KIA6240K Datasheet PDF - KEC

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KIA6240K
KEC

Part Number KIA6240K
Description DUAL AUDIO POWER AMPLIFIER
Page 4 Pages


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SEMICONDUCTOR
TECHNICAL DATA
KIA6240K
BIPOLAR LINEAR INTEGRATED CIRCUIT
DUAL AUDIO POWER AMPLIFIER
The KIA6240K is dual power amplifier for consumer application.
This IC provides an output power of 6 watts per channel
(at VCC=22V, f=1kHz, RL=8 , THD=0.5%)
It is suitable for power amplifier of TV and home stereo.
A
F
Q
B
FEATURES
High output power : POUT=6W(Typ.)
(VCC=22V, RL=8 , f=1kHz, THD=0.5%)
High current capability.
AC short circuit protection.
Thermal overload protection.
Operation supply voltage range : VCC(opr)=8 26V.
MAXIMUM RATINGS (Ta=25 )
A
PdD
T
M
N
DETAIL "A"
MAX:0.05
MIN:0.00
EACH END
DIM
A
B
D
d
F
G
H1
H2
I
J
L
M
N
P
Q
T
MILLIMETERS
26.6+_ 0.2
4.0 +_0.2
1.2+_ 0.1
0.5+_ 0.1
22.0+_ 0.2
0.5+_ 0.2
8.5+_ 0.3
15.0+_ 0.3
1.5
1.0
5.5+_ 0.3
0.6+0.08/-0.02
0.65+0.1/-0.07
2.54
Φ3.2+_ 0.2
0.4+0.1/-0.05
CHARACTERISTIC
SYMBOL RATING UNIT
SSIP-10
Supply Voltage
Output Current (repetitive f 20Hz)
Output Current (non repetitive t=100 s)
Power Dissipation (Tcase=70 )
Operating Temperature
Storage Temperature
VCC
IO(peak)
IO(peak)
PD
Topr
Tstg
28
3
3.5
10
-20 75
-55 150
V
A
A
W
PIN CONFIGURATION (TOP VIEW)
10 N.C
9 OUT (1)
8 Vcc
7 OUT (2)
6 GND
5 INPUT+(2)
4 INPUT-(2)
3 RIPPLE
2 INPUT-(1)
1 INPUT+(1)
2001. 2. 8
Revision No : 2
1/4



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KIA6240K
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VCC=18V, f=1kHz, Rg=600 , RL=8 , Ta=25 )
CHARACTERISTIC
SYMBOL
TEST
CIRCUIT
TEST CONDITION
Quiescent Current
ICCQ
- VIN=0
MIN. TYP. MAX. UNIT
- 50 90 mA
Quiescent Output Voltage
Output Power
Total Harmonic Distortion
Cross Talk
VO
POUT (1)
POUT (2)
THD(1)
THD(2)
C.T
- - - 8.5
-
f=100Hz 6kHz, VCC=18V,
RL=4 , THD=0.5%
-
f=100Hz 6kHz, VCC=22V,
RL=8 , THD=0.5%
-
VCC=18V, RL=4 ,
POUT=100mW to 3W
-
VCC=22V, RL=8 ,
POUT=100mW to 3W
5.0 6
5.0 6
- 0.1
- 0.05
-
Rg=10k ,
VOUT=0.775Vrms
f=1kHz
50
f=10kHz 40
60
50
-
-
-
-
-
-
-
V
W
%
dB
Input Saturation Voltage
Input Resistance
Voltage Gain
Input Noise voltage
Ripple Rejection Ratio
Thermal Shut-down Junction
Temperature
VIN -
300 -
- mVrms
RIN -
70 200 - k
GV - VOUT=0.775Vrms
35.5 36 36.5 dB
VNI - Rg=10k , BW=20Hz 20kHz - 2.5 8.0 Vrms
R.R - Rg=10k , Vripple=0.5V,
f=100Hz
- -55 - dB
Tj -
- 145 -
2001. 2. 8
Revision No : 2
2/4



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KIA6240K
APPLICATION CIRCUIT
22µF
C3
2.2µF
C1
1
2.2µF
C2
5
VCC
38
C4
0.1µF
C5
100µF
+
9
2200µF
-
C10
R1 C8
1.3K
0.1µF
2 C6
220µF
R2
18
R5
1
+
-
6
7
R3
1.3K
4 C7
220µF
R4
18
2200µF
C9
0.1µF
C11
R6
1
RL
RL
EXTERNAL PARTS TABLE
The recommended values of the components are those shown on application circuit.
Different values can be used ; the following table can help the designer.
Parts
Number
R1, R3
R2, R4
R5, R6
Typical
1.3k
18
Purpose
Close Loop Gain
Setting *
1 Frquency Stability
C1, C2
2.2 F
Input D.C Decoupling
C3
22 F
Ripple Rejection
C6, C7
220 F
Feedback Input
D.C Decoupling
C8, C9
0.1 F
Frequency Stability
* : The closed loop gain must be higher than 26dB.
Influence
Smaller Than Typ.
Larger Than Typ.
Decrease of Gain1
Increase of Gain
Increase of Gain
High Turn-on Pop Higher
Low Frquency Cut off Increase
of Noise
Degradation of Ripple
Rejection
Decrease of Gain
Danger of Oscillation at
High Frequency with
inductive load
High Turn-on Delay
Better Ripple Rejection Ratio
increase of the Switch-on time
Danger of Oscillation
2001. 2. 8
Revision No : 2
Note
3/4



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KIA6240K
APPLICATION INFORMATION
12W Bridge Amplifier (THD=0.5%, GV=40dB)
22µF
C3
3
2.2µF
IN 1
+
C1
-
+18V
8
C6
0.1µF
C7
100µF
9
C4
2
220µF
R1
1K
2.2µF
C2
5
+
-
6
7
C5
4
220µF
R2
2K
R6
39
R3
39
C8
0.1µF
R4
1
C9
0.1µF
R5
1
RL=8
SCHEMATIC DIAGRAM
VREF
THERMAL
7 SHUT-DOWN
8
9
2001. 2. 8
45
3
Revision No : 2
12
5
4/4



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KIA6240K DUAL AUDIO POWER AMPLIFIER KIA6240K
KEC
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