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TLC540I

更新时间： 2024-11-25 22:49:43
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德州仪器 - TI 转换器输入元件
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11页 166K
描述
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 INPUTS

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TLC540I 数据手册

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TLC540I, TLC541I  
8-BIT ANALOG-TO-DIGITAL CONVERTERS  
WITH SERIAL CONTROL AND 11 INPUTS  
SLAS065A – OCTOBER 1983 – REVISED MARCH 1995  
DW OR N PACKAGE  
(TOP VIEW)  
8-Bit Resolution A/D Converter  
Microprocessor Peripheral or Stand-Alone  
Operation  
INPUT A0  
INPUT A1  
INPUT A2  
INPUT A3  
INPUT A4  
INPUT A5  
INPUT A6  
INPUT A7  
INPUT A8  
GND  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
On-Chip 12-Channel Analog Multiplexer  
Built-in Self-Test Mode  
SYSTEM CLOCK  
I/O CLOCK  
ADDRESS INPUT  
DATA OUT  
CS  
REF+  
REF–  
INPUT A10  
INPUT A9  
Software-Controllable Sample and Hold  
Total Unadjusted Error . . . ±0.5 LSB Max  
TLC541 is Direct Replacement for Motorola  
MC145040 and National Semiconductor  
ADC0811. TLC540 is Capable of Higher  
Speed  
Pinout and Control Signals Compatible  
with TLC1540 Family of 10-Bit A/D  
Converters  
FN PACKAGE  
(TOP VIEW)  
CMOS Technology  
PARAMETER  
TLC540  
TLC541  
Channel Acquisition Sample Time  
Conversion Time (Max)  
Samples per Second (Max)  
Power Dissipation (Max)  
2 µs  
9 µs  
75 x 10  
12.5 mW  
3.6 µs  
17 µs  
40 x 10  
12.5 mW  
3
3
description  
3
2
1
20 19  
18  
I/O CLOCK  
INPUT A3  
4
5
6
7
8
The TLC540 and TLC541 are CMOS A/D  
converters built around an 8-bit switched-  
capacitor  
converters. They are designed for serial interface  
to a microprocessor or peripheral via a 3-state  
output with up to four control inputs, including  
independent SYSTEM CLOCK, I/O CLOCK, chip  
select (CS), and ADDRESS INPUT. A 4-MHz  
system clock for the TLC540 and a 2.1-MHz  
system clock for the TLC541 with a design that  
ADDRESS INPUT  
DATA OUT  
CS  
INPUT A4  
INPUT A5  
INPUT A6  
INPUT A7  
17  
16  
15  
14  
successive-approximation  
A/D  
REF+  
9 10 11 12 13  
includes simultaneous read/write operation allow high-speed data transfers and sample rates of up to  
75,180samples per second for the TLC540 and 40,000 samples per second for the TLC541. In addition to the  
high-speed converter and versatile control logic, there is an on-chip 12-channel analog multiplexer that can be  
used to sample any one of 11 inputs or an internal self-test voltage, and a sample-and-hold that can operate  
automatically or under microprocessor control. Detailed information on interfacing to most popular  
microprocessors is readily available from the factory.  
AVAILABLE OPTIONS  
PACKAGE  
T
A
SO PLASTIC DIP  
(DW)  
PLASTIC DIP  
(N)  
CHIP CARRIER  
(FN)  
—
TLC540IN  
TLC541IN  
TLC540IFN  
TLC541IFN  
–40°C to 85°C  
–55°C to 125°C  
TLC541IDW  
—
TLC541MN  
—
Copyright 1995, 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  
1234567...11

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