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SA9106APA

SINGLE PHASE WATT MEASUREMENT IC WITH INTEGRATED 5 DIGIT LED DISPLAY DRIVER

South African Micro Electronic Systems 

SA9106A

ABSOLUTE MAXIMUM RATINGS*

Parameter

Symbol

Supply Voltage

Current on any pin

Storage Temperature

Operating Temperature

VDD -VSS

I

PIN

TSTG

TO

Min

-0.3

-150

-40

-25

Max

6.0

+150

+125

+85

Unit

V

mA

°C

°C

* Stresses above those listed under “Absolute Maximum Ratings” may cause perma-

nent damage to the device. This is a stress rating only. Functional operation of the

device at these or any other condition above those indicated in the operational sections

of this specification, is not implied. Exposure to Absolute Maximum Ratings for

extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

(VDD and VDDA = 2.5V, VSS and VSSA = -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 (Asymetric)

+25 µA Peak value

Input Current Range

Display outputs

Digit Outputs

Segment Drivers

IIV

-25

IOL

80

IOH

20

+25 µA Peak value

mA VOL = VSS + 0.5V

mA VOH = VDD - 0.5V

Oscillator

Recommended crystal:

TV colour burst crystal f = 3.5795 MHz

Pin VREF

Ref. Current

Ref. Voltage

-I

45 50 55 µA

R

VR

1.1

1.3 V

# Extended Operating Temperature Range available on request.

sames

With R7 = 24kΩ

connected to V

SS

Referred to VSS

3/14

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