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COMBOSMARTMETER

更新时间： 2024-11-23 12:34:39

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
60页	1805K
描述
Analog Front-End for Power Monitoring, Control, and Protection

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COMBOSMARTMETER 数据手册

ADS131E04

ADS131E06

ADS131E08

www.ti.com

SBAS561A –JUNE 2012–REVISED APRIL 2013

Analog Front-End for Power Monitoring, Control, and Protection

Check for Samples: ADS131E04, ADS131E06 , ADS131E08

The ADS131E0x incorporate features commonly

FEATURES

required in industrial power monitoring, control, and

protection applications. The ADS131E0x inputs can

be independently and directly interfaced with a

resistor-divider network or a transformer to measure

voltage. The inputs can also be interfaced to a

current transformer or Rogowski coil to measure

current. With high integration levels and exceptional

performance, the ADS131E0x family enables the

creation of scalable industrial power systems at

significantly reduced size, power, and low overall

cost.

•

Eight Differential Current and Voltage Inputs

Outstanding Performance:

•

–

Exceeds Class 0.1 Performance

Dynamic Range at 1 kSPS: 118 dB

Crosstalk: –110 dB

THD: –90 dB at 50 Hz and 60 Hz

•

Supply Range:

–

Analog:

–

+3 V to +5 V (Unipolar)

±2.5 V (Bipolar, allows dc coupling)

The ADS131E0x have a flexible input multiplexer per

channel that can be independently connected to the

internally-generated signals for test, temperature, and

fault detection. Fault detection can be implemented

internal to the device, using the integrated

comparators with digital-to-analog converter (DAC)-

controlled trigger levels. The ADS131E0x can operate

at data rates as high as 64 kSPS.

–

Digital: +1.8 V to +3.6 V

•

Low Power: 2 mW per Channel

Data Rates: 1, 2, 4, 8, 16, 32, and 64 kSPS

Programmable Gains (1, 2, 4, 8, and 12)

Fault Detection and Device Testing Capability

SPI™ Data Interface and Four GPIOs

Package: TQFP-64 (PAG)

These complete analog front-end (AFE) solutions are

packaged in a TQFP-64 package and are specified

over the industrial temperature range of –40°C to

+105°C.

Operating Temperature Range:

–40°C to +105°C

Current

ûꢀ

ADC

Sensing

Device

Channel 1

Channel 2

PGA

Line A

APPLICATIONS

Voltage

Sensing

•

Industrial Power Applications:

ûꢀ

ADC

Voltage

Reference

–

Energy Metering

Current

Sensing

ûꢀ

ADC

Oscillator

Monitoring, Control, and Protection

Channel 3

Channel 4

PGA

Line B

Line C

Line N

Voltage

Sensing

ûꢀ

ADC

EMI

Filters

and

Input

MUX

DESCRIPTION

The ADS131E0x are

simultaneous sampling, 24- and 16-bit, delta-sigma

(ΔΣ), analog-to-digital converters (ADCs) with a built-

in programmable gain amplifier (PGA), internal

reference, and an onboard oscillator.

Control

and

SPI Interface

a family of multichannel,

ûꢀ

ADC

Current

Sensing

Channel 5

Channel 6

PGA

ûꢀ

ADC

Fault

Detection

Voltage

Sensing

Test

ûꢀ

ADC

Channel 7

Channel 8

Current

Sensing

Amp

ûꢀ

ADC

Voltage

Sensing

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.

SPI is a trademark of Motorola.

All other trademarks are the property of their respective owners.

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...60

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