SA9102C データシートの表示（PDF） - South African Micro Electronic Systems

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SA9102C

SINGLE PHASE UNIDIRECTIONAL POWER/ENERGY METERING IC PULSE OUTPUT

South African Micro Electronic Systems 

SA9102C

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

Supply Voltage: Positive VDD 2.25

2.75 V

Supply Voltage: Negative VSS -2.75

-2.25 V

Supply Current: Positive

IDD

5 10 mA

Supply Current: Negative I

SS

5 10 mA

Current Sensor Inputs (Differential)

Input Current Range

III

-25

Voltage Sensor Input (Asymetrical)

+25 µA Peak value

Input Current Range

IIV

-25

Pins FOUT1, FOUT2

Output Low Voltage V

OL

Output High Voltage V V -1

OH

DD

Pulse Rate FOUT1

f

10

P

0.5

+25 µA Peak value

V -1 V I = 5mA

SS

OL

V I = -2mA

OH

1160 Hz Specified linearity

1600 Hz Min and max limits

Oscillator

FOUT21

fP2

fP/290

Recommended crystal:

TV colour burst crystal f = 3.5795 MHz

Pin VREF

Ref. Current

Ref. Voltage

I

45 50 55 µA

R

V

1.1

1.3 V

R

Note 1: An option of FOUT2 = f /4 is available on request.

p

With R = 24kΩ

connected to V

SS

Referred to V

SS

# Extended Operating Temperature Range available on request.

sames

3/12

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