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參數(shù)資料
| 型號(hào)： | AIC1863CD |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | IR Preamplifier for Remote Control System |
| 中文描述： | 紅外前置放大器遠(yuǎn)程控制系統(tǒng) |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 112K |
| 代理商： | AIC1863CD |
AIC1863
IR Preamplifier for Remote Control System
Analog Integrations Corporation
www.analog.com.tw
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
DS-1863-00
TEL: 886-3-5772500
FAX: 886-3-5772510
1
n
F E ATUR E S
l
Only Two External Components Required Other
than the Photodiode.
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Easy to Integrate into Module due to Small Chip
Size.
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Minimized Chances of Malfunction Due to Am-
bient Light.
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Low Power Consumption.
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Center Frequency of Band Pass Filter Adjusta-
ble by an External Resistor.
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Microcomputer Compatible.
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APPLICATIONS
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IR Remote Control Receivers for Consumer
Electronic Products, such as TVs, VCRs,
VCD/DVD Players, Audio Devices, Air Condi-
tioners, Electric Fans...etc.
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T YPICAL APPLICAT ION CIR CUIT
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DE SCR IPTION
The AIC1863 is a high performance infrared re-
mote control preamplifier. Especially, it has ex-
cellent interference suppression capability. The
infrared pulses arriving at the photodiode are
treated by the trans-impedance amplifier and
amplified by the auto-gain control amplifier, limit-
ter amplifier, and band-pass filter. The following
evaluation circuits, including the comparator, in-
tegrator, and schmitt-trigger, demodulate the
transmitted digital signal. Reduction of sensitivity
due to external interference is achieved by the
short-time boost and long-time control circuits,
which prevent interference voltages from affecting
the output.
Photo
Diode
C1
0.1
μ
F
Vcc (+5V)
V
OUT
110K(fo =38KHz)
R1
IN
AIC1863
AGND
FO
DGND
OUT
NC
CA
8
7
6
5
4
3
2
1
VCC
IR Remote Control Receiver
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OR DE R ING INFOR MATION
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