ADE7754_15 datasheet(8/44 Pages) AD

8 / 44 page

REV. 0

–8–

ADE7754

FREQUENCY (Hz)

1.00

0.00

–1.00

–0.80

–0.60

–0.40

–0.20

0.20

0.40

0.60

0.80

GAIN = 1

INTERNAL REFERENCE

PF = 1

PF = 0.5

TPC 7. Real Power Error as a Percentage of Read-

ing over Input Frequency with Internal Reference

0.20

–0.20

0.01

0.1

100

–0.16

–0.12

–0.08

–0.04

0.04

0.00

0.08

0.12

0.16

4.75V

5.25V

CURRENT INPUT (% fs)

GAIN = 1

PF = 1

EXTERNAL REFERENCE

TPC 8. Real Power Error as a Percentage of Read-

ing over Power Supply with External Reference

(Gain = 1)

–0.20

0.01

0.1

CURRENT INPUT (% fs)

100

–0.15

–0.10

–0.05

0.00

0.05

0.10

0.15

0.20

GAIN = 1

PF = 1

INTERNAL REFERENCE

4.75V

5.25V

TPC 9. Real Power Error as a Percentage of Reading

over Power Supply with Internal Reference (Gain = 1)

AVDD DVDD RESET

REFIN/OUT

33nF

100nF

33nF

10 F

VDD

VN AGND DGND

DOUT

SCLK

CLKOUT

CLKIN

DIN

IRQ

10MHz

22pF

PS2501-1

ADE7754

TO FREQ.

COUNTER

IAP

IAN

IBP

IBN

ICP

ICN

SAME AS

IAP, IAN

SAME AS

IAP, IAN

SAME AS VAP

100nF

10 F

VAP

VBP

VCP

33nF

220V

33nF

825

TO SPI BUS

ONLY USED FOR

CALIBRATION

TPC 10. Test Circuit for Performance Curves

CH_I PhA OFFSET (mV)

–20

–15

–10

–5

N = 116

MEAN = 4.33955

SD = 3.13475

LIMITS: LOW = –19, HIGH = +19

MIN = –2.21937

MAX = +14.7485

RANGE = 16.9669

TPC 11. Current Channel Offset Distribution (Gain = 1)

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