TA8276HQ Toshiba, TA8276HQ Datasheet
TA8276HQ
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TA8276HQ Summary of contents
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... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Max Power 35 W BTL × Audio Power IC The TA8276HQ 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 designed low distortion ratio for 4 ch BTL audio power ...
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... Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purpose TAB V V CC1 CC2 OUT1 (+) IN1 PW-GND1 OUT1 (−) OUT2 (+) IN2 PW-GND2 OUT2 (−) AUX IN OUT3 (+) IN3 PW-GND3 OUT3 (−) OUT4 (+) IN4 PW-GND4 OUT4 (−) CLIP OUT & DIAGNOSIS RIP STBY OUT MUTE TA8276HQ PRE-GND : PW-GND 2004-05-10 ...
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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 Input Amp. 2B Figure 1 Block Diagram (BTL (BTL) (pin 4) ON OFF SB V (V) SB 0~1.5 Figure 2 With pin 4 set to High, 3 TA8276HQ V CC Power 10 kΩ 4 ≈ BIAS CUTTING CIRCUIT Power is turned ON 2004-05-10 ...
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... C and these parts is related the pop noise at power −20 V MUTE −40 −60 −80 −100 0 V MUTE Figure 5 Mute Attenuation − TA8276HQ RELAY BATTERY FROM MICROCOMPUTER BATTERY V CC MUTE ATT – V MUTE 10 kΩ 5 kΩ 13 Ω kHz BW = 400~30 kHz 0.4 ...
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... Over Voltage Power Supplied (typ.) CC (Flashing) LED/LCD µ-COM ALAME (Announcement from a speaker.) REGULATOR → OFF MEMORY (Count and record) Figure 8 Application 1 5 TA8276HQ 20 dB AMP. IN AUX AMP AUX-IN 16 − Figure 6 AUX Input turned on (Relay → OFF) 2004-05-10 OUT (+) ...
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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. Operating point of protector Speaker impedance About 1 Ω 4 Ω Figure 9 or GND, the voltage of 25pin is fixed to “L”. CC Operating point of protector Figure 10 6 TA8276HQ Output power 2004-05-10 ...
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... OUTPUT CLIP DETECTOR (A) Output (AC wave form) (B) Clip Detector Circuit (internal) (B) Clip Detector Terminal (pin 25 GND (pin 25 L.P.F. SMOOTHING CIRCUIT pin 25: Open collector output (active low) Figure 11 AC (A) DC (B) DC (C) Figure 12 Clip Detection 7 TA8276HQ VOLUME CONTROL CIRCUIT TONE CONTROL CIRCUIT 2004-05-10 ...
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... H Power ⎯ Power: OFF SB ⎯ Mute: OFF M ⎯ kΩ Mute: ON Mute: ON, ⎯ = 7.75 Vrms (20 dBm) at ATT M V OUT Mute: OFF. 8 TA8276HQ Ω 25°C) Min Typ. Max ⎯ 200 400 ⎯ ⎯ 35 ⎯ ⎯ 31 ⎯ ⎯ 23 ⎯ ⎯ 0.02 0.2 (0 dBm −1.0 ...
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... These components and circuits do not warrant to prevent the application equipment from malfunction or failure TAB V V CC1 CC2 OUT1 (+) IN1 PW-GND1 OUT1 (−) OUT2 (+) IN2 PW-GND2 OUT2 (−) AUX IN OUT3 (+) IN3 PW-GND3 OUT3 (−) OUT4 (+) IN4 PW-GND4 OUT4 (−) CLIP OUT & DIAGNOSIS RIP STBY OUT MUTE TA8276HQ PRE-GND : PW-GND 2004-05-10 ...
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... Power supply voltage V CC (V) T.H.D – P 100 kHz Ω 0.1 0.01 100 0.1 1 Output power P 1 0.1 OUT3 OUT1 OUT2 0.01 OUT4 0.001 30 10 100 Frequency f (Hz) 10 TA8276HQ OUT 9.0 V 13 100 (W) OUT T.H.D – 13 Ω P out = 100 k 2004-05-10 ...
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... Frequency f (Hz) C.T. – f (OUT4 13 Ω −10 V OUT = 0dBm − 620 Ω −30 −40 −50 −60 −70 10 100 100 k Frequency f (Hz) 11 TA8276HQ R.R. – 100 k OUT2 → OUT1 OUT2 → OUT3 100 k OUT4 → OUT3 OUT4 → OUT1 100 k 2004-05-10 ...
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... INFINITE HEAT SINK RθJC = 1°C/W 100 ② HEAT SINK (RθHS = 3.5°C/W) RθJC + RθHS = 4.5°C/W ③ NO HEAT SINK 80 RθJA = 39°C/W ① ② ③ 100 125 Ambient temperature Ta (° 100 k Output power P 150 12 TA8276HQ P – OUT kHz Ω /ch (C) OUT 2004-05-10 ...
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... Package Dimensions Weight: 7.7 g (typ.) 13 TA8276HQ 2004-05-10 ...
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... The product is often the final stage (the external output stage 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. 14 TA8276HQ 030619EBF 2004-05-10 ...