LB8102

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R123-019.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.6~7

V

Supply Current

100

mA

Driving Current

Iomax

5

mA

300

mW

Operating Temperature

-40 ~ +70

°C

Storage Temperature

-50 ~ +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

3.9

5

5.5

V

Operating Current

Load

100

150

300

uA

Output Leakage Current

10

uA

Port 1/2/3/4 Output Voltage

High

Port 1/2/3/4= -50uA

V

Port 1/2/3/4 Output Voltage

Low

Port 1/2/3/4=5mA

0

0.3

0.5

V

Osc Frequency

With Rosc=36K, Cosc=47p

350

KHz



DISEQC CONTROL SIGNAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

22 KHz Tone

17.6

22

26.4

KHz

22 KHz Duty Cycle

Over 0.7Vpp

40

50

60

%

PWK Baseband Timing

One-third bit timing for PWK (pulse width

keying)

400

500

600

us

DRX Signal Input Threshold

0.35

0.45

0.55

Noise Immunity

DC-1MHz noise present at DRX pin

0.5

Switch Time

Switch from end of DiSEqC satellite

message (including parity) to when output

is stable.

5

ms