LS1240AL-S08-T datasheet(3/5 Pages) UTC

部件名	LS1240AL-S08-T

功能描述	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

Download	5 Pages

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制造商	UTC [Unisonic Technologies]

网页	http://www.utc-ic.com

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3 / 5 page

LS1240A

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R108-002.I

BLOCK DIAGRAM

1

2

3

4

8

7

6

5

N.C.

BUZZER

TELEPHONE

LINE

RECTIFIER

CAPACITOR

IN

RECTIFIER

BRIDGE

THRESHOLD

CIRCUIT

WITH

HYSTERESIS

OUTPUT

STAGE

NONE

FREQUENCY

GENERATOR

SWITCHING

FREQUENCY

GENERATOR

SWEEP RATE

CONTROL CAPACITOR

OUTPUT FREQYENCY

CONTROL RESISTOR

GND

TELEPHONE

LINE

TEST CIRCUIT

R1=

27200

f1(Hz)

f2=0.725f1

fSWEEP =

750

C1(nF)

2.2k

1 F

10 F

C1

100nF

R1

14k

RL

Vout

VAB

85

7

1

2

3

4

UTC LS1240A

*(1-0.04 In

f1

1943

)

类似零件编号 - LS1240AL-S08-T

制造商	部件名	数据表	功能描述
Unisonic Technologies	LS1240AL-D08-T	179Kb / 5P	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

More results

类似说明 - LS1240AL-S08-T

制造商	部件名	数据表	功能描述
Unisonic Technologies	LS1240A	179Kb / 5P	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER
STMicroelectronics	LS1240A	496Kb / 7P	Electronic two-tone ringer August 2006 Rev 2
STMicroelectronics	LS1240A	245Kb / 9P	Electronic two-tone ringer
Hangzhou Youwang Electr...	UTC1240A	92Kb / 3P	ELECTRONIC DUAL-TONE RINGER
Hynix Semiconductor	GL6840A	87Kb / 8P	Electronic Two Tone Ringer
STMicroelectronics	LS1241	175Kb / 3P	Electronic Two - Tone Ringer
Wing Shing Computer Com...	LS1240A	282Kb / 4P	Electronic Two-Tone Ringer
Samsung semiconductor	KA2418B	38Kb / 3P	TONE RINGER WITH BRIDGE DIODE
Daewoo Semiconductor	DBL5010	213Kb / 5P	TONE RINGER WITH BRIDGE DIODE
Taiwan Semiconductor Co...	TS2418	279Kb / 5P	Telephone Tone Ringer with Bridge Diode