LS1240A(2005) Просмотр технического описания (PDF) - Unisonic Technologies

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производитель

LS1240A
(Rev.:2005)

ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

Unisonic Technologies 

LS1240A

LINEAR INTEGRATED CIRCUIT

ABSOLUTE MAXIUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Calling Voltage (f=50Hz) Continuous

VABθ

120

Vrms

Calling Voltage (f=50Hz) (5s ON/10s OFF)

VAB

200

Vrms

Supply Current

IDC

30

mA

Operating Temperature

TOPR

-40 ~ +70

°C

Storage Temperature

TSTG

-65 ~ +150

°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.

ELECTRICAL CHARACTERISTICS (Ta= 25℃, unless otherwise specified)

PARAMETER

Supply Voltage

Current Consumption without load

Activation Voltage

Sustaining Voltage

Differential Resistance in OFF Condition

Output Voltage Swing

Short Circuit Current

AC Operation

Output Frequencies (Vs=26V,R1=14kΩ)

Fout1/Fout2

Programming Resistor Range

Sweep Frequency

SYMBOL TEST CONDITIONS

VS

IB

VS=9.3 to 25V

VON

VOFF

RD

VOUT

IOUT VS=20V, RL=250Ω

MIN TYP MAX UNIT

26 V

1.5 1.8 mA

12

13.5 V

7.8

9.3 V

6.4

kΩ

VS-5

V

70

mA

fOUT1

fOUT2

V3=0V

V3=6V

C1=100nF,R1=14kΩ

1.55

2.53 kHz

1.08

1.9

1.33

1.43

8

56 kΩ

5.25 7.5 9.75 Hz

THERMAL DATA

PARAMETER

Thermal Resistance Junction to Ambient

SOP-8

DIP-8

SYMBOL

θJA

RATINGS

150

100

UNIT

℃/W

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

4 of 5

QW-R108-002,H

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