AK5385A Datasheet, PDF (19/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
4.
Figure 6
10nF
LPF
−10dB
370kHz
[AK5385A]
22Ω
LPF
LIN+/−(RIN+/−)
360kHz
Analog In
9.56Vpp
VA
10k _{0.1µ 10µ}
10k
910
4.7k
470p
4.7k
VP+ _{47µ 3k}
VP-
NJM5532
Bias
910
470p
47µ _3k
VA = 5V
Bias
VP+ = 15V
Bias
VP- = -15V
2.9Vpp
22
4 LIN+
10n
AK5385A
22
5 LIN-
2.9Vpp
Figure 7 AK5385A
gain=−14dB, Table 7)
Figure 7
+/−14.7Vpp
Figure 6.Input Buffer example
2(1^st order HPF: fc=0.66Hz, Table 6; 1^st order LPF: fc=590kHz,
JP1, 2
JP1, 2
BNC
4.7k
JP1
4.7k
14.7Vpp
Vin+
22µ
1k
XLR
JP2
VA
NJM5534
10k
0.1µ ^4.7k
Bias
10µ
4.7k
10k
2.9Vpp
91
4 LIN+
AK5385A
1.5n
100
91
5 LIN-
NJM5534
Vin-
22µ
1k
14.7Vpp
NJM5534
2.9Vpp
Figure 7.Input Buffer example
fin
1Hz
10Hz
Frequency Response −1.56dB −0.02dB
Table 6. Frequency Response of HPF
fin
20kHz
40kHz 6.144MHz
Frequency Response −0.005dB −0.02dB −15.6dB
Table 7. Frequency Response of LPF
MS0265-J-01
- 19 -
2003/11