SGM4809 Datasheet, PDF (7/10 Pages) SG Micro Corp – Headphone Amplifier

SGM4809
TYPICAL APPLICATION
Dual 158mW Headphone Amplifier
with Active Low Shutdown Mode
RF
20kΩ
V+
CS +
1 μF
Audio
Input
CI
RI
0.47μF 20kΩ
VIN1
VIH
VIL
Shutdown
Control
10kΩ
SHDN
BIAS
+
CBYPASS
1.0 μF
Bypass
VIN2
Audio
Input
CI
RI
0.47μF 20kΩ
C0
_
VO1
+
+
V+
20kΩ
100μF
RL
32Ω
+
VO2
_
20kΩ
C0
+
100μF
RL
32Ω
GND
RF
20kΩ
NOTE:
1. A 10kΩ resistor must be serially connected to SHDN pin.
SG Micro Corp
7
www.sg-micro.com