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TDA7052 View Datasheet(PDF) - Philips Electronics

Part Name
Description
View to exact match
TDA7052
Philips
Philips Electronics Philips
TDA7052 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Philips Semiconductors
1 W BTL mono audio amplifier
Product specification
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 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)
SYMBOL
VP
IOSM
Ptot
Tc
Tstg
PARAMETER
Supply voltage
Non-repetitive peak output current
Total power dissipation
Crystal temperature
Storage temperature range
MIN.
MAX.
18
1,5
see Fig. 2
150
55
+150
UNIT
V
A
°C
°C
Fig.2 Power derating curve.
POWER DISSIPATION
Assume VP = 6 V; RL = 8 ; Tamb = 50 °C maximum.
The maximum sinewave dissipation is 0,9 W.
R th j-a = 1----5---00---,---9---5----0-- 110 K/W.
Where Rth j-a of the package is 110 K/W, so no external heatsink is required.
July 1994
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