Datasheet Summary
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TMC2242A/TMC2242B
Digital Half-Band Interpolating/Decimating Filter
12-bit In/16-bit Out, 60 MHz
Features
- TMC2242A and TMC2242B are pin-patible 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 plement input data port and
16-bit output data port with user-selectable rounding from 9 to 16 bits
- Two's plement or offset binary output format
-...
