AK4524VF Asahi Kasei Microsystems, AK4524VF Datasheet - Page 29

• Manufacturer Part Number: AK4524VF
• Description: 24BIT 96KHZ AUDIO CODEC
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
n Peripheral I/F Example
The digital inputs of the AK4524 are TTL inputs and can accept the signal of device with a nominal 3V supply. The digital
output can interface with the peripheral device with a nominal 3V supply when the VT supply operates at a nominal 3V
supply.
M0050-E-01
Figure 14. External low cost 1st order LPF Example (using dual supply op-amp)
5V Analog
Figure 13. External 2nd order LPF Example (using dual supply op-amp)
AOUT-
AOUT+
AOUT-
AOUT+
Analog
Figure 15. Power supply connection example
AK4524
Digital
4.7k
4.7k
3300p
4.7k
4.7k
4.7k
4.7k
I/F
When R1=200ohm
When R1=180ohm
4.7k
- 29 -
R1
R1
Audio signal
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
470p
Control signal
180p
180p
4.7k
470p
-Vop
+Vop
+
-
-Vop
+Vop
+
-
uP &
Others
DSP
fc=188kHz
Analog
Out
3V Digital
3 or 5V Digital
Analog
Out
[AK4524]
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