ka2206b Samsung Semiconductor, Inc., ka2206b Datasheet - Page 3

• Manufacturer Part Number: ka2206b
• Description: 2.3w Dual Audio Power Amp
• Manufacturer: Samsung Semiconductor, Inc.

KA2206B
APPLICATION INFORMATION
1.Stereo application
2. Bridge application
i) Fixed voltage gain (Pin 9 connected to GND directly)
ii) Variable voltage gain R
G
G
V
V
INPUT
= 20 log
= 20 log
R
C
F
1
8
9
+ 6(dB)
R
R
R
C
R
R
1
2
+ 6(dB)
F
1
2
2
R
+R
1
8
9
F
and C
F
1
R
+
connected with pin 9)
2
-
CH1
R
1
+
-
2.3W DUAL AUDIO POWER AMP
CH1
R
1
11
5K
50
i) Fixed voltage gain
ii) Variable voltage gain
(Pin 9 connected to GND directly)
G
(Rf and C
G
11
V
V
= 20 log
= 20 log
+
C
4
1
RL
connected with pin 9)
(dB)
C
R
R
+
6
R
1
2
(dB)
2
2
R
+R
1
F
CH2
R
4
+
-
R
3
5
4
1
C
2