SGM4995 Datasheet, PDF (7/11 Pages) SG Micro Corp – Audio Power Amplifier

SGM4995
1.3W Mono Fully Differential
Audio Power Amplifier
APPLICATION CIRCUITS
RF
20kΩ
To
Battery
CS
1μF
VCC
CI
0.39μF
RI
20kΩ
To External Power
VIH Supply or Control I/O 10kΩ _SHDN
VIL
CB
Bypass
1μF (Optional)
CI
0.39μF
RI
20kΩ
IN-
Bias
Circuitry
IN+
_
VCC /2
+
VO+
VO-
RL = 8Ω
GND
RF
20kΩ
Figure 1. Typical Differential Input Application Schematic
RF
20kΩ
To
Battery
CS
1μF
VCC
CI
RI
Audio Input
0.39μF
20kΩ
IN-
_
VIH
To External Power
10kΩ _SHDN
VIL ^{Supply or Control I/O}
CB
Bypass
1μF (Optional)
CI
0.39μF
RI
20kΩ
Bias
Circuitry
IN+
VCC /2
+
VO+
VO-
RL = 8Ω
GND
RF
20kΩ
Figure 2. Single-Ended Input Application Schematic
NOTE:
1. A 10kΩ resistor must be serially connected to _SHDN pin.
SG Micro Corp
7
www.sg-micro.com