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TA31002

Unisonic Technologies
Part Number TA31002
Manufacturer Unisonic Technologies
Description TELEPHONE TONE RINGER
Published Oct 26, 2005
Detailed Description UNISONIC TECHNOLOGIES CO., LTD TA31002 LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER DESCRIPTION The UTC TA31002 i...
Datasheet PDF File TA31002 PDF File

TA31002
TA31002

Overview
UNISONIC TECHNOLOGIES CO.
, LTD TA31002 LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER DESCRIPTION The UTC TA31002 is a bipolar integrated circuit designed for telephone bell replacement.
It can also be used as alarms or other alerting devices.
FEATURES *Current consumption is small.
(at no-load) *Package is compaction.
(DIP-8 pin) *Oscillation frequency is variable.
*Built-in threshold circuits prevent false triggering due to power noise as well as “chirps” due to rotary dial.
*Few external components.
DIP-8 *Pb-free plating product number: TA31002L ORDERING INFORMATION Ordering Number Normal Lead Free Plating TA31002-D08-T TA31002L-D08-T Package DIP-8 Packing Tube TA31002L-D08-T (1)Packing Type (2)Package Type (3)Lead Plating (1) T: Tube (2) D08: DIP-8 (3) Lead Free Plating, Blank: Pb/Sn www.
unisonic.
com.
tw Copyright © 2005 Unisonic Technologies Co.
, Ltd 1 of 4 QW-R108-004.
B TA31002 PIN CONFIGURATIONS Vcc 1 RSL 2 Low Freq.
Time Constant 3 Low Freq.
4 Time Costant LINEAR INTEGRATED CIRCUIT 8 Output 7 High Freq.
Time Constant 6 High Freq.
Time Constant 5 GND UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 6 QW-R108-004.
B TA31002 BLOCK DIAGRAM R1 LINEAR INTEGRATED CIRCUIT C2 R2 47 6 3 LOW OSC C1 HIGH OSC AMP 8 OUTPUT 1 POWER SUPPLY (WITH HYSTERESIS) 52 Note:R1,R2,C1 and C2 are parts externally mounted UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 3 of 6 QW-R108-004.
B TA31002 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNIT Power Supply Voltage VCC 30 V Power Dissipation PD 800 mW Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -55 ~ +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°C) (All voltage referenced to GND unless otherwise specified) ...


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