8229 データシートの表示（PDF） - Unisonic Technologies
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8229 Datasheet PDF : 9 Pages
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UTC TA8229 LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
+ C11 (*2)
100µF
SW1
VCC2
8
4
VCC1
+ C10
1000µF
B.S.1
6
IN-1
(*1)CIN
IN1
11
+
OUT1
+ C4
100µF
C8
Rf1
NF1
10
Ch-1
-
5
1000µF
120Ω
45Ω
+ C1
47µF
30kΩ
C6
0.15µF
RL
RIPPLE
9
+ C3
- 47µF
BIAS CIRCUIT
THERMAL SHUT
DOWN PROTECTION
CIRCUIT
Power-GND
7
(*1)CIN
IN2
IN-2
-
12
+
120Ω
+ C2
47µF
NF2
13
45Ω
Ch-2
-
OUT2
3
C5
100µF +
2
C9
1000µF
C7
RL
0.15µF
30kΩ
B.S.2
OUT-1
OUT-2
14
Pre-GND1.
15
Pre-GND2.
1 pin : NC
(*1) This IC can be used without coupling capacitor (CIN).
If volume slide noise occurred by input offset voltage is undesirable, it needs to use the capacitor (CIN).
(*2) The condenser between the ⑧pin and the GND (C11) is for reducing POP noise when the power ON/OFF
switch (SW1) is set to ON/OFF.
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R107-028,A
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