APA2037_09 Datasheet, PDF (15/24 Pages) Anpec Electronics Coropration – 3W Stereo Fully Differential Audio Power Amplifier

APA2037
Typical Application Circuits (Cont.)
Differential input mode
V_DD
C_s2
C_s1
0.1µF _{Gnd 10µF}
7 LVDD
19 RVDD
Left
Channel
Input
C_i1
0.22µF
C_i2
0.22µF
R_i1
LINN 13
10kΩ
R_i2
LINP 12
10kΩ
40kΩ ^R_f1
40kΩ R_f2
SHUTDOWN
Control
C_i3
R_i3
LSD 9
RSD 14
R_RSD
100kΩ
RINP 16
GND
R_LSD
100kΩ
Bias and Control
Circuitrys
40kΩ R_f3
Right
Channel
Input
0.22µF
C_i4
10kΩ
R_i4
RINN 17
0.22µF _10kΩ
40kΩ ^R_f4
4 LOUTP
6 LOUTN
11 LBYPASS
15 RBYPASS
C_b2
0.22µF
3 ROUTN
1 ROUTP
5 GND
Gnd
2 GND
4Ω
C_b1
0.22µF
4Ω
Copyright © ANPEC Electronics Corp.
15
Rev. A.3 - Aug., 2009
www.anpec.com.tw