
22
Plasma TV Service Manual
05/01/2006
12.19. TDA1308
12.19.1. General Description
The TDA1308 is an integrated class AB stereo headphone driver contained in an SO8 or a DIP8 plastic
package. The device is fabricated in a 1 mm CMOS process and has been primarily developed for
portable digital audio applications. It gets its input from two analogue audio outputs (DACA_L and
DACA_R) of MSP 34x0G. The gain of the output is adjustable by the feedback resistor between the
inputs and outputs.
12.19.2. Features
•
Wide temperature range
•
No switch ON/OFF clicks
•
Excellent power supply ripple rejection
•
Low power consumption
•
Short-circuit resistant
•
High performance
• H
igh signal-to-noise ratio
•
High slew rate
•
Low distortion
•
Large output voltage swing.
12.19.3. Pinning
SYMBOL PIN
DESCRIPTION
OUTA 1
Output
A
INA(neg)
2
Inverting input A
INA(pos)
3
Non-inverting input A
V
SS
4
Negative
supply
INB(pos)
5
Non-inverting input B
INB(neg)
6
Inverting input B
OUTB 7
Output
B
V
DD
8
Positive
supply
12.20. PI5V330
12.20.1. General Description
The PI5V330 is well suited for video applications when switching composite or RGB analogue. A
picture-in-picture application will be described in this brief. The pixel-rate creates video overlays so two
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