AK4355 Datasheet, PDF (22/24 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit 6ch DAC for DVD-Audio

ASAHI KASEI
[AK4355]
AOUT-
AOUT+
Vop
BIAS
1k
0.1u
47u
1k
4.7k
3300p
4.7k
4.7k
R1
470p
Vop
R1
4.7k
470p
Analog
Out
When R1=200Ω
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
When R1=180Ω
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
Figure 11 External 2^nd order LPF Circuit Example (using op -amp with single power supply)
AOUT-
AOUT+
4.7k
3300p
4.7k
4.7k
4.7k
R1
470p
+Vop
R1
470p ^-Vop
Analog
Out
When R1=200Ω
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
When R1=180Ω
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
Figure 12 External 2^nd order LPF Circuit Example (using op -amp with dual power supplies)
MS0063-E-01
- 22 -
2002/07