ADE7756 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

ADE7756

Single-Phase Multifunction Metering IC

Analog Devices 

40A

TO

40mA

10␮F

RB

1k⍀

RB

33nF

1k⍀

33nF

110V

1k⍀ 33nF

1M⍀

1k⍀ 33nF

10␮F 100nF

VDD

100nF

100nF

AVDD DVDD RESET

DIN

DOUT

V1P

U1

SCLK

ADE7756 CS

V1N

CLKOUT

V2N

CLKIN

IRQ

10␮F

TO

SPI BUS (USED

ONLY FOR

CALIBRATION)

Y1

3.58MHz

22pF

22pF

V2P

SAG

NOT CONNECTED

ZX

REFIN/OUT

AGND

CF

DGND

CT TURN RATIO = 1800:1

CHANNEL 2 GAIN = 4

GAIN(CH1) RB

1

15.8⍀

2

7.5⍀

4

4.0⍀

8

2.0⍀

16

1.0⍀

U3

TO

FREQUENCY

COUNTER

PS2501-1

TPC 13. Test Circuit for Performance Curves

0.50

0.40

0.30

5.25V

0.20

0.10

0

5.0V

–0.10

–0.20

4.75V

–0.30

–0.40

–0.50

0.01

0.10

1.0

10.0

100.0

AMPS

TPC 14. PSR with Internal Reference

ADE7756

0.8

0.6

0.4

PF = 1

0.2

PF = 0.5

0

–0.2

–0.4

–0.6

45

50

55

60

65

70

75

FREQUENCY – Hz

TPC 15. Error as a % of Reading over Frequency

0.50

0.40

0.30

0.20

0.10

0

5.25V

5.0V

–0.10

–0.20

4.75V

–0.30

–0.40

–0.50

0.01

0.10

1.0

10.0

100.0

AMPS

TPC 16. PSR with External Reference

REV. 0

–11–

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