Datasheet > AD7734BRU-REEL7

AD7734BRU-REEL7

更新时间： 2024-11-06 17:48:55

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
32页	438K
描述
4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28, TSSOP-28

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AD7734BRU-REEL7 数据手册

4-Channel, 10 V Input Range, High

Throughput, 24-Bit ∑-∆ ADC

Data Sheet

FEATURES

High resolution ADC

24 bits no missing codes

AD7734

FUNCTIONAL BLOCK DIAGRAM

REFIN(–) REFIN(+)

0.0025% nonlinearity

AIN0

AIN1

AIN2

AIN3

REFERENCE

DETECT

Optimized for fast channel switching

18-bit p-p resolution (21 bits effective) at 500 Hz

16-bit p-p resolution (19 bits effective) at 2 kHz

14-bit p-p resolution (18 bits effective) at 15 kHz

On-chip per channel system calibration

4 single-ended analog inputs

Input ranges +5 V, 5 V, +10 V, 10 V

Overvoltage tolerant

BUFFER

MUX

24-BIT

Σ−∆ ADC

AD7734

Up to 16.5 V not affecting adjacent channel

Up to 50 V absolute maximum

3-wire serial interface

SPI™, QSPI™, MICROWIRE™, and DSP compatible

Schmitt trigger on logic inputs

Single-supply operation

BIASHI

BIASLO

SCLK

DOUT

CALIBRATION

CIRCUITRY

SERIAL

INTERFACE

5 V analog supply

3 V or 5 V digital supply

Package: 28-lead TSSOP

RDY

CLOCK

GENERATOR

CONTROL

LOGIC

I/O PORT

RESET

SYNC/P1

APPLICATIONS

PLCs/DCS

Multiplexing applications

Process control

AGND AV

MCLKOUT MCLKIN DGND DV

Figure 1.

Industrial instrumentation

3-wire operation and is compatible with microcontrollers and

digital signal processors. All interface inputs are Schmitt

triggered.

GENERAL DESCRIPTION

The AD7734 is a high precision, high throughput analog front

end. True 16-bit p-p resolution is achievable with a total

conversion time of 500 µs (2 kHz channel switching), making it

ideally suitable for high resolution multiplexing applications.

The part is specified for operation over the extended industrial

temperature range of –40°C to +105°C.

Other parts in the AD7734 family are the AD7732 and

the AD7738.

The part can be configured via a simple digital interface, which

allows users to balance the noise performance against data

throughput up to a 15.4 kHz.

The AD7732 is similar to AD7734, but its analog front end

features two fully differential input channels.

The analog front end features four single-ended input channels

with unipolar or true bipolar input ranges to 10 V while

operating from a single +5 V analog supply. The part has an

overrange and underrange detection capability and accepts an

analog input overvoltage to 16.5 V without degrading the

performance of the adjacent channels.

The AD7738 analog front end is configurable for four fully

differential or eight single-ended input channels, features

0.625 V to 2.5 V bipolar/unipolar input ranges, and accepts a

common-mode input voltage from 200 mV to AVDD–300 mV.

The AD7738 multiplexer output is pinned out externally,

allowing the user to implement programmable gain or signal

conditioning before being applied to the ADC.

The differential reference input features “No-Reference” detect

capability. The ADC also supports per channel system calibra-

tion options. The digital serial interface can be configured for

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

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AD7734BRU-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7734BRUZ-REEL7	ADI	完全替代	4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7734BRUZ	ADI	完全替代	4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7734BRU	ADI	完全替代	4-Channel, +-10 V Input Range, High Throughput, 24-Bit sigma ∆ ADC

与AD7734BRU-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7734BRUZ	ADI	获取价格	4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7734BRUZ-REEL	ADI	获取价格	4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7734BRUZ-REEL7	ADI	获取价格	4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7738	ADI	获取价格	8-Channel, High Throughput,
AD7738BRU	ADI	获取价格	8-Channel, High Throughput,
AD7738BRU-REEL7	ADI	获取价格	8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28, MO-153AE, TSSOP-28
AD7738BRUZ	ADI	获取价格	8-Channel, High Throughput, 24-Bit - ADC
AD7738BRUZ-REEL7	ADI	获取价格	8-Channel, High Throughput 24-Bit ADC
AD7739	ADI	获取价格	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRU	ADI	获取价格	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC

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