PA4894 Unisonic Technologies, PA4894 Datasheet - Page 5

• Manufacturer Part Number: PA4894
• Description: 1.8 Watt Differential Audio Power Amplifier With Selectable Shutdown
• Manufacturer: Unisonic Technologies

PA4894
Differential Input
Driving Headphone
TYPICAL APPLICATION CIRCUIT
Input from DAC
Input from DAC
SD MODE
Negative Diff
UNISONIC TECHNOLOGIES CO., LTD
Positive Diff
www.unisonic.com.tw
0
0
1
1
SHUTDOWN CONTROL
SD SELECT
0
1
0
1
390nF
390nF
C
C
I
1
SHUTDOWN
SHUTDOWN
I
2
STATUS
20kΩ
ON
ON
20kΩ
R
R
IN
IN
1
2
C
1µF
b
BYPASS
SD SELECT
SD MODE
INM
INP
SHUTDOWN
CONTROL
20kΩ
20kΩ
R
R
VP
F
F
1
VP
VM
2
C
1µF
S
OUTA
OUTB
CMOS IC
QW-R502-379.A
5 of 11
R
8Ω
L