SGM4996_17 Datasheet, PDF (9/16 Pages) SG Micro Corp – 1.3W Fully Differential Audio Power Amplifier with Selectable Shutdown

SGM4996
1.3W Fully Differential Audio Power
Amplifier with Selectable Shutdown
APPLICATION CIRCUITS (continued)
R_F
20kΩ
To
Battery
C_S
1µF
V_CC
C_I
R_I
0.39µF
Audio Input
20kΩ
IN-
_
C_B
Bypass
1µF (Optional)
Bias
VCC /2
Circuitry
+
C_I
R_I
IN+
0.39µF ^20kΩ
Shutdown Control
SD MODE
SD SELECT
0
0
0
1
1
0
1
1
Status
Shutdown
On
On
Shutdown
SD SELECT
SD MODE
To External Power
Supply or Control I/O
10kΩ
10kΩ
Shutdown
Control
GND
VO+
VO-
R_L = 8Ω
R_F
20kΩ
NOTE: A 10kΩ resistor must be serially connected to SD SELECT or SD MODE pin.
Figure 2. Single-Ended Input Application Schematic
SG Micro Corp
www.sg-micro.com
MARCH 2017
9