TLV2556-EP

更新时间： 2024-11-18 05:55:31

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
37页	689K
描述
12-BIT 200-KSPS 11-CHANNEL LOW-POWER SERIAL ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE

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TLV2556-EP 数据手册

TLV2556-EP

www.ti.com ................................................................................................................................................... SLAS598A–NOVEMBER 2008–REVISED JULY 2009

12-BIT 200-KSPS 11-CHANNEL LOW-POWER SERIAL ANALOG-TO-DIGITAL CONVERTER

WITH INTERNAL REFERENCE

FEATURES

PW AND DW PACKAGE

•

12-Bit-Resolution Analog-to-Digital Converter

(ADC)

(TOP VIEW)

•

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

Throughput Bit With 12-Output Mode Over

Operating Temperature Range

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

GND

INT/EOC

I/O CLOCK

DATA IN

DATA OUT

•

11 Analog Input Channels

3 Built-In Self-Test Modes

Programmable Reference (2.048 V/4.096 V

Internal or External)

REF+

REF−

•

Inherent Sample and Hold Function

Linearity Error...±1 LSB Max

On-Chip Conversion Clock

AIN10

AIN9

Programmable Conversion Status Output: INT

or EOC

DESCRIPTION

The TLV2556 is

12-bit, switched-capacitor,

•

Unipolar or Bipolar Output Operation

Programmable MSB or LSB First

Programmable Power Down

successive-approximation, analog-to-digital converter

(ADC). 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.

Programmable Output Data Length

SPI Compatible Serial Interface With I/O Clock

Frequencies up to 15 MHz (CPOL = 0,

CPHA = 0)

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

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).

SUPPORTS DEFENSE, AEROSPACE,

AND MEDICAL APPLICATIONS

•

Controlled Baseline

One Assembly/Test Site

One Fabrication Site

Available in Military (–55°C/125°C)

Temperature Range⁽¹⁾

Extended Product Life Cycle

Extended Product-Change Notification

Product Traceability

•

APPLICATIONS

•

Industrial Process Control

Portable Data Logging

Battery Powered Instruments

Automotive

(1) Additional temperature ranges are available - contact factory

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...37

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与TLV2556-EP相关器件

型号	品牌	获取价格	描述	数据表
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
TLV2556IPWRG4	TI	获取价格	12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
TLV2556MPWREP	TI	获取价格	12-BIT 200-KSPS 11-CHANNEL LOW-POWER SERIAL ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFE
TLV2556MPWREPG4	TI	获取价格	12-BIT 200-KSPS 11-CHANNEL LOW-POWER SERIAL ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFE

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