unisonic technologies co., ltd ta31001 linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2010 unisonic technologies co.,ltd qw-r108-003.c 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 package packing TA31001L-D08-T ta31001g-d08-t dip-8 tube
ta31001 linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r108-003.c ? pin configurations 1 2 3 4 8 7 6 5 vcc rsl low freq. time constant low freq. time costant output high freq. time constant high freq. time constant gnd
ta31001 linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r108-003.c ? block diagram low osc high osc amp power supply (with hysteresis) 8 6 7 4 1 5 2 output r2 r1 c2 c1 note:r1,r2,c1 and c2 are parts externally mounted 3
ta31001 linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r108-003.c ? absolute maximum ratings (ta=25 c) parameter symbol value unit supply voltage v cc 30 v power dissipation p d 800 mw ambient operating temperature t opr -45 to 85 c storage temperature t stg -65 to 150 c ? electrical characteristics (ta=25 c) (all voltage referenced to gnd unless otherwise specified) parameter symbol test conditions min typ max unit operating supply voltage v cc 29 v initiation supply voltage (note 1) v si 17 19 21 v initiation supply current (note 1) i si 6.8k-pin 2 to gnd 1.4 3.5 4.2 ma sustaining voltage (note 2) v sus see fig.1 9.7 11 12 v sustaining current (note 2) i sus no load v cc =v sus 0.7 1.4 2.5 ma trigger voltage (note 3) v trg v cc =15v 9 10.5 12 v trigger current (note 3) i trg v cc =15v 10 20 1000 5 a disable voltage (note 4) v dis 0.8 v disable current (note 4) i dis -40 -50 a output voltage high v oh v cc =21v, i8=-15ma pin6=6v, pin7=gnd 17.0 19 21 v output voltage low v ol v cc =21v, i8=15ma pin6=gnd, pin7=6v 1.6 v input current 1 i in(pin 3) pin3=6v, pin4=gnd 500 na input current 2 i in(pin 7) pin7=6v, pin6=gnd 500 na high frequency 1 f h1 r3=191k, c3=6800pf 461 512 563 hz high frequency 2 f h2 r3=191k, c3=6800pf 576 640 704 hz low frequency f l r2=165k, c2=0.47 f 9 10 11 hz note 1. initiation supply voltage (v si ) is the supply voltage required to start the tone ringer oscillating. 2. sustaining voltage (v sus ) is the supply voltage required to maintain oscillation. 3. v tr and i tr are the conditions applied to trigger in to start oscillation for v sus v Q cc v Q si 4. v dls and idis are the conditions applied to tr igger in to inhibit oscillation for v si v Q cc 5. trigger current must be limited to this value externally.
ta31001 linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r108-003.c typical characteristics icc(ma),supply current supply current (ma)
ta31001 linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r108-003.c ? application circuit figure 1 utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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