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TMC2242A

Exar
Part Number TMC2242A
Manufacturer Exar
Description Digital Half-Band Interpolating/Decimating Filter
Published Mar 23, 2017
Detailed Description TMC2242A/TMC2242B Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz Features • TMC2242A an...
Datasheet PDF File TMC2242A PDF File

TMC2242A
TMC2242A

Overview
TMC2242A/TMC2242B Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz 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 and 16-bit output data port with user-selectable rounding from 9 to 16 bits • Two's complement or offset binary output format • Built-in limiter prevents overflow • Single +5 Volt power supply operation • Small 44-Lead PLCC and 44-Lead MQFP Applications • Low-cost video filtering • Chrominance bandwidth limiter • Simple, inexpensive video D/A post-filters • Reduced cost and complexity for A/D anti-aliasing filt...


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