Philips Semiconductors
Class AB stereo headphone driver
Product specification
TDA1308; TDA1308A
handbook, fuVll DpaDgewidth
C2
10 µF
C1
100 nF
BCK
WS
DATA
5
1
2
TDA1545A
3
4
R1
22 kΩ
8
R2
7
33 kΩ
6
Vref
C3
1 µF
C5
1 nF
R3
3.9 kΩ
C7
100 µF
R5
10 kΩ
18
2
3
TDA1308(A)
5
6
74
C6
100 µF
R4
3.9 kΩ
C4
1 nF
C8
100 µF
R6
10 kΩ
MKA783
Fig.5 Example of application with TDA1545A (stereo continuous calibration DAC).
handbook, halfpage
80
Gv
(dB)
40
RL = 32 Ω
MKA784
no load
0
10−2
10−3
10−4
10−5
10−6
10−7 10−8
fi (Hz)
− 70
handbook, halfpage
Gv
(dB)
− 90
MKA785
−110
−130
10−1
RL = 16 Ω
32 Ω
5 kΩ
10−2
10−3
10−4
10−5
fi (Hz)
Fig.6 Open-loop gain as a function of input
frequency.
2002 Jul 19
Fig.7 Crosstalk as a function of input frequency.
7