SA9105FFA Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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SA9105FFA

THREE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT

South African Micro Electronic Systems 

SA9105F

2. Analog Input Configuration

The current and voltage sensor inputs are illustrated below.

These inputs are protected against electrostatic discharge through clamping

diodes, in conjunction with the amplifiers input configuration.

The feedback loops from the outputs of the amplifiers A and A generate virtual

I

V

shorts on the signal inputs. Exact duplications of the input currents are generated

for the analog processing circuitry

VDD

IIP

CURRENT

V SS

SENSOR

AI

INPUTS

V DD

IIN

V SS

VDD

IVP

VOLTAGE

SENSOR

V SS

INPUT

AV

DR-00949

GND

3. Electrostatic Discharge (ESD) Protection

The SA9105F integrated circuit's inputs/outputs are protected against ESD.

4. Power Consumption

The overall power consumption rating of the SA9105F integrated circuit is less than

50mW with a 5V supply.

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