KA22130.pdf

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199631170 UNPDF
1 CHIP TAPE RECORDER SYSTEM
KA22130
INTRODUCTION
The KA22130 is a monolithic integrated circuit consisting of a pre-
amplifier ALC circuit, and a power amplifier in a 16-pin plastic
dualinline package.
16-DIP-300A
FEATURES
¤ Suitable for playing and recording mono cassette tape recorder
¤ Wide operating supply voltage range: V CC = 4V ~ 12V
¤ High gain pre-amplifier and power amplifier
¤ Output power of power amplifier state
P O = 1W at V CC = 6V, R L = 4W, THD = 10%
¤ Soft tone quality at the time of output saturation
¤ Wide ALC range and small variation in output voltage
¤ Reduced shock noise at the time of power on/off due to built-in prevention circuit
¤ Variable monitor capability due to recording amplifier consisting of pre-amplifier alone
¤ Minimum number of external parts required
ORDERING INFORMATION
Device
Package
Operating Temperature
KA22130 16-DIP-300A
-20C ~ +70C
1
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KA22130
1 CHIP TAPE RECORDER SYSTEM
BLOCK DIAGRAM
PRE
PRE
OUT ALC IN
POWER
IN
POWER
NF
POWER
OUT
NF
BOOTSTRAP
GND
16
15
14
13
12
11
10
9
-
-
ALC
POWER
+
RPE
+
RIPPLE FILTER
1
2
3
4
5
6
7
8
PHASE
COMPENSATION
PRE IN ALC PRE
GND
OUT
DECOUPLE DECOUPLE V CC GND
Figure 1.
ABSOLUTE MAXIMUM RATINGS (Ta = 25C)
Characteristic
Symbol
Value
Unit
Supply Voltage
V CC
13
V
Power Dissipation
P D
1.5
W
Operating Temperature
T OPR
-20 ~ +70
C
Storage Temperature
T STG
-40 ~ +150
C
2
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1 CHIP TAPE RECORDER SYSTEM
KA22130
ELECTRICAL CHARACTERISTIC
(Ta = 25C, V CC = 6V, f = 1kHz, unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Unit
Quiescent Circuit Current
I CCQ
V CC = 6V, V I = 0
- 18 30 mA
V CC = 9V, V I = 0
- 23 40 mA
Pre Amplifier
Open Loop Voltage Gain
G VO Open loop
- 85 - dB
Closed Loop Voltage Gain
G VC Closed loop, Play
- 40 - dB
Output Voltage
V O THD = 1%, Play
0.9 1.2 - V
Input Resistance
R I
-
21 30 - kW
Equivalent Input Noise Voltage V NI Play
- 1.0 2.0 mV
ALC Input Level
V I(ALC) THD = 1%, Rec
-20 -12 - dBm
Power Amplifier
Closed Loop Voltage Gain
G VC R F = 51kW
43 45 47 dB
V CC = 6V, R L = 4W, THD = 10%
0.7 1.0 - W
Output Power
P 0
V CC = 7.5V, R L = 4W, THD = 10% 1.0 1.5 - W
V CC = 9V, R L = 4W, THD = 10%
1.7 2.2 - W
Total Harmonic Distortion
THD P O = 250mW
- 0.3 1.5 %
Input Resistance
R I
-
- 30 - kW
Output Noise Voltage
V NO R G = 10kW
- 0.6 1.8 mV
Ripple Rejection Ratio
RR R G = 0W, V R =150rnV, f = 100Hz
40 45 - dB
3
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KA22130
1 CHIP TAPE RECORDER SYSTEM
TEST CIRCUIT
3.9k W
1N60
4.7 mF
300k W
470 m F
10k W
680 W
4.7 mF
SW8
20Hz ~ 20kHz
1N60
BPF
C
SW4
56 W
SW6
SW7
B
SW5
4.7k W
0.033 mF
22 mF
10 mF
30k W 51 W
0.15 mF
(Polyester
film
capacitor)
RL
4 W
51k W
A
D
SW2
100 mF 100 mF
470 mF
Power out
16 15
14 13
12 11 10
9
SW1
SW3
ALC
EQ
AMP
10pF
RG
600 W
2.2k W
1
2
3
4
5
6
7
8
E
Vcc
4.7mF
SG
220 mF
470 mF 470 mF
Figure 2.
4
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1 CHIP TAPE RECORDER SYSTEM
KA22130
TEST METHOD
Characteristic SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8
Test
Point
Test Method
I CCQ
on on off on on off off E Test Circuit current
G VC 2 off off off on on off off A.D. G VC = 20 log V O /V I (dB)
P O 2 off off off on on off off D Test output voltage at THD = 10%
THD 2 off off off on on off off D Test THD at output voltage V O = 1V
V NO
on off off on on off off D Test output noise voltage
RR
n ff ff n n ff ff D
RR = 20 log V RO /150 (dB)
Test output ripple voltage (V RO )
G VO 1 off off on off on off off A.B A VO = 20 log V O /V I (dB)
V O 1 off off off on on off off B Test output voltage at THD = 1%
V NI off on off on on on off C Convert output noise voltage
5
at R G = 2.2kW, V NI = V NO /G V
V I(ALC) 1 off off off off off off on A.B Test input voltage at THD = 1%
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