AK4356 Datasheet, PDF (27/29 Pages) Asahi Kasei Microsystems – 192kHz 24 Bit IX-CHANNEL DAC FOR DVD-AUDIO

ASAHI KASEI
[AK4356]
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=200W
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
When R1=180W
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
Figure 10. 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=200W
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
When R1=180W
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
Figure 11. External 2^nd order LPF Circuit Example (using op-amp with dual power supplies)
M0072-E-01
- 27 -
1999/09