TA8272HQ TOSHIBA Semiconductor CORPORATION, TA8272HQ Datasheet

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TA8272HQ

Manufacturer Part Number
TA8272HQ
Description
Max Power 43 W Btl ? 4 Ch Audio Power Ic
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
Max Power 43 W BTL × 4 ch Audio Power IC
application.
is included the pure complementary PNP and NPN transistor
output stage.
amplifier, built-in stand-by function, muting function, and
diagnosis circuit which can detect output to V
output offset voltage and over voltage input mode.
for car audio use is built-in.
Features
The TA8272HQ is 4 ch BTL audio power amplifier for car audio
This IC can generate more high power: P
It is designed low distortion ratio for 4 ch BTL audio power
Additionally, the AUX amplifier and various kind of protector
High power : P
Built-in diagnosis circuit (pin 25)
Low distortion ratio: THD = 0.02% (typ.)
Low noise: V
Built-in stand-by switch function (pin 4)
Built-in muting function (pin 22)
Built-in AUX amplifier from single input to 4 channels output (pin 16)
Built-in various protection circuit
:
Operating supply voltage: V
Note 1: Install the product correctly. Otherwise, it may result in break down, damage and/or degradation to the
Note 2: These protection functions are intended to avoid some output short circuits or other abnormal conditions
Thermal shut down, over voltage, out to GND, out to V
product or equipment.
temporarily. These protect functions do not warrant to prevent the IC from being damaged.
- In case of the product would be operated with exceeded guaranteed operating ranges, these
protection features may not operate and some output short circuits may result in the IC being
damaged.
(V
: P
: P
: P
NO
CC
(V
(V
(V
(V
OUT
OUT
OUT
OUT
CC
CC
CC
CC
= 0.10 mVrms (typ.)
= 13.2 V, R
= 14.4 V, f = 1 kHz, JEITA max, R
= 13.7 V, f = 1 kHz, JEITA max, R
= 14.4 V, f = 1 kHz, THD = 10%, R
= 13.2 V, f = 1 kHz, THD = 10%, R
MAX (1) = 43 W (typ.)
MAX (2) = 40 W (typ.)
(1) = 28 W (typ.)
(2) = 24 W (typ.)
(V
CC
= 13.2 V, f = 1 kHz, P
g
CC (opr)
= 0 Ω, G
= 9~18 V
V
TA8272HQ
= 26dB, BW = 20 Hz~20 kHz)
OUT
CC
MAX = 43 W as it
/GND short,
OUT
L
L
= 5 W, R
L
L
1
= 4 Ω)
= 4 Ω)
= 4 Ω)
= 4 Ω)
CC
, out to out short
L
= 4 Ω)
Weight: 7.7 g (typ.)
2006-04-28

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TA8272HQ Summary of contents

Page 1

... Max Power 43 W BTL × Audio Power IC The TA8272HQ 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 ...

Page 2

IN1 IN2 AUX IN3 IN4 PRE-GND 13 RIP Note3: Some of the functional blocks, circuits, or constants in the block diagram may be omitted ...

Page 3

Voltage Gain Adjustment This IC has no NF (negative feedback) terminals. Therefore, the voltage gain can’t adjusted, but it makes the device a space and total costs saver. Input The voltage ...

Page 4

Large current capacity switch V CC Small current capacity switch Stand- Muting Function (pin 22) The muting time constant is decided by R ON/OFF. The series resistance; R must be set up less than 10 kΩ. 1 The ...

Page 5

AUX Input (pin 16) The pin 16 is for input terminal of AUX amplifier. The total gain is 0dB by using of AUX amplifier. Therefore, the µ-COM can directly drive the AUX amplifier. BEEP sound or voice synthesizer signal ...

Page 6

In Case of Appearing Output Offset Voltage by Generating a Large Leakage Current on the Input Capacitor etc. NPN transistor (Q2) is turned on while the inverted output voltage level become less than the threshold level of output offset ...

Page 7

Characteristics Peak supply voltage (0 supply voltage Operation supply voltage Output current (peak) Power dissipation Operation temperature Storage temperature Note4: Package thermal resistance θ (Ta = 25°C, with infinite heat sink) The absolute maximum ratings of a semiconductor ...

Page 8

IN1 0.22 µF IN2 0.22 µ 0.22 µF IN3 0.22 µF IN4 PRE-GND 13 Components in the test circuits are only used to ...

Page 9

T.H.D – P OUT 100 13 Ω drive kHz 0.5 0.3 0.1 1 kHz 0.05 0.03 100 Hz 0.01 0.1 0.3 0.5 ...

Page 10

V – 300 13 Ω 250 BW = ~20 k 200 150 100 100 Singnal source resistance R g (Ω) C.T. – ...

Page 11

G – 13 Ω OUT = 0.775 Vrms (0dBm 100 Frequency f (Hz) P MAX ...

Page 12

Weight: 7.7 g (typ.) 12 2006-04-28 ...

Page 13

13 2006-04-28 ...

Page 14

... OFF. For details on how to connect a protection circuit such as a current limiting resistor or back electromotive force adsorption diode, refer to individual IC datasheets or the IC databook. IC breakdown may cause injury, smoke or ignition. • Use a stable power supply with ICs with built-in protection functions. If the power supply is unstable, the protection function may not operate, causing IC breakdown. IC breakdown may cause injury, smoke or ignition. • ...

Page 15

The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity ...

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