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TDA2040STN/a240avai20W Hi-Fi AUDIO POWER AMPLIFIER


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TDA2040
20W Hi-Fi AUDIO POWER AMPLIFIER
TDA2040
20W Hi-Fi AUDIO POWER AMPLIFIER
December 1995
DESCRIPTION

The TDA2040 is a monolithic integrated circuit in
Pentawatt  package, intended for use as an audio
class AB amplifier. Typically it provides 22W output
power (d = 0.5%) at Vs = 32V/4Ω . The TDA2040
provides high output current and has very low
harmonic and cross-over distortion. Further the
device incorporates a patented short circuit protec-
tion system comprising an arrangement for auto-
matically limiting the dissipated power so as to keep
the working point of the output transistors within
their safe operating area. A thermal shut-down
system is also included.
TEST CIRCUIT

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SCHEMATIC DIAGRAM
PIN CONNECTION
THERMAL DATA
TDA2040

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ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS = ± 16V, Tamb = 25o C unless otherwise specified)
ABSOLUTE MAXIMUM RATINGS
TDA2040

3/13
Figure 1 : Output Power versus Supply Voltage Figure 2 : Output Power versus Supply Voltage
Figure 3 :
Output Power versus Supply Voltage Figure 4 : Distortion versus Frequency
Figure 5 :
Supply Voltage Rejection versus
Frequency
Figure 6 :
Supply Voltage Rejection versus
Voltage Gain
TDA2040

4/13
Figure 7 : Quiescent Drain Current versus
Supply Voltage
Figure 8 :
Open Loop Gain versus Frequency
Figure 9 :
Power Dissipation versus Output
Power
TDA2040

5/13
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