ta8275h TOSHIBA Semiconductor CORPORATION, ta8275h Datasheet
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ta8275h
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ta8275h Summary of contents
Page 1
... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Max Power 41 W BTL ´ Audio Power IC The TA8275H BTL audio power amplifier for car audio application. This IC can generate more high power included the pure complementary PNP and NPN transistor output stage ...
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... TAB V V CC1 CC2 OUT1 (+) 9 IN1 PW-GND1 8 OUT1 (-) 7 OUT2 (+) 5 IN2 PW-GND2 2 OUT2 (-) 3 AUX IN OUT3 (+) 17 IN3 PW-GND3 18 OUT3 (-) 19 OUT4 (+) 21 IN4 PW-GND4 24 OUT4 (-) 23 CLIP OUT & DIAGNOSIS RIP STBY OUT MUTE TA8275H PRE-GND : PW-GND 2002-02-13 ...
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... Since the control current is microscopic, the switching relay of small current capacity is satisfactory for switching Amp. 2A Amp. 1 Amp. 2B Figure 1 Block Diagram = (BTL Power OFF SB V (V) SB 0~1.5 Figure 2 With pin 4 set to High, 3 TA8275H » BIAS CUTTING CIRCUIT Power is turned ON 2002-02-13 ...
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... A 0 -20 -40 -60 -80 -100 0 0.4 0.8 1 1.2 Point A voltage: V MUTE (V) MUTE Figure 5 Mute Attenuation - - - - V 4 TA8275H RELAY BATTERY FROM MICROCOMPUTER BATTERY V CC > 250 mA MUTE ATT – V MUTE 13 kHz BW = 400~30 kHz 1 ...
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... Figure 6 AUX Input 5 V V25 GND /GND or Over Voltage Power Supplied (typ.) CC LED/LCD (Flashing) (Announcement from a speaker.) ALAME REGULATOR È OFF Figure 8 Application 1 5 TA8275H 20 dB AMP. OUT (+) OUT (-) AUX AMP turned on (Relay È OFF) 2002-02-13 ...
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... LPF is changed according to an input signal. (for example, Vth is set 25pin is pulled line.) Output voltage of L.P.F. Operating point of protector 5 V (In Case of Rare Short Circuit of Speaker) Operating point of protector Speaker impedance About Figure 9 Output power Figure 10 6 TA8275H 2002-02-13 ...
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... Open collector output (active low) (A) Output (AC wave form) AC (B) Clip Detector Circuit DC (internal) (B) Clip Detector Terminal DC (pin 25 GND Figure 12 Clip Detection (pin 25 VOLUME CONTROL CIRCUIT L.P.F. SMOOTHING CIRCUIT Figure 11 (A) t ( TA8275H TONE CONTROL CIRCUIT 2002-02-13 ...
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... V L Power: OFF SB ¾ Mute: OFF M ¾ Mute: ON Mute: ON, ¾ = 7.75 Vrms (20 dBm) at ATT M V OUT Mute: OFF. 8 TA8275H Min Typ. Max Unit ¾ 200 400 mA ¾ ¾ 41 ¾ ¾ ¾ ¾ 24 ¾ ¾ 0.02 0.2 ...
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... TAB V V CC1 CC2 OUT1 (+) 9 IN1 PW-GND1 8 OUT1 (-) 7 OUT2 (+) 5 IN2 PW-GND2 2 OUT2 (-) 3 AUX IN OUT3 (+) 17 IN3 PW-GND3 18 OUT3 (-) 19 OUT4 (+) 21 IN4 PW-GND4 24 OUT4 (-) 23 CLIP OUT & DIAGNOSIS RIP STBY OUT MUTE TA8275H PRE-GND : PW-GND 2002-02-13 ...
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... Power supply voltage V CC (V) T.H.D – P 100 kHz 0.1 16.0 V 0.01 100 0.1 1 Output power P T.H.D – 0.1 OUT2 OUT3 OUT4 0.01 OUT1 0.001 30 10 100 Frequency f (Hz) 10 TA8275H OUT 9 100 (W) OUT 13 out = 100 k 2002-02-13 ...
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... Frequency f (Hz) C.T. – f (OUT4 13 OUT = 0dBm - 620 W -30 -40 -50 -60 OUT4 ® OUT1 -70 10 100 100 k Frequency f (Hz) 11 TA8275H OUT1, 4 OUT2 100 100 100 k 2002-02-13 ...
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... RqJC + RqJC = 4.5° HEAT SINK 80 RqJA = 39° 100 125 Ambient temperature Ta (° 13 100 k Output power P 150 12 TA8275H – P OUT kHz /ch (C) OUT 2002-02-13 ...
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... Package Dimensions Weight: 7.7 g (typ.) 13 TA8275H 2002-02-13 ...
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... 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. 14 TA8275H 000707EBF 2002-02-13 ...