TLC545C

更新时间： 2024-11-01 22:49:43

品牌	Logo	应用领域
德州仪器 - TI		转换器输入元件
页数	文件大小	规格书
13页	185K
描述
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS

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TLC545C 数据手册

TLC545C, TLC545I, TLC546C, TLC546I

8-BIT ANALOG-TO-DIGITAL CONVERTERS

WITH SERIAL CONTROL AND 19 INPUTS

SLAS066B – DECEMBER 1985 – REVISED OCTOBER 1996

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

INPUT A9

INPUT A10

INPUT A11

INPUT A12

GND

On-Chip 20-Channel Analog Multiplexer

Built-in Self-Test Mode

SYSTEM CLOCK

I/O CLOCK

ADDRESS INPUT

DATA OUT

Software-Controllable Sample and Hold

Total Unadjusted Error . . . ±0.5 LSB Max

Timing and Control Signals Compatible

With 8-Bit TLC540 and 10-Bit TLC1540 A/D

Converter Families

REF+

REF–

INPUT A18

INPUT A17

INPUT A16

INPUT A15

INPUT A14

INPUT A13

CMOS Technology

PARAMETER

TL545

TL546

Channel Acquisition Time

Conversion Time (Max)

Sampling Rate (Max)

1.5 µs

9 µs

76 x 10

15 mW

2.7 µs

17 µs

40 x 10

15 mW

Power Dissipation (Max)

FN PACKAGE

(TOP VIEW)

description

The TLC545 and TLC546 are CMOS

analog-to-digital converters built around an 8-bit

switched capacitor successive-approximation

analog-to-digital converter. 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 TLC545 and a

2.1-MHz system clock for the TLC546 with a

design that includes simultaneous read/write

operation allowing high-speed data transfers and

sample rates of up to 76,923 samples per second

for the TLC545, and 40,000 samples per second

for the TLC546.

2 1 28 27 26

INPUT A4

ADDRESS INPUT

DATA OUT

REF+

REF–

INPUT A5

INPUT A6

INPUT A7

INPUT A8

INPUT A9

INPUT A10

INPUT A18

INPUT A17

12 13 14 15 16 17 18

In addition to the high-speed converter and

versatile control logic, there is an on-chip

20-channel analog multiplexer that can be used to

sample any one of 19 inputs or an internal self-test

voltage, and a sample-and-hold that can operate

automatically or under microprocessor control.

The converters incorporated in the TLC545 and TLC546 feature differential high-impedance reference inputs

thatfacilitateratiometricconversion, scaling, andanalogcircuitryisolationfromlogicandsupplynoises. Atotally

switched capacitor design allows low-error (±0.5 LSB) conversion in 9 µs for the TLC545, and 17 µs for the

TLC546, over the full operating 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.

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

12 3 4 5 6 7...13

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与TLC545C相关器件

型号	品牌	获取价格	描述	数据表
TLC545CDW	TI	获取价格	暂无描述
TLC545CFN	TI	获取价格	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545CN	TI	获取价格	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545CNG4	TI	获取价格	8-Bit, 76 kSPS ADC Serial Out, On-Chip 20 Ch. Analog Mux, 19 Ch. 28-PDIP
TLC545I	TI	获取价格	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545IDW	TI	获取价格	19-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28
TLC545IFN	TI	获取价格	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545IN	TI	获取价格	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545IN3	TI	获取价格	IC,DATA ACQ SYSTEM,19-CHANNEL,8-BIT,DIP,28PIN,PLASTIC
TLC545MFN	TI	获取价格	8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC28

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