U2538B Selling Leads, Price trend, U2538B DataSheet download, circuit diagram from SeekIC.com

Features: • Few External Components• Low Power Consumption• Microcomputer Compatible• Insensitive to Ambient Light and Other Continuous InterferencesApplication• Keyless Entry Systems• Remote Control• Wireless Data Transfer up to 4 kbit/sPinoutSpecificatio...

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SeekIC No. : 004534709 Detail

U2538B: Features: • Few External Components• Low Power Consumption• Microcomputer Compatible• Insensitive to Ambient Light and Other Continuous InterferencesApplication• Keyles...

U2538B Data Sheet

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Part Number:: U2538B
Supply Ability:: 5000

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Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/4/26

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Recent History
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Product Details

Description

Features:

• Few External Components
• Low Power Consumption
• Microcomputer Compatible
• Insensitive to Ambient Light and Other Continuous Interferences

Application

• Keyless Entry Systems
• Remote Control
• Wireless Data Transfer up to 4 kbit/s

Pinout

Connection Diagram

Specifications

Parameters	Symbol	Value	Unit
Supply voltage Pin 1	V_S	-0.3 to +6.0	V
Input voltages Pin 2, 3, and 5 Pin 7	V_IN	-0.3 to V_S	V
Input voltages Pin 2, 3, and 5 Pin 7	V_IN	-0.3 to +1.5	V
Input current Pin 7	I_IN	0 to 0.1	mA
Power dissipation T_amb = 105°C	P_tot	110	mW
Junction temperature	T_j	125	°C
Ambient temperature	T_amb	-40 to +105	°C
Storage temperature	T_stg	-40 to +125	°C

Description

The IC U2538B is a complete IR receiver for data communication. The useful input signals are separated by a special input circuit and amplified by a gain-controlled amplifier. The bandpass filter suppresses the off-band signals. The signal detector, consisting of a demodulator, an integrator and a Schmitt trigger, forms the input signal to an output pulse that can be interfaced to a microcomputer. The AGC and the ATC circuit control the receiver's sensitivity, making it insensitive to ambient light sources.

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U2538B

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