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APA2121RI-TY Datasheet(PDF) 6 Page - Anpec Electronics Coropration

Part # APA2121RI-TY
Description  Stereo 2-W Audio Power Amplifier (with DC_Volume Control)
PDF  30 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APA2121RI-TY Datasheet(HTML) 6 Page - Anpec Electronics Coropration

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Copyright
 ANPEC Electronics Corp.
Rev. A.1 - Mar., 2003
APA2120/2121
www.anpec.com.tw
6
Pin
Name
No
Config.
Description
GND
1,12,
13,24
Ground connection, Connected to thermal pad.
PCBEN
2
I/P
BEEP mode control input, active H, for APA2120 only
HP/LINE
2
I/P
Multi-input selection input, headphone mode when held high, line-in
mode when held low for APA2121 only.
VOLUME
3
Input signal for internal volume gain setting.
LOUT+
4
O/P
Left channel positive output in BTL mode and SE mode.
LLINEIN
5
I/P
Left channel line input terminal, selected when HP/LINE is held low.
LHPIN
6
O/P
Left channel headphone input terminal, selected when HP/LINE is
held high.
PVDD
7,18
Supply voltage only for power amplifier.
RBYPASS
8
I/P
Right channel bypass voltage.
LOUT-
9
O/P
Left channel negative output in BTL mode and high impedance in
SE mode.
LBYPASS
10
I/P
Left channel bias voltage generator.
BYPASS
11
Bias voltage generator
PC_BEEP
14
I/P
PCBEP signal input
SE/BTL
15
I/P
Output mode control input, high for SE output mode and low for
BTL mode.
ROUT-
16
O/P
Right channel negative output in BTL mode and high impedance in
SE mode.
CLK
17
Clock signal generator
VDD
19
Supply voltage for internal circuit excepting power amplifier.
RHPIN
20
I/P
Right channel headphone input terminal, selected when HP/LINE is
held high.
ROUT+
21
O/P
Right channel positive output in BTL mode and SE mode.
SHUTDOWN
22
I/P
It will be into shutdown mode when pull low.
RLINEIN
23
I/P
Right channel line input terminal, selected when HP/LINE is held
low.
Pin Function Description



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