SGM4996 Datasheet, PDF (8/16 Pages) SG Micro Corp – Amplifier with Selectable Shutdown

SGM4996
APPLICATION CIRCUITS
1.3W Fully Differential Audio Power
Amplifier with Selectable Shutdown
R_F
20kΩ
To
Battery
C_S
1μF
V_CC
C_I
R_I
0.39μF
20kΩ
IN-
_
Shutdown Control
SD MODE
SD SELECT
0
0
0
1
1
0
1
1
Status
Shutdown
On
On
Shutdown
C_B
Bypass
1μF (Optional)
Bias ^VCC ^/2
Circuitry
C_I
R_I
IN+
0.39μF ^20kΩ
SD SELECT ^10kΩ
SD MODE
To External Power 10kΩ
Supply or Control I/O
+
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 1. Typical Differential Input Application Schematic
SG Micro Corp
8
www.sg-micro.com