AD7713 datasheet(26/28 Pages) AD

26 / 28 page

REV. C

–26–

AD7713

OTHER 24-BIT SIGNAL CONDITIONING ADCS AVAILABLE

FROM ANALOG DEVICES

FUNCTIONAL BLOCK DIAGRAM

CLOCK

GENERATION

SERIAL INTERFACE

CONTROL

OUTPUT

CHARGING BALANCING A/D

CONVERTER

AUTO-ZEROED

∑ − ∆

MODULATOR

DIGITAL

FILTER

AD7710

AGND DGND

MODE SDATA SCLK

MCLK

OUT

MCLK

AIN1(+)

AIN1(–)

AIN2(+)

AIN2(–)

REF

IN(–)

REF

IN(+)

AVDD DVDD

AVDD

4.5µA

A = 1 – 128

VSS

AVDD

20µA

VBIAS

REF OUT

SYNC

DRDY

TFS

RFS

RTD

CURRENT

2.5V REFERENCE

PGA

FUNCTIONAL BLOCK DIAGRAM

CLOCK

GENERATION

SERIAL INTERFACE

CONTROL

OUTPUT

CHARGING BALANCING A/D

CONVERTER

AUTO-ZEROED

∑ − ∆

MODULATOR

DIGITAL

FILTER

AD7711

AGND DGND

MODE SDATA SCLK

MCLK

OUT

MCLK

AIN1(+)

AIN1(–)

AIN2

REF

IN(–)

REF

IN(+)

AVDD DVDD

AVDD

4.5µA

A = 1 – 128

VSS

AVDD

200µA

VBIAS

REF OUT

SYNC

DRDY

TFS

RFS

RTD2

2.5V REFERENCE

PGA

200µA

RTD1

AD7710

FEATURES

Charge Balancing ADC

24 Bits No Missing Codes

0.0015% Nonlinearity

Two-Channel Programmable Gain Front End

Gains from 1 to 128

Differential Inputs

Low-Pass Filter with Programmable Filter Cutoffs

Ability to Read/Write Calibration Coefficients

Bidirectional Microcontroller Serial Interface

Internal/External Reference Option

Single or Dual Supply Operation

Low Power (25 mW typ) with Power-Down Mode

(7 mW typ}

APPLICATIONS

Weigh Scales

Thermocouples

Process Control

Smart Transmitters

Chromatography

AD7711

FEATURES

Charge Balancing ADC

24 Bits No Missing Codes

0.0015% Nonlinearity

Two-Channel Programmable Gain Front End

Gains from 1 to 128

One Differential Input

One Single-Ended Input

Low-Pass Filter with Programmable Filter Cutoffs

Ability to Read/Write Calibration Coefficients

RTD Excitation Current Sources

Bidirectional Microcontroller Serial Interface

Internal/External Reference Option

Single or Dual Supply Operation

Low Power (25 mW typ) with Power-Down Mode

(7 mW typ)

APPLICATIONS

RTD Transducers

Process Control

Smart Transmitters

Portable Industrial Instruments

AD7713 bảng dữ liệu(PDF) 26 Page - Analog Devices

AD7713 bảng dữ liệu(HTML) 26 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

bảng dữ liệu tải về

Link URL