KA2181
REMOTE CONTROL PREAMPLIFIER
REMOTE CONTROL PREAMPLIFIER
The KA2181 is a silicon monolithic integrated circuit
designed for a remote control preamplifier of infrared
signals. This device has features of low power, high
sensitivity and wide supply voltage.
8-SIP
FUNCTIONS
鈥?/div>
AMP
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ABLC
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LIMITER & LEVEL SHIFT
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PEAK DET
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SHAPING
FEATURES
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Wide operation voltage
V
CC
=6 to 14.4V
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Low power consumption
I
CC
=2.5mA Typ.
ORDERING INFORMATION
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High input sensitivity
50碌V
P-P
Typ.
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Peak detector
Device Package Operating Temperature
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Small size package
8-SIP
KA2181
8-SIP
-20擄C ~+75擄C
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A minimum number of parts are required
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Designed for use with the KS5803 remote control transmitter IC.
BLOCK DIAGRAM
+
VCC
6 ~14.4V
+
Tuning Coil
Peak Hold Capacitor
3
BIAS
Input
Limiter &
Level shift
PIN-Photo
Diode
4
8
Power Supply
ABLC
6
By-pass Capacitor
5
Ground
Shaping
7
AMP
Peak DET
1
Output
2
Integral Capacitor
+
Fig. 1
KA2181相關型號PDF文件下載
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