Datasheet > ADUM7702BRWZ-RL

ADUM7702BRWZ-RL

更新时间： 2024-11-25 02:50:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
22页	493K
描述
16-Bit, Isolated, Sigma-Delta Modulator

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数据手册

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ADUM7702BRWZ-RL 数据手册

16-Bit, Isolated,

Sigma-Delta Modulator

ADuM7702

Data Sheet

FEATURES

FUNCTIONAL BLOCK DIAGRAM

DD2

DD1

5 MHz to 21 MHz master clock input frequency

Offset drift vs. temperature: 0.25 µV/°C

SNR: 82 dB typical

ADuM7702

CLK

DECODER

CLK

ENCODER

MCLKIN

MDAT

16 bits, no missing codes

Full-scale analog input voltage range: 64 mV

ENOB: 13 bits typical

IN+

DATA

ENCODER

DATA

DECODER

GAIN

_DD1: 10 mA maximum

Σ-Δ ADC

IN–

On-board digital isolator

Operating temperature range: −40°C to +125°C

High isolation common-mode transient immunity:

150 kV/µs minimum, V_DD2= 3.3 V

Wide-body SOICs

GND

Figure 1.

16-lead SOIC_W

8-lead SOIC_IC with increased creepage

Safety and regulatory approvals

UL recognition

5700 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice 5A

VDE Certificate of Conformity

DIN V VDE V 0884-10: V_IORM= 1270 V_PEAK

DIN V VDE V 0884-11: V_IORM= 1060 V_PEAK(pending)

APPLICATIONS

Shunt current monitoring

AC motor controls

Power and solar inverters

Wind turbine inverters

Analog-to-digital and optoisolator replacement

GENERAL DESCRIPTION

The ADuM7702 is a high performance, second-order, Σ-Δ

modulator that converts an analog input signal to a high speed,

single-bit data stream, with on-chip digital isolation based on

Analog Devices, Inc., iCoupler® technology. The device operates

from a 4.5 V to 5.5 V power supply range (V_DD1) and accepts a

pseudo differential input signal of 50 mV ( 64 mV full-scale).

The pseudo differential input is ideally suited to shunt voltage

monitoring in high voltage applications where galvanic isolation

is required.

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 21 MHz. The original information

can be reconstructed with an appropriate sinc3 digital filter to

achieve an 82 dB signal-to-noise ratio (SNR) at 78.1 kSPS with a

256 decimation rate and a 20 MHz master clock. The serial input

and output operates from a 5 V or a 3 V supply (V_DD2).

The serial interface is digitally isolated. High speed complementary

metal-oxide semiconductor (CMOS) technology, combined with

monolithic transformer technology, results in on-chip isolation

providing outstanding performance characteristics, superior to

alternatives such as optocoupler devices. The ADuM7702 is

available in both a 16-lead SOIC_W and an 8-lead SOIC_IC

and has an operating temperature range of −40°C to +125°C.

Rev. 0

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

rights of third parties that may result from its 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 and registeredtrademarks are theproperty of their respective owners.

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

Tel: 781.329.4700

Technical Support

www.analog.com

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与ADUM7702BRWZ-RL相关器件

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ADUM7702BRWZ-RL7	ADI	获取价格	16-Bit, Isolated, Sigma-Delta Modulator
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ADUM7703-8BRIZ-RL	ADI	获取价格	16-Bit, Isolated, Sigma-Delta ADC
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ADUM7703BRWZ	ADI	获取价格	16-Bit, Isolated, Sigma-Delta ADC
ADUM7703BRWZ-RL	ADI	获取价格	16-Bit, Isolated, Sigma-Delta ADC
ADUM7703BRWZ-RL7	ADI	获取价格	16-Bit, Isolated, Sigma-Delta ADC
ADUM7704	ADI	获取价格	16-Bit, Isolated, Sigma-Delta Modulator
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