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PDF AIC1863CS Data sheet ( Hoja de datos )
| Número de pieza | AIC1863CS | |
| Descripción | IR Preamplifier for Remote Control System | |
| Fabricantes | Analog Intergrations Corporation | |
| Logotipo |  |
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AIC1863
IR Preamplifier for Remote Control System
n FEATURES
l Only Two External Components Required Other
than the Photodiode.
l Easy to Integrate into Module due to Small Chip
Size.
l Minimized Chances of Malfunction Due to Am-
bient Light.
l Low Power Consumption.
l Center Frequency of Band Pass Filter Adjusta-
ble by an External Resistor.
l Microcomputer Compatible.
n APPLICATIONS
l IR Remote Control Receivers for Consumer
Electronic Products, such as TVs, VCRs,
VCD/DVD Players, Audio Devices, Air Condi-
tioners, Electric Fans...etc.
n DESCRIPTION
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.
n TYPICAL APPLICATION CIRCUIT
C1
0.1µF
VOUT
1 CA
2 NC
3 OUT
4 DGND
VCC 8
FO 7
AGND 6
IN 5
AIC1863
Vcc (+5V)
R1
110K(fo =38KHz)
Photo
Diode
IR Remote Control Receiver
n ORDERING INFORMATION
Analog Integrations Corporation
www.analog.com.tw
DS-1863-00
TEL: 886-3-5772500
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
FAX: 886-3-5772510
1
1 page  
AIC1863
n PIN DESCRIPTIONS
PIN 1: CA - LCC capacitor connection pin.
PIN 2: NC - No Connection.
PIN 3: OUT - Output pin.
PIN 4: DGND - Digital ground.
PIN 5: IN
- Input pin (photodiode connection pin).
PIN 6: AGND - Analog ground.
PIN 7: FO
- Band pass filter center frequency set-
ting pin.
PIN 8: VCC - Power supply pin.
n TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current vs. Supply Voltage
0.8
0.75
Ta=25°C
0.7
0.65
0.6
0.55
0.5
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
Supply Voltage (V)
0.75
0.70
0.65
0.60
0.55
0.50
-20
Supply Current vs. Temperature
Vcc= 5V
0 20 40
Temperature (°C)
60
80
Voltage Gain vs. Input Signal Frequency
80 Ta=25°C
VCC=5V
70
60
50
40
10
20 30 40 5 0
100
Input Signal Frequency (KHz)
Center Frequency vs. Externally Attached
Resistance to Pin 7
70
60
Ta=25°C
VCC=5V
50
40
30
20
60 70 80 90 100 110 120 130 140 150 160
Externally Attached Resistance to Pin 7 (KΩ)
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AIC1863CS.PDF ] | |
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