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參數(shù)資料

型號：	TLC2543MFK
廠商：	TEXAS INSTRUMENTS INC
元件分類：	ADC
英文描述：	11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20
封裝：	CERAMIC, LCC-20
文件頁數(shù)：	1/31頁
文件大小：	474K
代理商：	TLC2543MFK

TLC2543C, TLC2543I, TLC2543M

12-BIT ANALOG-TO-DIGITAL CONVERTERS

WITH SERIAL CONTROL AND 11 ANALOG INPUTS

SLAS079E – DECEMBER 1993 – REVISED JUNE 2000

POST OFFICE BOX 655303

DALLAS, TEXAS 75265

D 12-Bit-Resolution A/D Converter

D 10-s Conversion Time Over Operating

Temperature

D 11 Analog Input Channels

D 3 Built-In Self-Test Modes

D Inherent Sample-and-Hold Function

D Linearity Error . . . ±1 LSB Max

D On-Chip System Clock

D End-of-Conversion Output

D Unipolar or Bipolar Output Operation

(Signed Binary With Respect to 1/2 the

Applied Voltage Reference)

D Programmable MSB or LSB First

D Programmable Power Down

D Programmable Output Data Length

D CMOS Technology

D Application Report Available

description

The TLC2543C and TLC2543I are 12-bit, switched-

capacitor,

successive-approximation,

analog-to-

digital converters. Each device, with three control

inputs [chip select (CS), the input-output clock, and

the address input (DATA INPUT)], is designed for

communication with the serial port of a host processor

or peripheral through a serial 3-state output. The

device allows high-speed data transfers from the

host.

In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel

multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages. The

sample-and-hold function is automatic. At the end of conversion, the end-of-conversion (EOC) output goes high

to indicate that conversion is complete. The converter incorporated in the device features differential

high-impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry

from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating

temperature range.

The TLC2543C is characterized for operation from TA = 0°C to 70°C. The TLC2543I is characterized for

operation from TA = –40°C to 85°C. The TLC2543M is characterized for operation from TA = –55°C to 125°C.

2000, 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.

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.

Microcontroller Based Data Acquisition Using the TLC2543 12-bit Serial-Out ADC (SLAA012)

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

GND

VCC

EOC

I/O CLOCK

DATA INPUT

DATA OUT

REF +

REF –

AIN10

AIN9

(TOP VIEW)

DB, DW, J, OR N PACKAGE

1 20 19

910 11 12 13