TA31001

UNISONIC TECHNOLOGIES CO., LTD TA31001 LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER „ DESCRIPTION The UTC TA31001 is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices. „ FEATURES *Designed for Telephone Bell Replacement. *Low Current Drain for Multiple Extension of Lines. *Adjustable 2-Frequency Tone. *Adjustable Warbling Rate. *Built-in Hysteresis Prevents False Triggering and Rotary Dial 'CHIRPS'. *Programmable for Initiation Voltage by Simple External Resistor. DIP-8 „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free TA31001L-D08-T TA31001G-D08-T Package DIP-8 Packing Tube www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co.,LTD 1 of 6 QW-R108-003.C TA31001 „ PIN CONFIGURATIONS Vcc 1 RSL 2 Low Freq. Time Constant 3 Low Freq. Time Costant 4 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-R108-003.C TA31001 „ 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-R108-003.C TA31001 LINEAR INTEGRATED CIRCUIT „ ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Ambient Operating Temperature Storage Temperature SYMBOL V...