ak4527b AKM Semiconductor, Inc., ak4527b Datasheet - Page 29

• Manufacturer Part Number: ak4527b
• Description: High Performance Multi-channel Audio Codec
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0056-E-00
Figure 14. Differential Input Buffer Example (ADIF= “H”; Using op-amp with single power supply)
Figure 15. Differential Input Buffer Example (ADIF= “H”; Using op-amp with dual power supply)
AK4527B
AK4527B
AK4527B
RIN+
RIN-
LIN+
LIN-
RIN+
RIN-
LIN+
LIN-
RIN+
RIN-
LIN+
LIN-
AK4527B
32
31
30
29
1.5Vpp
Figure 12. Single End Input Example (ADIF= “L”; Not using op-amp)
Figure 13. Single End Input Example (ADIF= “L”; Using op-amp)
1nF
32
31
30
29
32
31
30
29
RIN+
RIN-
LIN+
LIN-
1.5Vpp
2.2nF
1nF
1.5Vpp
Same circuit
32
31
30
29
470
470
3.0Vpp
1.5Vpp
2.2nF
470
470
470
470
Same circuit
Same circuit
AVDD
470
470
NJM2100
Same circuit
NJM5532
10k
+
-
NJM2100
Vop=AVDD=5V
10k
+
-
- 29 -
Vop=AVDD=5V
10k
Vop=12V
4.7k
4.7k
10k
AVDD
0.1µ
22µ
Vop
Vop
+
+
+Vop
-
-
-Vop
+
BIAS
4.7k
4.7k
10µ
Signal
+
-
4.7k
4.7k
4.7k
4.7k
4.7k
AVDD
AVDD
4.7k
4.7k
10k
10k
AVDD
0.1µ
0.1µ
10k
22µ
22µ
0.1µ
+
+
3.0Vpp
BIAS
BIAS
10µ
10µ
22µ
+
BIAS
Signal
Signal
10µ
6.4Vpp
3.2Vpp
Signal
3.2Vpp
[AK4527B]
2000/10