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TLC1542_13 PDF预览

TLC1542_13

更新时间: 2024-11-16 12:02:19
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德州仪器 - TI 转换器输入元件
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33页 1154K
描述
10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

TLC1542_13 数据手册

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TLC1542I, TLC1542M, TLC1542Q  
TLC1542C, TLC1543C, TLC1543I, TLC1543Q  
www.ti.com  
SLAS052GMARCH 1992REVISED JANUARY 2006  
10-BIT ANALOG-TO-DIGITAL CONVERTERS  
WITH SERIAL CONTROL AND 11 ANALOG INPUTS  
FEATURES  
DB, DW, J, OR N PACKAGE  
10-Bit Resolution A/D Converter  
(TOP VIEW)  
11 Analog Input Channels  
A0  
A1  
A2  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
Three Built-In Self-Test Modes  
Inherent Sample-and-Hold Function  
Total Unadjusted Error: ±1LSB Max  
On-Chip System Clock  
EOC  
I/O CLOCK  
ADDRESS  
DATA OUT  
A3  
A4  
End-of-Conversion (EOC) Output  
Terminal Compatible With TLC542  
CMOS Technology  
A5  
15 CS  
14  
13  
12  
11  
A6  
A7  
REF+  
REF−  
A10  
A8  
GND  
A9  
DESCRIPTION  
The TLC1542C, TLC1542I, TLC1542M, TLC1542Q,  
TLC1543C, TLC1543I, and TLC1543Q are CMOS  
10-bit switched-capacitor successive-approximation  
analog-to-digital converters. These devices have  
three inputs and a 3-state output [chip select (CS),  
input-output clock (I/O CLOCK), address input  
(ADDRESS), and data output (DATA OUT)] that  
provide a direct 4-wire interface to the serial port of a  
host processor. These devices allow high-speed data  
transfers from the host.  
FK OR FN PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
I/O CLOCK  
ADDRESS  
DATA OUT  
CS  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
17  
16  
15  
14  
In addition to a high-speed A/D converter and  
versatile control capability, these devices have an  
on-chip 14-channel multiplexer that can select any  
one of 11 analog inputs or any one of three internal  
self-test voltages. The sample-and-hold function is  
automatic. At the end of A/D conversion, the  
end-of-conversion (EOC) output goes high to  
indicate that conversion is complete. The converter  
incorporated in the devices features differential  
high-impedance reference inputs that facilitate  
ratiometric conversion, scaling, and isolation of  
analog circuitry from logic and supply noise. A  
REF+  
9 10 11 12 13  
switched-capacitor  
design  
allows  
low-error  
conversion over the full operating free-air  
temperature range.  
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.  
Copyright © 1992–2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

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