Samsung KS2206B, KS22069BN Datasheet
KA2206B 2.3W DUAL AUDIO POWER AMP
The KA2206B is a monolithic intergrated circuit consisting of a
2-channel power amplifier. It is suitable for stereo and bridge
amplifier application of radio cassette tape recorder.
FEATURES
• High output power
Stereo : PO = 2.3W(Typ) at VCC = 9V, RL = 4Ω.
Bridge : PO = 4.7W (Typ) at VCC = 9V, RL = 8Ω
• Low switching distortion at high frequency.
• Small shock noise at the time of power on/off due to a
built-in muting circuit
• Good ripple rejection due to a built-in ripple filter.
• Good channel separation.
• Soft tone at the time of output saturation.
• Closed loop voltage gain fixed 45dB (Bridge : 51dB) but availability
with external resistor added.
• Minimum number of external parts required.
• Easy to design radiator fin.
ORDERING INFORMATION
Device Package Operating Temperature
KS2206B 12-DIPH-300
KS22069BN 16-DIP-300A
BLOCK DIAGRAM
PRE GND IN1 NF1 POWER GND BS1 OUT1 V
7 8 9 10 11 12
Fin
12-DIPH-300
16-DIP-300A
-20°C ~ +70°C
CC
SHOCK NOISE
REJECTOR
6 5 4 3 2 1
R.R IN2 NF2 POWER GND BS2 OUT2 BTL OUT
-
INPUT
AMP 1
+
-
INPUT
AMP 2
+
Fin
Fig. 1
OUT
AMP 1
OUT
AMP 2
RIPPLE FILTER
KA2206B 2.3W DUAL AUDIO POWER AMP
ABSOLUTE MAXIMUM RATINGS
Characteristic Symbol Value Unit
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
* Fin is soldering on the PCB
ELECTRICAL CHARACTERISTICS
(Ta = 25°C, VCC = 9V, f = 1KHz RG = 600Ω, unless otherwise specified)
Characteristic Symbol Test Conditions Min Typ Max Unit
Operating Supply Voltage V
Quiescent Circuit Current I
Closed Loop Voltage Gain GVC Stereo VI = -45dBm 43 45 47 dB
Channel Balance CB Stereo -1 0 +1 dB
Ouptut Power PO
Total Harmonic Distortion THD Stereo
Input Resistance R
Ripple Rejection Ratio RR
Output Noise Voltage V
Cross Talk CT
V
CC
P
D
T
OPR
T
STG
CC
CCQVI
= 0, Stereo 40 55 mA
Bridge 49 51 53 dB
Stereo
Bridge
Bridge 0.5 %
I
Stereo,RG=0Ω, VI=150mW
f=100Hz
Stereo,RG=0Ω
NO
Stereo,RG=10KΩ
Stereo,RG=10KΩ, VO=0dBm
15
4*
-20 ~ +70
-40 ~ +150
RL=4Ω, THD = 10%,
RL=8Ω, THD = 10%,
RL=8Ω, THD = 10%,
PO=250mW, RL = 4Ω
V
W
°C
°C
9 11 V
1.7 2.3 W
1.3 W
4.7 W
0.3 1.5 %
21 30
KΩ
40 46 dB
0.3 1.0 mW
0.5 2.0 mV
40 55 dB
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