AK4589_1 Datasheet, PDF (74/76 Pages) Asahi Kasei Microsystems – 2/8-Channel Audio CODEC with DIR

ASAHI KASEI
[AK4589]
5. Analog Outputs
Figure 51 shows an example of the Non-inverted differential output buffer and the summing amp with LPF. NJM5534D
are op-amps that has low noise and +/- 15V power supply operation.
AOUTL-
100u
+
330
3.3n
180
3.9n
37
2
+
-4
6
NJM5534D
680
+
0.1u
+
0.1u
10u
10u
AOUTL+
100u
+
330
3.3n
180
3.9n
37
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+7
Lch
1.0n NJM5534D
0.1u
+ _10u
Figure 51. External 2nd order LPF Circuit Example
MS0339-E-00
- 74 -
2004/09