AK4490EN Datasheet, PDF (64/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
Table 38. Frequency Response of External LPF Circuit Example 1 for PCM
Frequency
Response
Gain
20kHz
0.011dB
40kHz
0.127dB
80kHz
1.571dB
100µ
AOUTL- ⁺
330
3.3n
180
3.9n
37
2
+
-
*
4
6
NJM5534D
680
+ _10µ
0.1µ
10µ
+
0.1µ
100µ
AOUTL+ ⁺
330
3.3n
180
3.9n
37
2
+
-
6
4
NJM5534D
680
+ _10µ
0.1µ
10µ
+
0.1µ
+15
-15
620
620
560
0.1µ +^10µ
1.0n
2 _- 4 ₆ ¹⁰⁰
3+7
1.0n NJM5534D
Lch
g
0.1µ
+ _10µ
Figure 41. External LPF Circuit Example 2 for PCM
Table 39. Frequency Response of External LPF Circuit Example 2 for PCM
1^st Stage 2^nd Stage
Total
Cut-off Frequency
182kHz 284kHz
-
Q
0.637
-
-
Gain
+3.9dB -0.88dB +3.02dB
Frequency
Response
20kHz
40kHz
80kHz
-0.025dB
-0.106dB
-0.517dB
-0.021dB
-0.085dB
-0.331dB
-0.046dB
-0.191dB
-0.848dB
015013666-E-01
- 64 -
2015/12