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SA9605A

THREE PHASE POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT

South African Micro Electronic Systems 

SA9605A

ELECTRICAL CHARACTERISTICS

(VDD = 2.5V, VSS = -2.5V, over the temperature range -10°C to +70°C#, unless otherwise

specified.)

Parameter

Symbol Min Typ Max Unit Condition

Operating Temperature

Range #

T

-25

O

+85 °C

Supply Voltage

Supply Current

Nonlinearity of

Power Calculation

VDD-VSS 4.5

I

DD

-0.3

5.5 V

15 mA

+0.3 % 1% - 100% of

rated power

Current Sensor Inputs (Differential)

Input Current Range

III

-25

Voltage Sensor Inputs (Asymmetric)

+25 µA Peak value

Input Current Range

I

IV

Pins FOUT1, FOUT2, DIR

Output Low Voltage

VOL

Output High Voltage

V

OH

Pulse Rate: FOUT1

f

p

-25

V -1

DD

10

+25 µA Peak value

VSS+1 V

V

1160 Hz

3000 Hz

IOL = 5mA

I = -2mA

OH

Specified linearity

Min and max limits

FOUT2

User selectable

Oscillator

Pin VREF

Ref. Current

Ref. Voltage

Recommended crystal:

TV colour burst crystal, f = 3.5795 MHz

With R = 24 kΩ

-I

45 50 55 µA connected to V

R

SS

VR

1.1

1.3 V Referred to VSS

# Extended Operating Temperature Range available on request.

sames

3/14

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