U9131X

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 11

www.unisonic.com.tw

QW-R502-A34.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

DC Supply Voltage

-0.3~+7.0

V

Input/Output Voltage

V

V

V

V

Power Dissipation

120

mW

Operating Temperature

-20~+70

°C

Storage Temperature

-55~+125

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating Voltage

2.0

5.5

V

Operating Current

Tone

0.3

0.5

mA

Pulse

0.15

0.3

mA

Standby Current

HKS=0, No load, & No key entry

15

μA

Memory Retention Current

0.2

μA

DTMF Output Voltage

130

150

170 mVrms

Pre-emphasis

1

2

3

dB

DTMF Distortion

-30

-23

dB

DTMF Output DC Level

1.0

3.0

V

DTMF Output Sink Current

0.2

mA

DP Output Sink Current

0.5

mA

T/P MUTE Output Sink Current

0.5

mA

HKS I/P Pull-high Resistor

300

KΩ

Keypad Input Drive Current

30

μA

Keypad Input Sink Current

200

400

μA

Keypad Resistance

5.0

KΩ