HL3279, HL3280, HL3307 Selling Leads, Datasheet
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HL3279, HL3280, HL3307
- Table of contents:
Info of HL3279
Info of HL3280
Info of HL3307
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About HL3279
PDF/DataSheet Download
Datasheet: HL3279
File Size: 213595 KB
Manufacturer: ETC
Download : Click here to Download
About HL3279
PDF/DataSheet Download
Datasheet: HL3279
File Size: 213595 KB
Manufacturer: ETC
Download : Click here to Download
About HL3279
PDF/DataSheet Download
Datasheet: HL3279
File Size: 213595 KB
Manufacturer: ETC
Download : Click here to Download
HL3279 General Description
The HL3279 is a miniaturized receiver ICs for use in infrared remote control system receiving preamplifiers.Capable of accepting a photodiode directly,these ICs house 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.
The HL3279 has 7 features.The first one is wide operating supply voltage 2.7V to 5.5V.The second one is maximum interference safety againest optical and electrical disturbances.The third one is no external components necessary.The fourth one is the center frequency can be varied with option PADs(32.7kHz,36.7kHz,37.9kHz,40kHz,56.7kHz).The fifth one is internal filter for a high frequency lighting fluorescent lamp.The sixth one is open collector output (open collector output a pull-up resistance).The seventh one is output active low.
The HL3279 has some absolute maximum ratings.When parameter is supply voltage,the symbol is Vcc,the min is 0,the max is 6.0,the unit is V.When parameter is output voltage,the symbol is Vout,the min is 0,the max is 6,the unit is V.When parameter is output current,the symbol is Iout,the min is 0,the max is 2.5,the unit is mA.When parameter is operating temperature,the symbol is Topr,the min is -25,the max is 85,the unit is .When parameter is storage temperature,the symbol is Tst,the min is -40,the max is 125,the unit is .
HL3279 Maximum Ratings
HL3279 Features
HL3280 General Description
The HL3280 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. Wide operating is very suitable to the hand-held battery operating systems, such as electrical toy.
This can also be suitable for high optical and electrical disturbances.
It has the frequency selecting Pads for setting the center frequency of band-pass filter and also has 5 trimming Pads for the fine adjustment of center frequency.
The HL3280 is capable of accepting a photodiode directly and include many excellent circuit such as an internal voltage reference for wide voltage operating, 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.
HL3280 Maximum Ratings
| Item | Symbol | Min. | Max. | Unit |
| Supply Voltage | VCC | 0 | 6.0 | V |
| Input Voltage | Vout | 0 | 6.0 | V |
| Output Current | Iout | 0 | 2.5 | mA |
| Operating Temperature | Topr | -25 | 85 | |
| Storage Temperature Range | Tstg | -40 | 125 |
HL3280 Features
• Wide operating supply voltage 2.7V ~ 5.5 V
• Built-in internal voltage reference circuit for wide operating
• Maximum interference safety against optical and electrical disturbances
• No external components necessary
• The center frequency can be varied with option PADs
( 32.7kHz, 36.7kHz, 37.9kHz, 40kHz, 56.7kHz)
• Internal filter for a high frequency lighting fluorescent lamp
• Open collector output (Open collector output with a pull-up resistor)
• Output active low
• Built-in internal voltage reference circuit for wide operating
• Maximum interference safety against optical and electrical disturbances
• No external components necessary
• The center frequency can be varied with option PADs
( 32.7kHz, 36.7kHz, 37.9kHz, 40kHz, 56.7kHz)
• Internal filter for a high frequency lighting fluorescent lamp
• Open collector output (Open collector output with a pull-up resistor)
• Output active low
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