參數(shù)資料
型號: AK4524
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24BIT 96KHZ AUDIO CODEC
中文描述: 24位96kHz的音頻編解碼器
文件頁數(shù): 29/31頁
文件大?。?/td> 320K
代理商: AK4524
ASAHI KASEI
[AK4524]
M0050-E-01
1999/5
- 29 -
AOUT-
AOUT+
+Vop
-Vop
Analog
Out
4.7k
4.7k
R1
4.7k
3300p
R1
4.7k
470p
470p
When R1=200ohm
fc=93.2kHz, Q=0.712, g=-0.1dB at 40kHz
When R1=180ohm
fc=98.2kHz, Q=0.681, g=-0.2dB at 40kHz
+
-
Figure 13. External 2nd order LPF Example (using dual supply op-amp)
AOUT-
AOUT+
+Vop
-Vop
Analog
Out
4.7k
4.7k
4.7k
4.7k
180p
180p
fc=188kHz
+
-
Figure 14. External low cost 1st order LPF Example (using dual supply op-amp)
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.
5V Analog
3V Digital
3 or 5V Digital
Digital
Analog
I/F
Audio signal
DSP
uP &
Others
Control signal
AK4524
Figure 15. Power supply connection example
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