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ADE7755ARSRLZ

更新时间： 2024-09-30 12:32:03

品牌	Logo	应用领域
亚德诺 - ADI		模拟IC 信号电路脉冲光电二极管
页数	文件大小	规格书
20页	457K
描述
Energy Metering IC with Pulse Output

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ADE7755ARSRLZ 数据手册

Energy Metering IC with Pulse Output

ADE7755

FEATURES

GENERAL DESCRIPTION

High accuracy, surpasses 50 Hz/60 Hz IEC 687/IEC 1036

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

The ADE7755 is a high accuracy electrical energy measurement

IC. The part specifications surpass the accuracy requirements as

Supplies active power on the frequency outputs, F1 and F2

High frequency output CF is intended for calibration and

supplies instantaneous active power

Synchronous CF and F1/F2 outputs

Logic output REVP provides information regarding the sign

of the active power

quoted in the IEC 1036 standard.

The only analog circuitry used in the ADE7755 is in the ADCs

and reference circuit. All other signal processing (for example,

multiplication and filtering) is carried out in the digital domain.

This approach provides superior stability and accuracy over

extremes in environmental conditions and over time.

Direct drive for electromechanical counters and 2-phase

stepper motors (F1 and F2)

The ADE7755 supplies average active power information on the

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

used to directly drive an electromechanical counter or interface to

an MCU. The CF logic output gives instantaneous active power

information. This output is intended to be used for calibration

purposes or for interfacing to an MCU.

Programmable gain amplifier (PGA) in the current channel

facilitates usage of small shunts and burden resistors

Proprietary ADCs and DSPs 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 2.5 V 8% (30 ppm/°C typical) with

external overdrive capability

Single 5 V supply, low power (15 mW typical)

Low cost CMOS process

The ADE7755 includes a power supply monitoring circuit on the

AV_DDsupply pin. The ADE7755 remains in a reset condition until

the supply voltage on AV_DDreaches 4 V. If the supply falls below

4 V, the ADE7755 resets and no pulse is issued on F1, F2, and CF.

Internal phase matching circuitry ensures that the voltage and

current channels are phase matched whether the HPF in Channel 1

is on or off. An internal no load threshold ensures that the

ADE7755 does not exhibit any creep when there is no load.

The ADE7755 is available in a 24-lead SSOP package.

FUNCTIONAL BLOCK DIAGRAM

G0 G1

16 15

AGND

DGND

AC/DC

ADE7755

POWER

SUPPLY MONITOR

SIGNAL

PROCESSING

BLOCK

PHASE

CORRECTION

V1P

V1N

...110101...

ADC

PGA

×1, ×2, ×8, ×16

HPF

LPF

MULTIPLIER

V2P

V2N

...11011001...

ADC

DIGITAL-TO-FREQUENCY

CONVERTER

RESET

4kΩ

2.5V

REFERENCE

REF

CLKIN CLKOUT SCF S0 S1 REVP CF F1 F2

IN/OUT

Figure 1.

¹U.S. Patents 5,745,323; 5,760,617; 5,862,069; and 5,872,469.

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

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 arethe 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

12 3 4 5 6 7...20

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与ADE7755ARSRLZ相关器件

型号	品牌	获取价格	描述	数据表
ADE7755ARSRLZ1	ADI	获取价格	Energy Metering IC with Pulse Output
ADE7755ARSZ	ADI	获取价格	Energy Metering IC with Pulse Output
ADE7755ARSZ1	ADI	获取价格	Energy Metering IC with Pulse Output
ADE7755ARSZRL	ADI	获取价格	Energy Metering IC with Pulse Output
ADE7756	ADI	获取价格	Active Energy Metering IC with Serial Interface
ADE7756AN	ADI	获取价格	Active Energy Metering IC with Serial Interface
ADE7756AN	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, PDIP20, PLASTIC, DIP-20
ADE7756AN-REF	ADI	获取价格	Active Energy Metering IC with Serial Interface
ADE7756ARS	ADI	获取价格	Active Energy Metering IC with Serial Interface
ADE7756ARS	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO20, SSOP-20

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