OM4031T - Digital post-detection filter for FSK data receivers

NXP

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Datasheet Details

Part number	OM4031T
Manufacturer	NXP
File Size	68.32 KB
Description	Digital post-detection filter for FSK data receivers
Datasheet	OM4031T_PhilipsSemiconductors.pdf

OM4031T Product details

Description

OM4031T The OM4031T is intended for performance enhancement of FSK data receivers that do not have a built-in post-detection filter.It contains a digital moving average filter to remove noise from the demodulated data.When operated from a 38.4 kHz external clock it can handle data rates of 600, 1200 and 2400 bits/s at an oversampling rate of 16. The filter bandwidth can be doubled to ease the search for bit synchronization on the output data.To allow for jitter in the input data, a 12-bit s

Features

External clock frequency 30 to 80 kHz (typ. 38.4 kHz).
Supported data rates 600, 1200, 2400 and 4800 bits/s (typ. ).
Double bandwidth option (not for 4800 bits/s).
Schmitt-triggered inputs for optimum slope tolerance.
Enable input for power-down mode.
Open-drain output (3-state in power-down mode).
No external components required.
Single supply voltage from 1.8 to 6.0 V.
Very low operating current (1.5 µA typ. ).

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Published: May 13, 2005 |