TA8246AHQ Toshiba, TA8246AHQ Datasheet
TA8246AHQ
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TA8246AHQ Summary of contents
Page 1
... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Dual Audio Power Amplifier 6 W × TA8246AHQ is dual power amplifier for Consumer applications. This IC provides an output power of 6 watts per channel ( kHz, THD = 10 suitable for power amplifier of TV and home Stereo. ...
Page 2
... Block Diagram INPUT1 INPUT2 6 9 RIPPLE FILTER 4 kΩ 4 Amp 1 OUT1 350 Ω 20 kΩ 3 Pre-GND PW-GND kΩ 350 Ω Amp 2 4 kΩ OUT2 MUTE SW MUTE T.C. 2 TA8246AHQ 2004-07-12 ...
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... Ripple filter 8 OUT1 Output 12 OUT2 9 V Supply voltage terminal CC 10 PW-GND GND terminal 1, 11: NC Function 4 kΩ 2 kΩ TA8246AHQ Equivalent Circuit kΩ OUT NF へ GND ⎯ MUTE Amplifier GND to POP-NOIZE preventive circuit to Bias circuit V CC 8/12 GND ⎯ ...
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... R. kΩ, ⎯ Hz~20 kHz kΩ, ⎯ C.T. = 0.775 Vrms V out ⎯ V MUTE ON th (ON) ⎯ V MUTE OFF th (OFF) ⎯ = 0.775 Vrms → Mute ATT V out 4 TA8246AHQ Min. Typ. Max Unit 50 85 130 mA ⎯ ⎯ ⎯ 4.5 ⎯ 0.04 0.2 % ⎯ 0.1 0.6 32.5 34 35.5 dB ⎯ ...
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... Test Circuit INPUT1 1.0 µF INPUT2 1.0 µ RIPPLE FILTER 4 kΩ 4 Amp 1 OUT1 350 Ω 20 kΩ 3 Pre-GND PW-GND kΩ 350 Ω Amp 2 4 kΩ OUT2 MUTE SW MUTE T.C. 5 TA8246AHQ V CC 1000 µ 1000 µF 2004-07-12 ...
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... W P out Ω 0.5 12 0.3 8 0.1 0.05 0.03 4 0.01 30 100 kHz Ω 0.5 0.3 0.1 0.05 0.03 0.01 30 0.3 0.5 Output Power P out (W) 6 TA8246AHQ THD – f 300 100 k Frequency f (Hz) THD – P out 2004-07-12 ...
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... Hz f ripple = 0.775 Vrms V ripple −20 −30 −40 −50 −60 − 100 k 30 100 Signal source resistance R g (Ω) 7 TA8246AHQ G – 300 100 k Frequency f (Hz) C.T. – f 300 100 k Frequency f (Hz) R.R. – ...
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... Ω kHz 3 P out = 2 W Dual 1 0.5 0.3 0.1 0.05 0.03 0.01 −40 −20 80 100 8 TA8246AHQ P – out THD = 1% 10 Output power P out (W) I – Ta CCQ 100 Ambient temperature Ta (°C) THD – Ta ...
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... P MAX – Infinite heat sink 1 2: 4.1°C/W heat sink 25 3: 9.5°C/W heat sink 100 125 150 Ambient temperature Ta (°C) 175 200 9 TA8246AHQ 2004-07-12 ...
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... Package Dimensions Weight: 4.04 g (typ.) 10 TA8246AHQ 2004-07-12 ...
Page 11
... 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. 11 TA8246AHQ 030619EBF 2004-07-12 ...