TDA7053 Datasheet, PDF (4/12 Pages) NXP Semiconductors – 2 x 1 W portable/mains-fed stereo power amplifier

Philips Semiconductors
2 x 1 W portable/mains-fed stereo
power amplifier
Product specification
TDA7053
PINNING
1. SGND1 signal ground 1
2. IN1
input 1
3. n.c.
not connected
4. n.c.
not connected
5. V_P
6. IN2
supply voltage
input 2
7. SGND2 signal ground 2
8. n.c.
not connected
9. OUT2A
10. GND2
11. n.c.
12. OUT2B
13. OUT1B
14. GND1
15. n.c.
16. OUT1A
output 2 (positive)
power ground 2
not connected
output 2 (negative)
output 1 (negative)
power ground 1
not connected
output 1 (positive)
Note
The information contained within the parentheses refer to the polarity of the loudspeaker terminal to which the output
must be connected.
FUNCTIONAL DESCRIPTION
The TDA7053 is a stereo output amplifier, with an internal gain of 39 dB, which is primarily for use in portable audio
applications but may also be used in mains-fed applications. The current trends in portable audio application design is
to reduce the number of batteries which results in a reduction of output power when using conventional output stages.
The TDA7053 overcomes this problem by using the Bridge-Tied-Load (BTL) principle and is capable of delivering 1.2 W
into an 8 Ω load (V_P = 6 V). The load can be short-circuited under all input conditions.
February 1994
4