AX31002

www.DataSheet4U.com Page No. : 1/5 AX31002 Bipolar Tone Ringer IC AX31002 Series Description The AX31002 is a bipolar integrated circuit. It is designed for telephone bell replacement. It can also be used as alarms or other alerting devices. Features Current consumption is small Oscillation frequency is variable Adjustable start-up current Higher driving capability Built-in threshold circuits prevent false triggering due to power noise as well as 'chirps' due to rotary dial Few external components Easy connection to telephone system Applications Telecom Tone Ringer Set Pin Connections 8 7 6 5 Pin1: VCC Pin2: RSL Trigger In (RSL) Pin3: Low Freq. Time Constant. (LRC) Pin5: Gnd Pin6: High Freq. Time Constant. (HRC) Pin7: High Freq. Time Constant. (HRC) Pin8: Output 1 2 3 4 Pin4: Low Freq. Time Constant. (LRC) Absolute Maximum Rating (unless otherwise specified) Characteristics Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PD Topr Tstg Rating 30 500 -25 ~ +85 -55 ~ +150 Unit V mW °C °C Block Diagram R2 191K 4 C3 7 + + R1 165K 6 High OSC + 3 C2 1 Low OSC - AMP - DIP-8 Package 8 Power Supply (With Hysteresis) 5 2 AVANTICS - AX31002 Specification No.: 050310-FE0006 www.DataSheet4U.com Page No. : 2/5 Electrical Characteristics Characteristics Operating Voltage Initiation Supply Voltage Sustaining Supply Voltage Initiation Current Consumption Sustaining Current Consumption Oscillator Frequency "H" Leve...