SGS Thomson Microelectronics TDA7262 Datasheet
20+20W STEREO AMPLIFIER WITH STAND-BY
WIDESUPPLYVOLTAGERANGE
HIGHOUTPUTPOWER
28+28WTYP. MUSICPOWER
20+20W@ THD = 10%, R
HIGHCURRENT CAPABILITY(UP TO 3.5A)
STAND-BY FUNCTION
AC SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
=4Ω,VS= 28V
L
TDA7262
DESCRIPTION
The TDA7262is class AB dual Hi-Fi Audio power
amplifier assembled in Multiwatt package, specilally designed for high quality stereo application
as Hi-Fi music centersand TV sets.
Figure1: Stereo Application Circuit with Stand-By
MULTIWATT11
ORDERING NUMBER: TDA7262
March 1995
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TDA7262
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
I
O
I
O
P
tot
T
stg,Tj
PIN CONNECTION
Supply Voltage 35 V
S
Output Peak Current(repetitive f > 20Hz) 3.5 A
Output Peak Current(non repetitive, t > 100µs) 4.5 A
Power Dissipation (T
=70°C) 30 W
case
Storage and JunctionTemperature -40 to 150 °C
TEST CIRCUIT
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TDA7262
THERMAL DATA
Symbol Description Value Unit
R
th j-case
Thermal Resistance Junction-case Max 2.5 °C/W
ELECTRICAL CHARACTERISTICS (Refer to the stereo test circuit, VS= 28V; f = 1KHz; T
amb
unless otherwisespecified)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
V
O
I
d
P
O
Supply Voltage 8 32 V
Quiescent Output Voltage VS= 32V 15.5 V
Total Quiescent Current VS= 28V
V
= 32V
S
65
70 120
Output Power (eachchannel) Music Power STD rules(T = 1s)
V
= 32V;d = 10%; RL=4Ω 28 W
S
d =10%
R
=4Ω
L
R
=8Ω 10
L
22
13
d=1%
R
R
=4Ω
L
=8Ω
L
18
10
d Total Harmonic Distortion f = 100Hz to 10KHz
P
CT Cross Talk R
G
∆G
e
V
i
R
i
f
L
f
H
V
N
Input Saturation Voltage (Vrms) 300 mV
Input Resistance f = 1KHz; non invertingInput 70 200 KΩ
Low Frequency roll-off(-3dB) RL=4Ω 40 Hz
High Frequency roll-off (-3dB) RL=4Ω 80 KHz
Closed Loop VoltageGain f = 1KHz 35.5 36 36.5 dB
Closed Loop Gain match 0.5 dB
V
Total Input NoiseVoltage A Curve; RS= 10KΩ 1.5 µV
SVR Supply Voltage Rejection
(each channel)
T
j
Thermal Shutdown Junction
= 0.1to 14W; RL=4Ω
O
P
= 0.1to 8W; RL=8Ω
O
=4Ω RS= 100Ω
L
f = 1KHz
f = 10KHz
f = 22Hz to 22KHz; R
= 0 to 10KΩ;fr= 100Hz
R
S
V
= 0.5V
r
= 10KΩ 2.5 8 µV
S
0.2
0.1
60
50
55 dB
145 °C
Temperature
STAND-BY FUNCTION
=25°C,
mA
mA
W
W
W
W
%
%
dB
dB
V
3
A
M
I
M
Stand-By Threshold VS= 32V 0.45 0.9 V
Stand-By Attenuation VS= 32V;V3< 0.45V 60 100 dB
Stand-By Quiescent Current VS= 32V;V3< 0.45V 3 5 mA
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