AX31002

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 Page No. : 2/5 Electrical Characteristics Characteristics Operating Voltage Initiation Supply Voltage Sustaining Supply Voltage Initiation Current Consumption Sustaining Current Consumption Oscillator Frequency "H" Level "L" Level Symbol Vopr Vsi Vsus Isi Isus fL fH1 fH2 Output Voltage VOH VOL (Note 1) (Note 2) Test Condition Min. 17 10.5 1.4 0.34 9 461 576 20 0.7 Typ. 19 12 3.3 1.4 10 512 640 21.5 1 Max. 29 21 13.5 4.2 2.5 11 563 703 22.5 2 Unit V V V mA mA Hz V V No Load No Load C1=0.47uF, R1=165kΩ C2=6800pF, R2=191kΩ VCC=24V, IOH =-10mA, Pin 7=GND VCC=24V, IOH=10mA, Pin 7=7V Note 1: Initiation Supply Voltage (Vsi) is a supply voltage required to start oscillation of the tone ringer. Note 2: Sustaining Supply Voltage (Vsus) is a supply voltage required to maintain oscillation of the tone ringer. Note 3: Oscillation frequency is determined by the following equations: (1) fL=1/1.234xR1xC1 (Hz) (2) fH1=1/1.515xR2xC2 (Hz) (3) fH2=1.24fH1 (Hz) Characteristics Curve Supply Current & Supply Voltage (No Load) 3.5 3.0 3.5 3.0 Hysteresis Curve Supply Current (mA). . Supply Current (mA). . 2.5 2.0 1.5 1.0 0.5 0.0 0 5 10 15 20 25 30 35 40 45 50 2.5 2.0 1.5 1.0 0.5 0.0 0 5 10 15 20 25 30 35 40 45 50 Supply Voltage (V) Supply Voltage (V) Supply Current & Supply Voltage with Different RSL (No Load) 18 16 14 RSL=1.3K Supply Current (mA). . 12 10 8 6 4 2 0 -2 0 10 20 30 40 50 RSL=3.3K RSL=6.8K Supply Voltage (V) AVANTICS - AX31002 Specification No.: 050310-FE0006 Page No. : 3/5 Application Information • Application circuits of Telecom Tone Ringer Set Vin H1N4004 x 4 Zener Diode (4.7-6.9V) 1 RSL 2 8 7 Ringer SW 560 AX31002 3 220K 220nF 4 6 5 180K 4.7nF Switch Diode 1N4148 BUZZER Zener Diode (27V) • Example of Output Circuit 10KΩ 510Ω 15KΩ Ceramic Piezoelectric Buzzer 1.3KΩ, 8Ω AVANTICS - AX31002 Specification No.: 050310-FE0006 Page No. : 4/5 DIP-8 Dimension Marking: 8 7 6 5 Pb Free Mark A 1 2 3 4 Pb-Free: " . " (Note) Normal: None AX 31002 P Date Code Control Code B F J Note: Green label is used for pb-free packing Pin Style: 1.VCC 2.RSL 3.LRC 4.LRC 5.GND 6.HRC 7.HRC 8.Output Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 C E D G H α1 K M L DIM A B C D E F G H I J K L M α1 Min. 6.29 9.22 3.25 3.17 0.38 2.28 7.49 8.56 0.229 94o Max. 6.40 9.32 *1.52 *1.27 *0.99 3.35 3.55 0.53 2.79 7.74 *3.00 8.81 0.381 97o *: Typical, Unit: mm I 8-Lead DIP-8 Plastic Package AVANTICS Package Code: P Important Notice: • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of AVANTIC. • AVANTICS reserves the right to make changes to its products without notice. • AVANTICS semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. • AVANTICS assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. Head Office: • AVANTICS Microelectronics Corp: No. 255, Cai Lun Rd. Zhangjiang Technology Industrial Park Pudong, Shanghai, China Tel: 86-021-58955599 Fax: 86-021-58558038 AVANTICS - AX31002 Specification No.: 050310-FE0006 Page No. : 5/5 Soldering Methods for AVANTICS’s Products 1. Storage environment: Temperature=10oC~35oC Humidity=65%±15% 2. Reflow soldering of surface-mount devices Figure 1: Temperature profile tP TP Ramp-up TL Tsmax Temperature tL Critical Zone TL to TP Tsmin tS Preheat Ramp-down 25 t 25oC to Peak Time Profile Feature Average ramp-up rate (TL to TP) Preheat - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (min to max) (ts) Tsmax to TL - Ramp-up Rate Time maintained above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Time within 5oC of actual Peak Temperature (tP) Ramp-down Rate Time 25oC to Peak Temperature 3. Flow (wave) soldering (solder dipping) Products Pb devices. Pb-Free devices. Sn-Pb Eutectic Assembly