TA8218AH 2002-02-13 1 toshiba bipolar linear integrated circuit silicon monolithic TA8218AH audio power amplifier the TA8218AH is 3 channel audio amplifier for consumer applications. this ic provides an output power of 6 watts per channel (at v cc = 20 v, f = 1khz, thd = 10%, r l = 8 ? ). it is suitable for power amplifier of tv and home stereo. features built-in 3ch amplifier high output power: p out = 6 w/ch (typ.) (v cc = 20 v, r l = 8 ? , f = 1 khz, thd = 10%) low noise: v no = 0.14 mvrms (typ.) (v cc = 20 v, r l = 8 ? , g v = 34db, r g = 10 k ? , bw = 20 hz~20 khz) built in audio muting circuit (active low) : main amp/surround amp independent control. built in various protection circuits protection circuit: thermal shut down, over voltage, out gnd short. operation supply voltage range: v cc (opr) = 10~30 v ( ta = 25c ) weight: 9.8 g (typ.)
TA8218AH 2002-02-13 2 block diagram cautions this ic is not proof enough against a strong e-m field by crt which may cause malfunction such as leak. please set the ic keeping the distance from crt. 6 8 9 ripple filter v cc input1 (main) v cc 10 r l 7 400 3 1 400 20 k 17 13 r l 2 out1 out2 pw-gnd pre-gnd amp 1 amp 2 200 input2 (main) muting 16 11 mute (main) mute (surround) 15 12 5 input3 (surround) 4 400 amp 3 20 k 14 out3 r l
TA8218AH 2002-02-13 3 maximum ratings (ta 25c) characteristics symbol rating unit supply voltage v cc 30 v output current (peak/ch) p d (note) 50 w operation temperature t opr 20~75 c storage temperature t stg 55~150 c note: derated above ta 25c in the proportion of 400 mw/c. electrical characteristics (unless otherwise specified v cc 20 v, r l 8 , r g 600 , f 1 khz, ta 25c) characteristics symbol test circuit test condition min typ. max unit quiescent current i ccq v in 0 40 90 160 ma p out (1) thd 10% 5.0 6.0 output power p out (2) thd 1% 4.5 w total harmonic distortion thd p out 2 w 0.1 0.6 % voltage gain g v v out 0.775 vrms 32.5 34.0 35.5 db input resistance r in 30 k ripple rejection ratio r.r. rg 0, f ripple 100 hz, v ripple 0.775 vrms 50 60 db output noise voltage v no rg 10 k , bw 20 hz~20 khz 0.14 0.3 mvrms cross talk c.t. rg 0, v out 0.775 vrms two channels input 60 db v th (off) mute off 11/16 pin 3.7 4.0 muting threshold voltage v th (on) mute on 11/16 pin 2.5 2.8 v muting attenuation att v out 0.775 vrms mute three channels input 52 60 db
TA8218AH 2002-02-13 4 test circuit * 1 16/11 pin low: mute on mute on : v th 16/11 2.8 v (typ.) (v cc 20 v, ta 25c) mute off: v th 16/11 3.7 v (typ.) (v cc 20 v, ta 25c) * 2 the capacitor for reducing pop noise at mute on 6 8 9 ripple filter v cc input1 (main) v cc 10 r l 7 400 3 1 400 20 k 17 13 r l 2 out1 out2 pw-gnd pre-gnd amp 1 amp 2 200 input2 (main) muting 16 11 mute (main) mute (surround) 15 12 5 input3 (surround) 4 400 amp 3 20 k 14 out3 r l 100 f 1000 f 1000 f 2.2 0.12 f 0.12 f 2.2 1000 f surround 1000 f 2.2 0.12 f 47 f 1.0 f 1.0 f 47 f 47 f 1.0 f
TA8218AH 2002-02-13 5 supply voltage v cc (v) i ccq ? v cc quiescent current i ccq (ma) supply voltage v cc (v) v out ? v cc output voltage v out (v) frequency f (hz) g v ? f voltage gain g v (db) output power p out (w) thd ? p out total harmonic distortion thd (%) output power p out (w) thd ? p out total harmonic distortion thd (%) output power p out (w) thd ? p out total harmonic distortion thd (%) 0 300 200 150 100 0 250 5 v in 0 50 10 15 20 25 30 35 40 45 0 24 16 12 8 0 20 4 4 8 12 16 20 24 28 32 40 36 out1 ripple filter 0 90 60 30 20 30 70 10 v cc 20 v r l 8 v out 0.775 vrms 100 300 1 k 3 k 10 k 30 k 100 k 40 50 80 20 5 0.01 v cc 20 v f 1 khz r l 8 0.03 0.1 0.3 1 3 10 10 3 1 0.5 0.3 0.1 0.05 0.03 20 5 0.01 v cc 10 v f 1 khz r l 8 0.03 0.1 0.3 1 3 10 10 3 1 0.5 0.3 0.1 0.05 0.03 20 5 0.1 v cc 30 v f 1 khz r l 8 0.3 1 3 10 30 100 10 3 1 0.5 0.3 0.1 0.05 0.03
TA8218AH 2002-02-13 6 output power p out (w) thd ? p out total harmonic distortion thd (%) output power p out (w) thd ? p out total harmonic distortion thd (%) supply voltage v cc (v) p out (max) ? v cc output power p out (max) (w) frequency f (hz) c.t. ? f cross talk c.t. (db) frequency f (hz) r.r. ? f ripple rejection ratio r.r. (db) 20 5 0.01 v cc 20 v f 100 hz r l 8 0.03 0.1 0.3 1 3 10 10 3 1 0.5 0.3 0.1 0.05 0.03 20 5 0.01 v cc 20 v f 10 khz r l 8 0.03 0.1 0.3 1 3 10 10 3 1 0.5 0.3 0.1 0.05 0.03 thd 10% 0 16 6 4 2 8 4 r l 8 f 1 khz 10 12 0 12 8 16 24 20 32 28 14 1 90 10 30 30 v cc 20 v r l 8 v out 0.775 vrms r g 10 k 100 300 1 k 3 k 10 k 30 k 100 k 20 40 50 60 70 80 10 40 70 80 30 30 90 v cc 20 v r l 8 v ripple 0.775 vrms r g 600 c ripple 100 f 100 300 1 k 3 k 10 k 30 k 60 50 20
TA8218AH 2002-02-13 7 output power p out (w) p d ? p out ambient temperature ta (c) p d max ? ta power dissipation p d (w) allowable power dissipation p d max (w) v cc 30 v 0 20 6 4 2 8 2 thd 10% f 1 khz r l 8 3ch operation 10 12 0 6 4 8 12 10 16 14 14 25 16 18 20 0 30 20 10 40 25 1: infinite heat sink r jc 1.5c/w 2: heat sink (r hs 3.5c/w) r jc r hs 5c/w 3: no heat sink r ja 25c/w 50 075 50 100 150 125 1 2 3
TA8218AH 2002-02-13 8 package dimensions weight: 9.8 g (typ.)
TA8218AH 2002-02-13 9 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. this product generates heat during normal operation. however, substandard performance or malfunction may cause the product and its peripherals to reach abnormally high temperatures. the product is often the final stage (the external output stage) of a circuit. substandard performance or malfunction of the destination device to which the circuit supplies output may cause damage to the circuit or to the product. 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. 000707ebf restrictions on product use
|
