AK5388_09 Datasheet, PDF (27/31 Pages) Asahi Kasei Microsystems – 120dB 24-bit 192kHz 4-Channel ADC

[AK5388]
Figure 24 shows an input buffer circuit example in Mono mode. (1^st order HPF; fc=0.70Hz, 2^nd order LPF; fc=351kHz,
gain=-14.5dB).
Analog In
15.0Vpp
4.7k
4.7k VP+
-
+
VP-
N JM5 5 34
620
JP1
1n
Vin+ ^68µ 3.3k
11
-
+
Bi as
NJM5534
VA+
10k
+
11k
10µ
XLR
Bias
0.1µ
620
J P2
Vin-
VA=+5V
VP=±15V
1n
68µ
3.3k
-
11
+
NJM5534
Bias
Figure 24 External Analog Circuit Examples
2.8Vpp
AK5388 LIN+
15n
AK5388 LIN-
AK5388 RIN+
15n
AK5388 RIN-
2.8Vpp
fin
1Hz
10Hz
Frequency Response −1.77dB −0.02dB
Table 10. Frequency Response of HPF
fin
20kHz
40kHz
80kHz
Frequency Response 0.00dB
0.00dB 0.00dB
Table 11. Frequency Response of LPF
6.144MHz
−49.68dB
MS1096-E-01
- 27 -
2009/08