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TLC0831I

更新时间: 2024-09-15 22:59:27
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德州仪器 - TI 转换器
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12页 191K
描述
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL

TLC0831I 数据手册

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TLC0831C, TLC0831I  
TLC0832C, TLC0832I  
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL  
SLAS107B – JANUARY 1995 – REVISED APRIL 1996  
8-Bit Resolution  
TLC0831 . . . D OR P PACKAGE  
(TOP VIEW)  
Easy Microprocessor Interface or  
Standalone Operation  
CS  
IN+  
V
CC  
CLK  
DO  
1
2
3
4
8
7
6
5
Operates Ratiometrically or With 5-V  
Reference  
IN–  
Single Channel or Multiplexed Twin  
Channels With Single-Ended or Differential  
Input Options  
GND  
REF  
TLC0832 . . . D OR P PACKAGE  
(TOP VIEW)  
Input Range 0 to 5 V With Single 5-V Supply  
Inputs and Outputs Are Compatible With  
TTL and MOS  
CS  
CH0  
CH1  
GND  
V
/REF  
CC  
1
2
3
4
8
7
6
5
Conversion Time of 32 µs at  
CLK  
DO  
DI  
f
= 250 kHz  
clock  
Designed to Be Interchangeable With  
National Semiconductor ADC0831 and  
ADC0832  
Total Unadjusted Error . . . ± 1 LSB  
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.  
TheoperationoftheTLC0831andTLC0832devicesisverysimilartothemorecomplexTLC0834andTLC0838  
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 V  
internally on the TLC0832).  
(done  
CC  
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.  
AVAILABLE OPTIONS  
PACKAGE  
T
A
SMALL OUTLINE  
(D)  
PLASTIC DIP  
(P)  
0°C to 70°C  
TLC0831CD  
TLC0831ID  
TLC0832CD  
TLC0832ID  
TLC0831CP  
TLC0831IP  
TLC0832CP  
TLC0832IP  
40°C to 85°C  
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.  
Copyright 1996, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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