Datasheet > AD7403-8BRIZ-RL7

AD7403-8BRIZ-RL7

更新时间： 2024-02-28 12:34:14

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
25页	655K
描述
16-Bit, Isolated Sigma-Delta Modulator

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AD7403-8BRIZ-RL7 数据手册

16-Bit, Isolated Sigma-Delta Modulator

Data Sheet

AD7403

FEATURES

FUNCTIONAL BLOCK DIAGRAM

DD1

DD2

5 MHz to 20 MHz external clock input rate

16 bits, no missing codes

Signal-to-noise ratio (SNR): 88 dB typical

Effective number of bits (ENOB): 14.2 bits typical

Offset drift vs. temperature

BUF

CLK

DECODER

CLK

ENCODER

MCLKIN

(5MHz

TO 20MHz)

REF

AD7403: 1.6 µV/°C typical

AD7403-8: 2 µV/°C typical

On-board digital isolator

IN+

Σ-Δ ADC

DATA

ENCODER

DATA

DECODER

IN–

MDAT

On-board reference

Full-scale analog input range: 320 mV

Operating range

AD7403

AD7403: −40°C to + 125°C

AD7403-8: −40°C to + 105°C

GND

High common-mode transient immunity: >25 kV/µs

Wide-body SOIC with increased creepage package

Slew rate limited output for low EMI

Safety and regulatory approvals

UL recognition

Figure 1.

5000 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice 5A

VDE Certificate of Conformity

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12

_IORM= 1250 V_PEAK

APPLICATIONS

Shunt current monitoring

AC motor controls

Power and solar inverters

Wind turbine inverters

Data acquisition systems

Analog-to-digital and optoisolator replacements

information can be reconstructed with an appropriate digital

filter to achieve 88 dB signal to noise ratio (SNR) at 78.1 kSPS.

The serial input/output can use a 5 V or a 3 V supply (V_DD2).

GENERAL DESCRIPTION

The AD7403¹is a high performance, second-order, Σ-Δ modulator

that converts an analog input signal into a high speed, single-bit

data stream, with on-chip digital isolation based on Analog

Devices, Inc., iCoupler® technology. The device operates from a

5 V (V_DD1) power supply and accepts a differential input signal

of 250 mV ( 320 mV full-scale). The differential input is ideally

suited to shunt voltage monitoring in high voltage applications

where galvanic isolation is required.

The serial interface is digitally isolated. High speed complementary

metal oxide semiconductor (CMOS) technology, combined with

monolithic transformer technology, means the on-chip isolation

provides outstanding performance characteristics, superior to

alternatives such as optocoupler devices. The AD7403 device is

offered in a 16-lead, wide-body SOIC package and has an oper-

ating temperature range of −40°C to +125°C. The AD7403-8

device is offered in an 8-lead, wide-body SOIC package and has

an operating temperature range of −40°C to +105°C.

The analog input is continuously sampled by a high performance

analog modulator, and converted to a ones density digital output

stream with a data rate of up to 20 MHz. The original

¹Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.

Rev. B

Document Feedback

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.

Technical Support

www.analog.com

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AD7403-8BRIZ-RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7403-8BRIZ-RL	ADI	完全替代	16-Bit, Isolated Sigma-Delta Modulator
AD7403-8BRIZ	ADI	完全替代	16-Bit, Isolated Sigma-Delta Modulator

与AD7403-8BRIZ-RL7相关器件

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AD7403BRIZ	ADI	获取价格	16-Bit, Isolated Sigma-Delta Modulator
AD7403BRIZ-RL	ADI	获取价格	16-Bit, Isolated Sigma-Delta Modulator
AD7403BRIZ-RL7	ADI	获取价格	16-Bit, Isolated Sigma-Delta Modulator
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AD74111YRU-REEL	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO16, TSSOP-16
AD74111YRU-REEL7	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO16, TSSOP-16

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