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STMicroelectronics
STMicroelectronics

TDA7292 Datasheet

40 + 40W Stereo Amplifier


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TDA7292
40 + 40W STEREO AMPLIFIER WITH MUTE & ST-BY
TARGET SPECIFICATION
1 FEATURES
WIDE SUPPLY VOLTAGE RANGE (UP TO ±
35V ABS MAX.)
SPLIT SUPPLY
HIGH OUTPUT POWER
40 + 40 W @ THD=10%, RL = 8, VS ± 26V
NO POP AT TURN ON/OFF
MUTE (POP FREE)
STAND-BY FEATURE (LOW IQ)
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
Figure 1. Package
Multiwatt11
Table 1. Order Codes
Part Number
TDA7292
Package
Multiwatt11
2 DESCRIPTION
The TDA7292 is class AB dual Audio power ampli-
fier assembled in the Multiwatt package, specially
designed for high quality sound application as Hi-
Fi music centers and stereo TV sets.
Figure 2. Typical Application Circuit in Split Supply
15K 1µF
MUTE/
ST-BY
IN (L)
5
7
1µF
+5V µP
15K 18K
GND 9
1µF
IN (R) 11
D94AU085
+VS
3
1000µF
+
-
-
+
1
1000µF
4 OUT (L)
18K 4.7
8 IN- (L)
100nF
560
10 IN- (R)
560
18K
2 OUT (R)
4.7
6
-VS 100nF
RL (L)
RL (R)
April 2005
This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 1
1/9
Page 1

TDA7292
wTwawb.Dleata2S. hAebets4Uo.lcuotme Maximum Ratings
Symbol
Description
VS DC Supply Voltage
IO Output Peak Current (internally limited)
Top Operating Temperature
Tstg, Tj
Storage and Junction Temperature
Table 3. Thermal Data
Symbol
Parameter
Rth j case Thermal Resistance Junction-case
Figure 3. Pin Connection (Top view)
TAB CONNECTED TO PIN 6
11
10
9
8
7
6
5
4
3
2
1
Value
±35
4.5
0 to 70
-40 to +150
Value
Typ. 1.5
IN+(1)
IN-(1)
GND
IN-(2)
IN+(2)
-VS
MUTE/St-By
OUTPUT(2)
+VS
OUTPUT(1)
-VS
D95AU316
Unit
V
A
°C
°C
Unit
°C/W
2/9
Page 2

TDA7292
wTwawb.Dleata4S. hEeleet4cUtr.ciocmal Characteristcs (Refer to the test circuit, VS = ± 26V; RL = 8; GV = 30dB; f = 1kHz;
Tamb = 25°C, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VS Supply Range
±8 ±33 V
Iq Total Quiescent Current
50 130 mA
VOS Input Offset Voltage
–20 +20 mV
Ib Non Inverting Input Bias Current
PO Output Power
THD = 10%;
RL = 8
VS ± 18V, RL = 4
500 nA
40 W
31 W
THD = 1%
RL = 8 ;
VS ±18V; RL = 4
30 W
24 W
IPeak
THD
Output Peak Current
Total Harmonic Distortion
(Internally Limited)
RL = 8 Ω, Po = 1W
3.6 4.7
0.02
A
%
SR Slew Rate
11 V/ms
Gol Open Loop Voltage Gain
80 dB
eN Total Input Noise
Ri Input Resistance
F = 20Hz – 22kHz
4 µV
20 k
SVR Supply Voltage Rejection
75 dB
Tj Thermal Shut-down
145 °C
MUTE FUNCTION { ref.: +Vs }
VTmute Mute / Play Threshold
-7 -6 -5 V
Am Mute attenuation
75 dB
STANT-BY FUNCTION { ref.: +Vs }
VTst-by Stand-By / Mute Threshold
-3.5 -2.5 -1.5
V
Ast-by Stand-By Attenuation
110 dB
Iq Quiescent Current @ St-By
8 mA
3/9
Page 3
Part Number TDA7292
Manufactur STMicroelectronics
Description 40 + 40W Stereo Amplifier
Total Page 9 Pages
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