APA2020
Pin Description (Cont.)
Pin
I/O
Description
Name
No
NC
RVDD
17,23
18
No internal connection.
Supply voltage input for right channel.
I
RBYPASS
19
Connect to voltage divider for right channel internal mild-supply
bias.
RHP IN
20
21
22
I
I
Right channel headphone input, selected when HP/
held high.
pin (16) is
LINE
RLINE IN
ROUT+
Right channel line input, selected when HP/
low.
pin (16) is held
LINE
O
Right channel + output in BTL mode, + output in SE mode.
Test Information
CO
RF
RF
MUX
MUX
RL=4
Ω , 8Ω or 32 Ω
CI
RI
CI
RI
RL
Ω , Ω
= 4 8
or 32
Ω
VDD
4.7
µF
CB
4.7 F
µ
CB
SE/BTL
SE/BTL
HP/LINE
HP/LINE
Figure 2. BTL Test Circuit
Figure 3. SE Test Circuit
Customer Service
Anpec Electronics Corp.
Head Office :
5F, No. 2 Li-Hsin Road, SBIP,
Hsin-Chu, Taiwan, R.O.C.
Tel : 886-3-5642000
Fax : 886-3-5642050
Taipei Branch :
7F, No. 137, Lane 235, Pac Chiao Rd.,
Hsin Tien City, Taipei Hsien, Taiwan, R. O. C.
Tel : 886-2-89191368
Fax : 886-2-89191369
Copyright ANPEC Electronics Corp.
Rev. A.8 - Nov., 2002
7
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
