3.5.14 Function introduction to TDA1308
1. DESCRIPTION
The TDA1308 (U603) is an integrated class AB stereo headphone driver contained in an SO8, DIP8 or a
TSSOP8 plastic package. The device is fabricated in a 1 mmCMOS process and has been primarily
developed for portable digital audio applications.
The difference between the TDA1308 and the TDA1308A is that the TDA1308A can be used at low
supply voltages.
2. FEATURES
◆ Wide temperature range
?◆ No switch ON/OFF clicks
?◆ Excellent power supply ripple rejection
?◆ Low power consumption
◆ Short-circuit resistant
?◆ High performance
◆ – high signal-to-noise ratio
◆ – high slew rate
◆ – low distortion
?◆ Large output voltage swing.
3. PIN DESCRIPTION
PIN Symbol I/O Description
1 OUTA O output A
2 INA(neg) I inverting input A
3 INA(pos) I non-inverting input A
4 VSS I negative supply
PIN Symbol I/O Description
5 INB(pos) I non-inverting input B
6 INB(neg) I inverting input B
7 OUTB O output B
8 VDD I positive supply
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