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PDF UCC5340 Data sheet ( Hoja de datos )

Número de pieza UCC5340
Descripción IrDA Receiver
Fabricantes Unitrode 
Logotipo Unitrode Logotipo



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IrDA Receiver
FEATURES
Micro Power, 90 A Typical
Operating Current
3.3V or 5V Operation
8-Pin SOIC Package
1 cm to 1 Meter IrDA Link
Compliance
Directly Interfaces to IrDA
Compatible UARTS and Super I/O
Chips
Supports Data Rates from 2400 to
115.2KBits/Second
CMOS/TTL Compatible Output
ASK Modulation Compatible
Drop in compatible with Irvine
Sensor SIR2
BLOCK DIAGRAM
UCC5340
PRELIMINARY
DESCRIPTION
The UCC5340 is a dual voltage, micropower, IrDA (Infrared Data Associa-
tion) compliant receiver. It’s high gain photodiode input amplifier incorpo-
rates a unique limiting circuit which permits operation over a very wide
dynamic input range. The integrated bandpass filter includes additional
limiting circuitry, further reducing device recovery time requirements, al-
lowing the UCC5340 to directly interface with IrDA compatible detector di-
odes.
The output is capable of driving a 40pF load at CMOS/TTL levels for direct
interfacing to IrDA compliant UARTs or Super I/O devices over a 2400BPS
to 115.2kBPS range.
A control pin is provided to allow operation with either 3.3V or 5V supplies.
The circuit requires only 90 A (nominal) operating current in either config-
uration. An internal 2k resistor is provided for decoupling the detector
supply, to minimize the number of external components required.
* Pins 3 and 6 MUST be connected to ground.
11/95
UDG-95126

1 page




UCC5340 pdf
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