ADE7752A

更新时间： 2024-11-11 12:35:31

品牌	Logo	应用领域
亚德诺 - ADI		脉冲
页数	文件大小	规格书
24页	401K
描述
Polyphase Energy Metering IC with Pulse Output

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ADE7752A 数据手册

Polyphase Energy Metering IC

with Pulse Output

ADE7752/ADE7752A

ADE7752A are the same. Both products are referred to in the

text of this data sheet as ADE7752.

FEATURES

High accuracy, supports 50 Hz/60 Hz IEC62053-2x

Less than 0.1% error over a dynamic range of 500 to 1

Compatible with 3-phase/3-wire delta and 3-phase/4-wire

Wye configurations

The ADE7752 supplies average real power on frequency

outputs F1 and F2

High frequency output CF is intended for calibration and

supplies instantaneous real power

Logic output REVP indicates a potential miswiring or

negative power for each phase

Direct drive for electromechanical counters and 2-phase

stepper motors (F1 and F2)

Proprietary ADCs and DSP provide high accuracy over large

variations in environmental conditions and time

On-chip power supply monitoring

On-chip creep protection (no load threshold)

On-chip reference 2.4 V ±±% (20 ppm/°C typical) with

external overdrive capability

The part specifications surpass the accuracy requirements as

quoted in the IEC62053-2x standard. The only analog circuitry

used in the ADE7752 is in the analog-to-digital converters (ADCs)

and reference circuit. All other signal processing (such as multi-

plication, filtering, and summation) is carried out in the digital

domain. This approach provides superior stability and accuracy

over extremes in environmental conditions and over time.

The ADE7752 supplies average real power information on the

low frequency outputs, F1 and F2. These logic outputs may be

used to directly drive an electromechanical counter or to

interface with an MCU. The CF logic output gives instanta-

neous real power information. This output is intended to be

used for calibration purposes.

The ADE7752 includes a power supply monitoring circuit on

the V_DDpin. The ADE7752 remains inactive until the supply

voltage on V_DDreaches 4 V. If the supply falls below 4 V, no

pulses are issued on F1, F2, and CF. Internal phase matching

circuitry ensures that the voltage and current channels are

phase matched. An internal no load threshold ensures the part

does not exhibit any creep when there is no load. The ADE7752

is available in a 24-lead SOIC package.

Single 5 V supply, low power

60 mW typical: ADE7752

30 mW typical: ADE7752A

Low cost CMOS process

GENERAL DESCRIPTION

The ADE7752 is a high accuracy polyphase electrical energy

measurement IC. The ADE7752A is a pin-to-pin compatible

low power version of ADE7752. The functions of ADE7752 and

FUNCTIONAL BLOCK DIAGRAM

ABS

IAP

IAN

VAP

ADC

POWER

SUPPLY

MONITOR

HPF

LPF

PHASE

CORRECTION

ADE7752/

ADE7752A

IBP

IBN

ADC

HPF

DGND

VBP

CLKIN

PHASE

CORRECTION

CLKOUT

ICP

ADC

ICN 10

HPF

VCP

DIGITAL-TO-FREQUENCY CONVERTER

PHASE

CORRECTION

4kΩ

2.4V REF

AGND

REF

IN/OUT

REVP

SCF

Figure 1. 24-Lead Standard Small Outline Package [SOIC]

Rev. C

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 registered trademarks are theproperty of their respective owners.

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

Tel: 7±1.329.4700

Fax: 7±1.461.3113

www.analog.com

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与ADE7752A相关器件

型号	品牌	获取价格	描述	数据表
ADE7752A_15	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752AAR	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752AAR-RL	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752AARZ	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752AARZ-RL	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752AR	ADI	获取价格	Three Phase Energy Metering IC with Pulse Output
ADE7752ARRL	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752ARW	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO24, SOIC-24, Analog IC:Other
ADE7752ARZ	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output
ADE7752ARZ-RL	ADI	获取价格	Polyphase Energy Metering IC with Pulse Output

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