ka2181 Samsung Semiconductor, Inc., ka2181 Datasheet

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ka2181

Manufacturer Part Number
ka2181
Description
Remote Control Preamplifier
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.KA2181.pdf (3 pages)

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Part Number
Manufacturer
Quantity
Price
Company:
H&T Electronics H&T Electronics
Part Number:
KA2181
Quantity:
35
KA2181
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.
FUNCTIONS
FEATURES
BLOCK DIAGRAM
Wide operation voltage
High input sensitivity
AMP ABLC LIMITER & LEVEL SHIFT
PEAK DET SHAPING
Low power consumption
Peak detector
Small size package
A minimum number of parts are required
Designed for use with the KS5803 remote control transmitter IC.
PIN-Photo
Diode
Input
+
7
By-pass Capacitor
AMP
Tuning Coil
ABLC
+
50 V
8-SIP
V
I
CC
CC
3
=2.5mA Typ.
6
=6 to 14.4V
P-P
Peak Hold Capacitor
Typ.
BIAS
Fig. 1
REMOTE CONTROL PREAMPLIFIER
5
4
KA2181
Device
+
Ground
ORDERING INFORMATION
Package
2
8-SIP
8
Integral Capacitor
Power Supply
1
8-SIP
Operating Temperature
-20 C ~+75 C
VCC
6 ~14.4V
Output

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ka2181 Summary of contents

Page 1

... KA2181 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. FUNCTIONS AMP ABLC LIMITER & LEVEL SHIFT PEAK DET SHAPING FEATURES ...

Page 2

... KA2181 ABSOLUTE MAXIMUM RATINGS (T Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature RECOMMENDED OPERATING CONDITIONS Characteristic Power Supply Input Frequency ELECTERICAL CHARACTERISTICS (T = =8.5V, f =40KHz Characteristic Symbol Supply Current I Input Terminal Voltage V Input Terminal Voltage V 1st Stage Voltage Gain ...

Page 3

... AMP PIN-Photo Diode ABLC TEST CIRCUITS 4 REMOTE CONTROL PREAMPLIFIER + 150K BIAS Fig. 2 KA2181 OUT Fig. 3 VCC + 47 F 100K 1 Out 0.033 5mH 3300pF 100K 1 OUT 100K ...

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