TLV2556

更新时间： 2024-11-17 22:37:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
35页	584K
描述
12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE

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TLV2556 数据手册

TLV2556

SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002

12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC

WITH INTERNAL REFERENCE

In addition to the high-speed converter and versatile

FEATURES

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 using

configuration register 1. The sample-and-hold function

is automatic. At the end of conversion, when

programmed as EOC, the pin 19 output goes high to

indicate that conversion is complete. If pin 19 is

programmed as INT, the signal goes low when the

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. An internal reference is available and its voltage

level is programmable via configuration register 2

(CFGR2).

12-Bit-Resolution A/D Converter

Up to 200-KSPS (150-KSPS for 3 V)

Throughput Bit With 12-Output Mode Over

Operating Temperature Range

11 Analog Input Channels

3 Built-In Self-Test Modes

Programmable Reference (2.048/4.096 V

Internal, External)

Inherent Sample and Hold Function

Linearity Error . . . ±1 LSB Max

On-Chip Conversion Clock

Programmable Conversion Status Output: INT

or EOC

Unipolar or Bipolar Output Operation

Programmable MSB or LSB First

Programmable Power Down

The TLV2556I is characterized for operation from

T = –40°C to 85°C. See available options table for

package options.

Programmable Output Data Length

SPI Compatible Serial Interface With I/O Clock

Frequencies up to 15 MHz (CPOL=0, CPHA=0)

PW AND DW PACKAGE

(TOP VIEW)

APPLICATIONS

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

GND

Industrial Process Control

Portable Data Logging

Battery Powered Instruments

Automotive

INT/EOC

I/O CLOCK

DATA IN

DATA OUT

14 REF+

DESCRIPTION

REF–

AIN10

AIN9

The TLV2556 is

12-bit, switched-capacitor,

successive-approximation, analog-to-digital converter.

The ADC has three control inputs [chip select (CS), the

input-output clock, and the address/control input

(DATAIN)], designed for communication with the serial

port of a host processor or peripheral through a serial

3-state output.

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.

www.ti.com

12 3 4 5 6 7...35

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TLV2556 替代型号

型号	品牌	替代类型	描述	数据表
TLC2543-EP	TI	功能相似	12-BIT ANALOG-TO-DIGITAL CONVERTER WITH SERIAL CONTROL AND 11 ANALOG INPUTS
TLC1541	TI	功能相似	10-BIT ANALOG-TO-DIGITAL CONVERTER WITH SERIAL CONTROL AND 11 INPUTS
TLV1543	TI	功能相似	3.3V 10 BIT ANALOG TO DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

与TLV2556相关器件

型号	品牌	获取价格	描述	数据表
TLV2556_14	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556_16	TI	获取价格	11-Channel Low-Power Serial ADC
TLV2556-EP	TI	获取价格	12-BIT 200-KSPS 11-CHANNEL LOW-POWER SERIAL ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFE
TLV2556IDW	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IDWG4	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IDWR	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IDWRG4	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IPW	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IPWG4	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556IPWR	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE

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