APA2176 查看數據表（PDF） - Anpec Electronics
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APA2176 Datasheet PDF : 28 Pages
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APA2176/2176A
Pin Description
TQFN4x4-20B
1
2
3
4, 6, 8, 12,
16, 20
5
7
9
10
11
13
14
15
17
18
19
PIN
NO.
TSSOP-16
4
TQFN3x3-16
(FOR APA2176A)
1
5
2
6
3
1, 3
4, 13
7
5
8
6
9
7
10
8
11
9
12
10
13
11
14
12
15
14
16
15
2
16
NAME
CP+
PGND
CP-
NC
CVSS
VSS
LOUT
VDD
ROUT
LIN
RSD
RIN
GND
LSD
PVDD
FUNCTION
Charge pump flying capacitor positive connection.
Charge pump ground.
Charge pump flying capacitor negative connection.
No Connection.
Charge pump output.
Connect this pin to CVSS.
Left channel output for headphone.
Supply voltage input pin.
Right channel output for headphone.
Left channel audio signal input pin.
Right channel shutdown mode control pin. A low-level voltage
applied on this pin shuts off the right channel headphone
driver.
Right channel audio signal input pin.
Ground connection for circuitry.
Left channel shutdown mode control pin. A low-level voltage
applied on this pin shuts off the left channel headphone driver.
Charge pump power supply voltage input pin.
Block Diagram
RIN
LIN
RSD
LSD
GND
Shutdown
circuit
Power and
Depop circuit
ROUT
Charge
Pump
circuit
LOUT
PVDD
CP+
CP-
GND PGND VDD
VSS
CVSS
Copyright © ANPEC Electronics Corp.
16
Rev. A.7 - Jan., 2013
www.anpec.com.tw
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