BL0921

BL0921

BL0921

BL0921

http://www.belling.com.cn

- 3 -

3/15/2007

Total 13 Pages

Single Phase Energy Meter IC

Single Phase Energy Meter IC

Single Phase Energy Meter IC

Single Phase Energy Meter IC

with Integrated Oscillator

with Integrated Oscillator

with Integrated Oscillator

with Integrated Oscillator

ELECTRONIC CHARACTERISTIC PARAMETER

(T=25℃, VDD=5V，On-Chip Oscillator，On-Chip voltage reference)

Parameter

Symbol

Test Condition

Measure

Pin

Min

Value

Typica

l Value

Max

Value

Unit

1 Power Supply

Pin1

5

mA

2 Logic Input Pins

S1, S0, G,

Pin 9,

10, 11

Input High Voltage

2

V

Input Low Voltage

VDD=5V

1

V

Input Capacitance

10

pF

3 Logic Output Pins F1,

F2, CF, REVP, FAULT

Pin16,15

,14,13,12

Output High Voltage

4.4

V

Output Low Voltage

0.5

V

4 On-chip Reference

Vref

VDD=5V

Pin7

2.3

2.5

2.7

V

Temperature coefficient

30

60

ppm/

°C

5 Analog Input Pins

V1A, V1B, V1N, V2N,

V2P

Pin

2,3,4,5,,6

Maximum Input Voltage

±1

V

DC Input Impedance

330

Kohm

Input Capacitance

6

10

pF

6 Accuracy

Measurement Error on

Channel 1 and 2

Gain=1

ENL1

Pin14

0.1

%

Gain=16

ENL16

Both channels with

Full-Scale signal

±660mV over a

dynamic range 500 to 1

Pin14

0.1

%

Phase

Error

between

Channels

Channel 1 Lead 37

°

(PF=0.8 Capacitive)

Pin14

0.1

°

Channel 1 Lags

(PF=0.5 Inductive)

Pin14

0.1

°

7 Start Current

Ib=5A, C=3200

Pin14

0.2%Ib

A

8 Positive and Negative

Real Power Error (%)

ENP

Vv=

±110mV,V(I)=2mV,

cos

ϕ=1

Vv=

±110mV,V(I)=2mV,

cos

ϕ=-1

Pin14

0.1

0.3

%

9 Gain Error

Gain error

Pin14

±5

%