Infrared Receiver
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TL1838 Infrared Receiver Datasheet
1. Features ...
Description
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TL1838 Infrared Receiver Datasheet
1. Features * Compact design; * Builtin dedicated IC; * wideangle and long distance reception; * antistem worries ability; * can more than offset the impact of ambient light; * Low voltage operation;
2. Dimensions and Pin Assignment
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3. Application Circuit
4. Schematic Diagram
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5. Optical Parameters (T = 25 ℃ Vcc = 5v f0 = 38KHZ)
Parameter Operating Voltage Receiving distance Carrier Frequency Acceptance angle BMP width Quiescent Current Low output Highlevel output The output pulse width
Symbol Vcc L f0 01/2 FBW Icc VOL VOH TPWL TPWH
Test Conditions L5IR = 300MA (test signal) Distance attenuation 1/2 3Db andwidth When there is no signal input Vin = 0V Vcc = 5V Vcc = 5V Vin = 500μVpp ※ Vin = 50mVpp ※
Min 2.7 10 38K 2 4.5 500 500
Typ 15 + / 35 3.3 0.8 0.2 600 600
Mnx 5.5 5 1.5 0.4 700 700
Unit V M HZ Deg kHz mA V V μs μs
※ testing on the optical axis to the transmit pulse width 600/900μs, 5CM within receiving range, the average value of the received pulse 50
6. Test Wave
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7. Limit Parameters
Project Supply Voltage Operating Temperature Storage Temperature Soldering Temperature Symbol Vcc Topr Tstg T...
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