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TA7630P 2002-10-21 1 toshiba bipolar linear integrated circuit silicon monolithic TA7630P dual. volume/balance/tone (bass/treble) dc control ic the TA7630P is dc controlled dual volume, balance, tone (bass, treble) ic. as these dual channels are constructed on one chip, this ic is excellent in pair characteristic. it is suitable for automobile stereo, radio cassette, music center, tv multiplex sound receiver and remote controlled applications. features wide power supply voltage range: single supply v cc (opr) = 8~14 v (ta = 25c) dual supply v cc ? v ee (opr) = 4~7 v (ta = 25c) wide volume control range: v r = 80db (typ.) excellent cross talk: c.t. = 70db (typ.) stable for temperature drift. wide tone control range control range: v b = 10db (typ.) (f = 1 khz 100 hz) v t = 12db (typ.) (f = 1 khz 20 khz) block diagram weight: 1.00 g (typ.)
TA7630P 2002-10-21 2 pin connection pin no. symbol explanation 1 v ee negative power supply 2 input-1 input channel-1 3 t h (1) treble turning frequency setting. 4 t l (1) bass turning frequency setting. 5 ref cont reference control 6 output-1 output channel-1 7 bal balance control 8 vol volume control 9 bass bass control 10 trbl treble control 11 output-2 output channel-2 12 v cc power supply 13 t l (2) bass turning frequency setting 14 t h (2) treble turning frequency setting 15 input-2 input channel-2 16 ref sig reference signal maximum ratings (ta = 25c) characteristics symbol rating unit supply voltage v cc 14 v power dissipation p d (note) 750 mw operating temperature t opr ? 25~75 c storage temperature t stg ? 55~150 c note: derated above ta = 25c in the proportion of 6 mw/c.
TA7630P 2002-10-21 3 electrical characteristics (unless otherwise specified, v cc = 6 v, v ee = ? 6 v, f = 1 khz, ta = 25c) characteristics symbol test circuit test condition min typ. max unit i ccq (1) D v cc , v ee = 4 v vol/bal/bass/trbl sw 1~4 : b D 11 17 quiescent current i ccq (2) D vol/bal/bass/trbl sw 1~4 : b 10 18 25 ma maximum input voltage v in D vol/bal/bass/trbl sw 1~4 : b vol sw 4 : a, thd = 1% D D 1 vrms maximum output voltage v out D bass/trbl/bal sw 1 , sw 2 , sw 3 : b vol sw 4 : a, thd = 1% 1 D D vrms voltage gain g v D v in = 1 vrms bass/trbl/bal sw 1~3 : b vol sw 4 : a ? 0.5 2.0 4.5 db c.b. -1 D bass/trbl/bal sw 1~3 : b vol sw 4 : a, v in = 1 vrms ? 3 0 3 channel balance c.b. -2 D vol/bal/bass/trbl sw 1~4 : b f = 100 hz~20 khz, v in = 0.1 vrms ? 3.5 0 3.5 db volume control range v r D bass/trbl/bal sw 1~3 : b, v in = 1 vrms vol sw 4 : a c 70 80 D db v b max D vol/bal sw 3, 4 : b bass/trbl sw 1, 2 : a, v in = 1 vrms, f = 1khz 100hz 7 11 14 bass control range v b min D vol/bal sw 3, 4 : b bass/trbl sw 1, 2 : c, v in = 1 vrms, f = 1 khz 100 hz ? 15 ? 11.5 ? 7 db v t max D vol/bal sw 3, 4 : b bass/trbl sw 1, 2 : a, v in = 1 vrms, f = 1 khz~20 khz 7 11 14 treble control range v t min D vol/bal sw 3, 4 : b bass/trbl sw 1, 2 : c, v in = 1 vrms, f = 1 khz~20 khz ? 20 ? 14 ? 10 db tone error ? gv D vol/bal sw 3, 4 : b bass/trbl sw 1, 2 : c a v in = 1 vrms D 6 10 db total harmonic distortion thd D bass/trbl/bal sw1 ~3 : b vol sw 4 : a, v out = 150 mvrms D 0.1 0.35 % output noise voltage v no D bass/trbl/bal sw 1~3 : b vol sw 4 : a bpf = 50 hz~20 khz, input open D 130 300 vrms cross talk sep D bass/trbl/bal sw 1~3 : b vol sw 4 : a, v out = 1 vrms D ? 70 D db D pin 8, 9, 10 D 500 D control terminal input resistance r in D pin 7 D 200 D k ?
TA7630P 2002-10-21 4 test circuit
TA7630P 2002-10-21 5
TA7630P 2002-10-21 6
TA7630P 2002-10-21 7 application circuits 1 . single power supply 2. dual power supply
TA7630P 2002-10-21 8 3. application circuit using diode at reference terminal the application circuit using diode between pin 5 and pin 12 has the following merits. (1) when each control terminal is drived by high impedance, the electrolytic capacitor between terminal 5 and gnd operates as the back up capacitor, so that the rise time is short at the on-off repetation of supply voltage. (2) when the current drain into the each control terminal varies by control voltage, the voltage of terminal 5 scarcely varies. it means a stable reference voltage.
TA7630P 2002-10-21 9 4. quasi-loudness circuit
TA7630P 2002-10-21 10 package dimensions weight: 1.00 g (typ.)
TA7630P 2002-10-21 11 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the products described in this document are subject to the foreign exchange and foreign trade laws. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707eb a restrictions on product use

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