
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
SLAS107B – JANUARY 1995 – REVISED APRIL 1996
functional block diagram
CLK
CS
DI
(TLC0832
only)
Shift Register
D
ODD/EVEN
CLK Start
Start
Flip-Flop
CLK
S
R
To Internal
Circuits
SGL/DIF
CH0/IN+
CH1/IN –
Analog
MUX
EN
Comparator
Time
Delay
REF
(TLC0831
only)
EN
Ladder
and
Decoder
CS
CS
Bits 0–7
EN R
SAR
Logic
and
Latch
Bits 0–7
Bit 1
CLK R
9-Bit
Shift
Register
EOC
One
Shot
MSB
First
LSB
First
CLK
S
R
CS
CS
R
CLK
D
CS
DO
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLC0832
Description 8-BIT ANALOG-TO-DIGITAL CONVERTER
Maker etcTI
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TLC0832 Datasheet PDF






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