KS22069BN 查看數據表（PDF） - Samsung
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KS22069BN Datasheet PDF : 6 Pages
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KA2206B
2.3W DUAL AUDIO POWER AMP
APPLICATION INFORMATION
1.Stereo application
8
9
RF
R2
C1
+
CH1
-
R1
i) Fixed voltage gain
(Pin 9 connected to GND directly)
11
GV = 20 log (dBRR)12
ii) Variable voltage gain
(Rf and C1 connected with pin 9)
GV = 20 log
R(d2RB+1)RF
2. Bridge application
INPUT
8
9
RF
R2
C1
+
CH1
-
R1
5K
50
11
2
+
C4 RL C6
i) Fixed voltage gain (Pin 9 connected to GND directly)
GV = 20 log + RR612(dB)
ii) Variable voltage gain RF and C1 connected with pin 9)
GV = 20 log
R+2R6+(1RdBF )
+
CH2
-
R4
5
4
R3
C2
1
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