TA8246AHQ Toshiba, TA8246AHQ Datasheet

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TA8246AHQ

Manufacturer Part Number
TA8246AHQ
Description
Manufacturer
Toshiba
Datasheet

Specifications of TA8246AHQ

No. Of Channels
2
Package
HZIP 12-P-1.78
Recommended Vcc (v)
20
Rl=2 Ohm
-
Rl=4 Ohm
-
Rl=8 Ohm
6W x 2
Features/built-in Functions
2 channels, muting function, output shorting (AC)/thermal shutdown protection circuit
Operating Voltage (v)
10 to 30

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TA8246AHQ
Manufacturer:
MITSUMI
Quantity:
64
Part Number:
TA8246AHQ
Manufacturer:
TOSHIBA
Quantity:
1 000
Dual Audio Power Amplifier 6 W × 2 Ch
TA8246AHQ is dual power amplifier for Consumer applications.
This IC provides an output power of 6 watts per channel
(at V
It is suitable for power amplifier of TV and home Stereo.
Features
: High output power: P
Built-in audio muting circuit.
NF terminal capacitor less
:
Protectors
:
Low poping noise
High THD ratio
High input dynamic range
Available for using same PCB layout with 3 channel IC: TA8256BHQ
Operating supply voltage range
:
CC
(V
Fixed gain (G
Thermal shut down protection circuit, over voltage
V
CC (opr)
= 20 V, f = 1 kHz, THD = 10%, R
CC
= 20 V, R
= 10~30 V (Ta = 25°C)
v
L
= 34dB), needless external capacitor.
= 8 Ω, f = 1 kHz, THD = 10%)
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
out
= 6 W (Typ.)
TA8246AHQ
L
= 8 Ω).
1
protection circuit
Weight: 4.04 g (typ.)
TA8246AHQ
2004-07-12

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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 ...

Page 3

... 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 ⎯ ...

Page 4

... 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 ⎯ ...

Page 5

... 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 ...

Page 6

... 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 ...

Page 7

... 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. – ...

Page 8

... 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 ...

Page 9

... 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 ...

Page 10

... 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 ...

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