TA8275HQ TOSHIBA Semiconductor CORPORATION, TA8275HQ Datasheet
TA8275HQ
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TA8275HQ Summary of contents
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... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Max Power 41 W BTL × Audio Power IC The TA8275HQ 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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... 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 TA8275HQ PRE-GND : PW-GND 2006-04-28 ...
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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 TA8275HQ kΩ 4 ≈ BIAS CUTTING CIRCUIT Power is turned ON 2006-04-28 ...
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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 − TA8275HQ RELAY BATTERY FROM MICROCOMPUTER BATTERY V CC > 250 µA MUTE ATT – V MUTE 10 kΩ 5 kΩ 13 Ω 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) ALAME (Announcement from a speaker.) REGULATOR → OFF Figure 8 Application 1 5 TA8275HQ 20 dB AMP. OUT (+) OUT (−) AUX AMP 16 − turned on (Relay → OFF) 2006-04-28 ...
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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 1 Ω 4 Ω Figure 9 Output power Figure 10 6 TA8275HQ 2006-04-28 ...
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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 ( TA8275HQ TONE CONTROL CIRCUIT 2006-04-28 ...
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... V L Power: OFF SB ⎯ Mute: OFF M ⎯ kΩ Mute: ON Mute: ON, ⎯ = 7.75 Vrms (20 dBm) at ATT M V OUT Mute: OFF. 8 TA8275HQ Min Typ. Max Unit ⎯ 200 400 mA ⎯ ⎯ 41 ⎯ ⎯ ⎯ ⎯ 24 ⎯ ⎯ 0.02 ...
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... 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 TA8275HQ PRE-GND : PW-GND 2006-04-28 ...
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... Power supply voltage V CC (V) T.H.D – P 100 kHz Ω 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 10 100 30 Frequency f (Hz) 10 TA8275HQ OUT 9 100 (W) OUT 13 Ω P out = 100 k 2006-04-28 ...
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... Frequency f (Hz) C.T. – f (OUT4 13 Ω −10 V OUT = 0dBm − 620 Ω −30 −40 −50 −60 OUT4 → OUT1 −70 100 k 10 100 Frequency f (Hz) 11 TA8275HQ OUT1, 4 OUT2 100 100 100 k 2006-04-28 ...
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... NO HEAT SINK 80 RθJA = 39°C/W ① ② ③ 100 125 Ambient temperature Ta (° 13 100 k Output power P 150 12 TA8275HQ – P OUT kHz Ω /ch (C) OUT 2006-04-28 ...
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... Package Dimensions Weight: 7.7 g (typ.) 13 TA8275HQ 2006-04-28 ...
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... TA8275HQ 2006-04-28 ...
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... In addition, depending on the IC, the use of silicon rubber may be prohibited. Check whether the use of silicon rubber is prohibited for the IC you intend to use, or not. For details of power IC heat radiation design and heat sink installation, refer to individual technical datasheets or IC databooks. 15 TA8275HQ 2006-04-28 ...
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... R-type flux (2) Use of Sn-3.0Ag-0.5Cu solder Bath · solder bath temperature = 245°C · dipping time = 5 seconds · the number of times = once · use of R-type flux 021023_D 021023_B 060106_Q 16 TA8275HQ 060116EBF 021023_E 2006-04-28 ...