APA4863KI-TRG Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APA4863KI-TRG Datasheet PDF : 17 Pages
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APA4863
Pin Description
PIN
NO.
TSSOP-20 TSSOP-20P SOP-16
1
1
1
2,7,19
3
4,17
5
6
2,7,9,10,11,
12,19
3
4,17
5
6
2,7,15
3
4,13
5
6
8
8
8
13
13
9
14
14
10
15
15
11
16
16
12
18
18
14
20
20
16
9,10,11,12
-
-
I/O
NAME
FUNCTION
SHUTDOWN
I
Shutdown mode control pin input, places entire IC in shutdown mode
when held high, IDD=0.5µA.
GND
- Ground connection of circuitry.
+OUT A
VDD
-OUT A
-INA
+INA
+IN B
BYPASS
-IN B
-OUT B
+OUT B
HP-IN
NC
O A channel + output in BTL mode, high impedance in SE mode.
I Supply voltage input.
O A channel - output in BTL mode, + output in SE mode.
I Input pin of channel A.
I
Non-inverting input of channel A, connected to bypass pin inside the
IC.
I
Non-inverting input of channel B, connected to bypass pin inside the
IC.
- Connect to voltage divider for internal mid-supply bias.
I Input pin of channel B.
O B channel - output in BTL mode, + output in SE mode.
O B channel + output in BTL mode, high impedance in SE mode.
I
Headphone control pin input, hold high for single-ended mode
operation.
- No connection.
Block Diagram
Audio
Input
R1
20kΩ
C1
1 µF
RF
20kΩ
CB
2.2µF
Audio
Input
R1
20kΩ
C1
1 µF
RF
20kΩ
VDD
100kΩ
To Control Pin on
Headphone Jack
100kΩ
VDD
CS
0.1µF
- IN A
+ IN A*
Bypass
- IN B
+ IN B*
50kΩ
VDD / 2
50kΩ
Shutdown
HP-IN
GND
20kΩ
- OUT A
20kΩ
20kΩ
+ OUT A
20kΩ
- OUT B
20kΩ
20kΩ
+ OUT B
CO
+
100µF
RL 1kΩ
8Ω
Control
Pin
To HP-IN Circuit
Ring
Sleeve
Tip
CO
+
100µF
RL
1kΩ
8Ω
Headphone Jack
Note : * +INA and +INB pins are connected to Bypass pin inside the IC.
Copyright © ANPEC Electronics Corp.
10
Rev. A.7 - Oct., 2009
www.anpec.com.tw
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