AK4414EQ Datasheet, PDF (47/51 Pages) Asahi Kasei Microsystems – High Performance 120dB 32-Bit 4ch DAC

[AK4414]
A K44 14
AOUT-
AOU T+
2.4k
3.3n
2.4k
2.4k
2.4k
150
680p
+Vop
150
680p ^-Vop
Analog
Out
Figure 26. PCM mode 外付けLPF 回路例1 (fc = 125kHz, Q=0.692)
Frequency Response
Gain
20kHz
−0.036dB
40kHz
80kHz
−0.225dB
−1.855dB
Table 29. PCM mode 外付けLPF 回路例1 の周波数応答
100u
AOUTL- ⁺
330
3.3n
180
3.9n
37
2
+
-4
6
NJM5534D
680
+ _10u
0.1u
10u
+
0.1u
100u
AOUTL+ ⁺
330
3.3n
180
3.9n
3
7
+
2-
6
4
NJM5534D
680
+ _10u
0.1u
10u
+
0.1u
+15
-15
620
620
560
0.1u +^10u
1.0n
2 _- 4 ₆ ¹⁰⁰
3+
1.0n
7
N
JM5534D
Lch
0.1u
+ _10u
Figure 27. PCM mode 外付けLPF 回路例2
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
-0.025
-0.106
-0.517
-0.021
-0.085
-0.331
-0.046dB
-0.191dB
-0.848dB
Table 30. PCM mode 外付け回路例2 の周波数応答
MS1476-J-00
- 47 -
2013/01