ADE7762_15 datasheet(4/28 Pages) AD

No. de pieza	ADE7762

Descripción Electrónicos	Polyphase Energy Metering IC with Phase Drop Indication

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Fabricante Electrónico	AD [Analog Devices]

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ADE7762

Rev. 0 | Page 4 of 28

SPECIFICATIONS

VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, TMIN to TMAX = −40°C to +85°C, unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

ACCURACY1, 2

Measurement Error on Current

Channel

Voltage channel with full-scale signal (±500 mV), 25°C,

over a dynamic range of 500 to 1

0.1

% reading

Phase Error Between Channels

PF = 0.8 Capacitive

±0.1

Degrees

PF = 0.5 Capacitive

±0.1

Degrees

AC Power Supply Rejection

SCF = 0, S0 = S1 = 1

Output Frequency Variation (CF)

IA = IB = IC = 100 mV rms,

VA = VB = VC = 100 mV rms @ 50 Hz,

Ripple on VDD of 200 mV rms @ 100 Hz

0.01

% reading

DC Power Supply Rejection

S1 = 1, S0 = SCF = 0

Output Frequency Variation (CF)

V1 = 100 mV rms, V2 = 100 mV rms,

VDD = 5 V ± 250 mV

0.1

% reading

ANALOG INPUTS

See the Analog Inputs section

Maximum Signal Levels

VAP – VN, VBP – VN, VCP – VN, IAP – IAN, IBP – IBN, ICP – ICN

±0.5

V peak

difference

Input Impedance (DC)

CLKIN = 10 MHz

370

410

kΩ

Bandwidth (−3 dB)

CLKIN/256, CLKIN = 10 MHz

14

kHz

ADC Offset Error1, 2

±25

mV

Gain Error

External 2.5 V reference, IA = IB = IC = 500 mV dc

±9

% ideal

REFERENCE INPUT

REFIN/OUT Input Voltage Range

2.4 V + 8%

2.6

V

2.4 V − 8%

2.2

V

Input Impedance

3.3

kΩ

Input Capacitance

10

pF

ON-CHIP REFERENCE

Nominal 2.4 V

Reference Error

±200

mV

Temperature Coefficient

25

ppm/°C

CLKIN (INPUT CLOCK FREQUENCY)

All specifications for CLKIN of 10 MHz

10

MHz

LOGIC INPUTS3

ACF, S0, S1, and ABS

Input High Voltage, VINH

VDD = 5 V ± 5%

2.4

V

Input Low Voltage, VINL

VDD = 5 V ± 5%

0.8

V

Input Current, IIN

Typically 10 nA, VIN = 0 V to VDD

±3

μA

Input Capacitance, CIN

10

pF

LOGIC OUTPUTS3

F1 and F2

Output High Voltage, VOH

ISOURCE = 10 mA, VDD = 5 V

4.5

V

Output Low Voltage, VOL

ISINK = 10 mA, VDD = 5 V

0.5

V

CF and REVP

Output High Voltage, VOH

VDD = 5 V, ISOURCE = 5 mA

4.5

V

Output Low Voltage, VOL

VDD = 5 V, ISINK = 5 mA

0.5

V

LED_CTRL

VDD = 5 V, CLKIN = 10 MHz

Output Frequency

17.39

kHz

Output High Voltage

VDD = 5 V, ISOURCE = 10 mA

4.5

V

Output Low Voltage

VDD = 5 V, ISINK = 10 mA

0.4

V

LED_A, LED_B, LED_C

Output Low ISINK

VDD = 4.75 V

8

mA

Output High Source

VDD = 4.75 V

6

mA

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