SA7269
APPLICATION SUGGEST
The recommended values of the external components are those shown are the
Typical Application Circuit in
Split Supply:
COMPONENTS
RECOMMENDED
VALUE
10KΩ
15KΩ
18KΩ
15KΩ
18KΩ
560Ω
4.7Ω
1µF
1µF
1000µF
0.1µF
0.1µF
5.1V
BC107
25dB.
LARGER THAN
PURPOSE
RECOMMENDED
VALUE
Mute Circuit
Mute Circuit
Mute Circuit
Mute Circuit
Closed Loop Gain
Setting*
Frequency
Stability
Input DC
Decoupling
St-By/Mute Time
Constant
Supply Bypass
Supply Bypass
Frequency
Stability
Mute Circuit
Mute Circuit
Larger On/Off Time
Increase of Dz
Biasing Current
VMUTE/STBY Shifted
Downward
VMUTE/STBY Shifted
Upward
VMUTE/STBY Shifted
Upward
Increase of Gain
Decrease of Gain
Danger of Oscillations
Danger of Oscillations
Higher Low Frequency
Cutoff
Smaller On/Off Time
Danger of Oscillations
Danger of Oscillations
VMUTE/STBY
Upward
VMUTE/STBY
Downward
VMUTE/STBY
Downward
Shifted
Shifted
Shifted
SMALLER THAN
RECOMMENDED
VALUE
R1
R2
R3
R4
R5, R8
R6, R9
R7, R10
C1, C2
C3
C4, C6
C5, C7
C8, C9
Dz
Q1
* Closed loop gain has to be
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2
2006.05.25
Page 9 of 11
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