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AD7739BRU-REEL7

更新时间： 2024-11-05 21:53:51

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器光电二极管
页数	文件大小	规格书
32页	371K
描述
8-Channel, High Throughput, 24-Bit Sigma-Delta ADC

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替代型号

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AD7739BRU-REEL7 数据手册

8-Channel, High Throughput,

∑

24-Bit -∆ ADC

AD7739

FEATURES

High resolution ADC

FUNCTIONAL BLOCK DIAGRAM

REFIN(–) REFIN(+)

24 bits no missing codes

±±0±±ꢀ5% nonlinearity

REFERENCE

DETECT

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

Optimized for fast channel switching

ꢀ8-bit p-p resolution (2ꢀ bits effective) at 5±± Hz

ꢀ6-bit p-p resolution (ꢀ9 bits effective) at 4 kHz

On-chip per channel system calibration

Configurable inputs

8 single-ended or 4 fully differential

Input ranges

+625 mV, ±625 mV, +ꢀ025 V, ±ꢀ025 V, +205 V, ±205 V

3-wire serial interface

BUFFER

24-BIT

MUX

Σ-∆ ADC

AD7739

SCLK

DOUT

DIN

CALIBRATION

CIRCUITRY

SERIAL

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

Schmitt trigger on logic inputs

Single-supply operation

AINCOM/P0

INTERFACE

5 V analog supply

3 V or 5 V digital supply

Package: 24-lead TSSOP

RESET

RDY

CLOCK

CONTROL

LOGIC

I/O PORT

GENERATOR

SYNC/P1

APPLICATIONS

PLCs/DCSs

AGND AV

MCLKOUT MCLKIN DGND DV

03742-0-001

Figure 1.

Multiplexing applications

Process control

Industrial instrumentation

The digital serial interface can be configured for 3-wire

operation and is compatible with microcontrollers and digital

signal processors. All interface inputs are Schmitt triggered.

The part is specified for operation over the extended industrial

temperature range of –40°C to +105°C.

GENERAL DESCRIPTION

The AD7739 is a high precision, high throughput analog front

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

conversion time of 250 µs (4 kHz channel switching), making it

ideally suited to high resolution multiplexing applications.

Other parts in the AD7739 family are the AD7738, AD7734,

and AD7732.

The AD7738 is similar to the AD7739 but has higher speed

(8.5 kHz channel switching for 16-bit performance) and higher

AIN leakage current. 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 part can be configured via a simple digital interface, which

allows users to balance the noise performance against data

throughput up to 15 kHz.

The analog front end features eight single-ended or four fully

differential input channels with unipolar or bipolar 625 mV,

1.25 V, and 2.5 V input ranges. It accepts a common-mode input

voltage from 200 mV above AGND to AV_DD– 300 mV.

The AD7734 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 AD7734

accepts an analog input overvoltage to 16.5 V without

degrading the performance of the adjacent channels.

The differential reference input features “No-Reference” detect

capability. The ADC also supports per channel system

calibration options.

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

features two fully differential input channels.

Rev0 ±

Information furnished by Analog Devices is believed to be accurate and reliable0

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use0

Specifications subject to change without notice0 No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices0 Trademarks and

registered trademarks are the property of their respective companies0

One Technology Way, P0O0 Box 9ꢀ±6, Norwood, MA ±2±62-9ꢀ±6, U0S0A0

Tel: 78ꢀ0329047±±

Fax: 78ꢀ0326087±3

www0analog0com

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AD7739BRU-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7739BRUZ-REEL7	ADI	功能相似	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRUZ	ADI	功能相似	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRU	ADI	功能相似	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC

与AD7739BRU-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7739BRUZ	ADI	获取价格	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRUZ-REEL7	ADI	获取价格	8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD773A	ADI	获取价格	10-Bit, 20 MSPS Monolithic A/D Converter
AD773AJD	ADI	获取价格	10-Bit, 20 MSPS Monolithic A/D Converter
AD773AKD	ADI	获取价格	10-Bit, 20 MSPS Monolithic A/D Converter
AD773ASD/883B	ETC	获取价格	Analog-to-Digital Converter， 10-Bit
AD773JD	ETC	获取价格	Analog-to-Digital Converter， 10-Bit
AD773KD	ETC	获取价格	Analog-to-Digital Converter， 10-Bit
AD7740	ADI	获取价格	3 V/5 V Low Power, Synchronous Voltage-to-Frequency Converter
AD7740KRM	ADI	获取价格	3 V/5 V Low Power, Synchronous Voltage-to-Frequency Converter

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