TOSHIBA Bipolar Lin ear I nt egrated Circuit Silicon Monolith ic
TA8211AH
Dual Audio Power Amplifier
The TA8211AH is dual audio 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
= 20 V, f = 1 kHz, THD = 10%, RL = 8 Ω).
CC
TA8211AH
· High output power: P
(V
· Low noise: Vno = 0.14 mVrms (Typ.)
(V
BW = 20 Hz~20 kHz)
· Very few external parts
· Built in thermal shut down protector circuit
· Operating supply voltage range: V
= 20 V, RL = 8 Ω, f = 1 kHz, THD = 10%)
CC
= 28 V, RL = 8 Ω, GV = 34dB, Rg = 10 kΩ,
CC
= 6 W/channel (Typ.)
out
CC (opr)
= 10~30 V (Ta = 25°C)
Block Diagram
6 9
Ripple FilterV
INPUT1
INPUT2
4
8
5
3
1
11
2
IN1
AMP1
400 W
AMP2
IN2
20 kW
20 kW400 W
CC
PW-GNDPre-GND
OUT1
OUT2
Weight: 4.04 g (typ.)
7
10
12
VCC
R
L
R
L
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Application Information
Voltage gain
The closed loop voltage gain is determined by R1, R2.
og20G
og20l
og20G
= 400 W
3
og20G
= 220 W
4
+
R
2
+
=l
V
=
~
34 (dB)
-
(a) Amplifier with gain > 34dB
=l
V
When R
~
G
40 (dB)
-
V
is given.
(b) Amplifier with gain < 34dB
=l
V
When R
~
G
30 (dB)
-
V
is given.
Cautions
TA8211AH
Input
RR
21
(dB)
W+W
400k 20
W
400
//RRR
321
(dB)
//RR
32
RRR
++
421
+
(dB)
RR
42
Input
Input
4/2
7/12
Output
5/1
8/11
R
2
400 W
R1
20 kW
Figure 1
4/2
5/1
8/11
R
2
400 W
R1
20 kW
7/12
Output
Figure 2
4/2
5/1
8/11
R
2
400 W
R1
20 kW
R
4
7/12
Output
Figure 3
This IC is not proof enough against a strong E-M field by CRT which may cause malfunction such as leak.
Please set the IC keeping the distance from CRT.
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Standard PCB
TA8211AH
(Bottom view)
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TA8211AH
Maximum Ratings
Characteristics Symbol Rating Unit
Supply voltage VCC 30 V
Output current (Peak/ch) I
Power dissipation PD (Note) 25 W
Operating temperature T
Storage temperature T
(Ta ==== 25°C)
O (peak)
-20~75 °C
opr
stg
2 A
-55~150 °C
Note: Derated above Ta = 25°C in the proportion of 200 mW/°C.
Electrical Characteristics
(unless otherwise specified, V
Characteristics Symbol
Quiescent current I
Output power
Total harmonic distortion THD ¾ P
Closed loop voltage gain GV ¾ V
Open loop voltage gain GVO ¾¾ 60 ¾ dB
Input resistance RIN ¾¾¾ 30 ¾ kW
· 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 and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· This product generates heat during normal operation. However, substandard performance or malfunction may
cause the product and its peripherals to reach abnormally high temperatures.
The product is often the final stage (the external output stage) of a 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.
000707EBF
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
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2002-02-13
Page 11
This datasheet has been download from:
www.datasheetcatalog.com
Datasheets for electronics components.
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