APA2020A Anpec Electronics Coropration, APA2020A Datasheet - Page 7

• Manufacturer Part Number: APA2020A
• Description: Stereo 2-W Audio Power Amplifier
• Manufacturer: Anpec Electronics Coropration

Pin Description (Cont.)
APA2020A
Test Information
Copyright  ANPEC Electronics Corp.
Rev. A.5 - July., 2002
4.7µF
RBYPASS
RLINE IN
C
RHP IN
ROUT+
I
Name
RV
NC
R
R
F
I
DD
C
B
Pin
Figure 2. BTL Test Circuit
MUX
17,23
No
18
19
20
21
22
HP/LINE
SE/BTL
I/O
O
I
I
I
No internal connection.
Supply voltage input for right channel.
Connect to voltage divider for right channel internal mild-supply
bias.
Right channel headphone input, selected when HP/ LINE pin (16) is
held high.
Right channel line input, selected when HP/ LINE pin (16) is held
low.
Right channel + output in BTL mode, + output in SE mode.
R
L
=4 Ω , 8Ω or 32 Ω
7
4.7µF
C
Description
I
R
R
I
Figure 3. SE Test Circuit
F
C
B
MUX
SE/BTL
HP/LINE
www.anpec.com.tw
V
DD
C
O
R
L
= 4 Ω , 8 Ω
or 32 Ω