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TMC2242A - Digital Half-Band Interpolating/Decimating Filter

Fairchild Semiconductor

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Datasheet Details

Part number	TMC2242A
Manufacturer	Fairchild Semiconductor
File Size	86.13 KB
Description	Digital Half-Band Interpolating/Decimating Filter
Datasheet	TMC2242A_FairchildSemiconductor.pdf

TMC2242A Product details

Description

The TMC2242A and TMC2242B are ﬁxed-coefﬁcient linear-phase half-band (low-pass) digital ﬁlters.

Features

TMC2242A and TMC2242B are pin-compatible with TMC2242.
User selectable interpolate gain, -6 dB or 0 dB (2242B).
30, 40 and 60 MHz speed grades.
User selectable 2:1 decimation, 1:2 interpolation, and equal-rate ﬁlter modes.
Passband ripple < ±0.01 dB.
Stopband rejection 59.4 dB from 0.28 to 0.50 x fs.
Cascading two TMC2242A or TMC2242B meets CCIR 601 low-pass ﬁlter requirement.
Dedicated 12-bit 2's complement input data port.

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Published: Apr 16, 2005 |