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TDA7052 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA7052
Description  1 W BTL mono audio amplifier
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA7052 Datasheet(HTML) 4 Page - NXP Semiconductors

   
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July 1994
4
Philips Semiconductors
Product specification
1 W BTL mono audio amplifier
TDA7052
FUNCTIONAL DESCRIPTION
The TDA7052 is a mono output amplifier designed for battery-fed portable audio applications, such as tape recorders
and radios.
The gain is fixed internally at 40 dB. A large number of tape recorders and radios are still designed for mono sound, plus
a space-saving trend by reduction of the number of battery cells. This means a decrease in supply voltage which results
in an reduction of output power. To compensate for this reduction, the TDA7052 uses the Bridge-Tied-Load principle
(BTL) which can deliver an output power of 1,2 W (THD = 10%) into an 8
Ω load with a power supply of 6 V. The load
can be short-circuited at each signal excursion.
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
POWER DISSIPATION
Assume VP = 6 V; RL = 8 Ω; Tamb = 50 °C maximum.
The maximum sinewave dissipation is 0,9 W.
Where Rth j-a of the package is 110 K/W, so no external heatsink is required.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VP
Supply voltage
18
V
IOSM
Non-repetitive peak output current
1,5
A
Ptot
Total power dissipation
see Fig. 2
Tc
Crystal temperature
150
°C
Tstg
Storage temperature range
−55
+150
°C
Fig.2 Power derating curve.
R
th j-a
150
50
09
,
----------------------
110 K/W.
=


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