SA9109B

sames

3/18

ABSOLUTE MAXIMUM RATINGS*

Parameter

Symbol

Min

Max

Unit

Supply Voltage

V

-0.3

6.0

V

Current on any pin

I

PIN

-150

+150

mA

Storage Temperature

T

STG

-40

+125

°C

Operating Temperature

T

O

-40

+85

°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

(V

specified.)

Parameter

Symbol

Min

Typ

Max

Unit

Condition

Operating temperature

range #

T

o

-25

+85

°C

Supply Voltage: Positive

V

DD

2.25

2.75

V

Supply Voltage: Negative

V

SS

-2.75

-2.25

V

Supply Current: Positive

I

DD

710

mA

Supply Current: Negative

I

SS

710

mA

Current Sensor Inputs (Differential)

Input Current Range

I

II

-25

+25

µA

Voltage Sensor Inputs (Asymmetric)

Input current Range

I

IV

-25

+25

µA

LCD backplane Voltage

V

B

V

V

SS

V

R[0] ... R3]

LCD segment Voltage

V

S

1/3V

DD

V

S[0] ...S[15]

2/3V

DD

Pin SDO

Pulse rate

f

P

3.5

Hz

35

Hz

Pulse width

t

p

4.3

5.9

mS

Output Low Voltage

V

OL

V

V

I

Output High Voltage

V

OH

V

V

I

Oscillator

Recommended crystal:

TV colour burst crystal f = 3.5795 MHz