SA9103E Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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SA9103E

SINGLE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH SERIAL INTERFACE

South African Micro Electronic Systems 

SA9103E

ELECTRICAL CHARACTERISTICS

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

DD

SS

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

I

DD

5

6 mA

Supply Current: Negative I

SS

5

6 mA

Current Sensor Inputs (Differential)

Input Current Range

III

-25

Voltage Sensor Input (Asymetrical)

+25 µA Peak value

Input Current Range

IIV

-25

+25 µA Peak value

Pin SOUT

Output Low Voltage V

OL

Output High Voltage V V -1

OH

DD

V +1 V I = 5mA

SS

OL

V I = -2mA

OH

Pin SIN

High Voltage

Low Voltage

Pull-up Current

V V -1

IH

DD

V

IL

-I

50

I

V

V +1 V

SS

150 µA V = V

IN

SS

Oscillator

Recommended crystal:

TV colour burst crystal f = 3.5795 MHz

Pin VREF

Ref. Current

Ref. Voltage

-IR

45 50 55 µA

VR

1.1

1.3 V

# Extended Operating Temperature Range available on request.

With R = 24kΩ

connected to VSS

Referred to VSS

sames

3/14

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