Datasheet > ADT2500

ADT2500

更新时间： 2024-09-17 05:34:43

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ADT2500 数据手册

ADT2500

www.ad-tech.co.kr

General Description

The ADT2500 is a miniaturized receiver IC for use in the infrared remote control system.

It has a wide voltage operating such as 2.7~5.5V, a high sensitivity, and good noise immunity.

It has high noise immunity from external light source disturbance which are fluorescent lamp,

incandescent lamp etc.

It has the frequency selecting pads for setting the center frequency of band-pass filter and also

has 5 trimming Pads for the fined adjust of center frequency.

These ICs is capable of accepting a photodiode directly and include many excellent circuit

such as a high gain initial amplifier, a gain control amplifier, a limiter, a band pass filter,

a detection circuit, two comparator circuits, gain control circuits, integrator circuits,

a waveform shaping circuit assembled on a single chip.

Features

• Wide Operating Supply Voltage 2.7V ~ 5.5 V

• Internal voltage reference circuit for wide operating built-in.

• Maximum interference safety against external light sources.

• No external components necessary.

• The Center Frequency can be varied with option PADs

( 36.0kHz, 37.9kHz, 40.0kHz, 56.7kHz)

• Internal filter for a high frequency lighting fluorescent lamp.

• Built-in automatic bias control for sunlight.

• Output active low.

Absolute Maximum Ratings

Parameter

Supply Voltage

Symbol

Vcc

Min.

Max.

6.0

Unit

Output Voltage

Vout

Iout

6.0

Output Current

2.5

℃

Operating Temperature

Storage Temperature

Topr

Tst

-20

-40

125

℃

* Stress above those listed under Absolute Maximum Ratings may cause permanent damage of device.

This is stress rating only and functional operation of the device at these or any other conditions above those

indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating

conditions for longer periods may affect device reliability.

During overload conditions (VIN>Vcc or VIN<GND), those voltage on Vcc pins with respect to ground must

not exceed the values defined by the absolute maximum ratings.

* This specifications are subject to be changed without notice

Mar. 12. 2007 / Rev. 0.1

http://www.ad-tech.co.kr

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