TMC2242AKTC2 Просмотр технического описания (PDF) - Cadeka Microcircuits LLC.

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TMC2242AKTC2

Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz

Cadeka Microcircuits LLC. 

PRODUCT SPECIFICATION

TMC2242A/TMC2242B

Table 6. TMC2242B Steady-State Output Values and Limiter Triggers (L) versus Input Data

Interpolation Modes

Input

7FF

400

001

000

FFF

C00

801

INT = 0 and DEC = 0

TCO = 0

TCO = 1

0000 (L)

7FFF (L)

3FEF / 3FDF

4010 / 4020

7FEF

0010

7FFF

0000

800F

FFF0

C00F / C01F

BFF0 / BFE0

FFFF

8000 (L)

INT = 0 and DEC = 1

TCO = 0

TCO = 1

4000 (L)

3FFF (L)

5FF7 / 5FEF

2008 / 2010

7FF7

0008

7FFF

0000

8007

FFF8

A007 / A00F

DFF8 / DFF0

BFFF

C000 (L)

Interpretation

+ full-scale

+1/2 scale

+1 LSB

Zero

-1 LSB

-1/2 scale

- full-scale

Decimation and Equal-Rate Modes

Input

7FF

400

001

000

FFF

C00

801

TCO = 0

0000 (L)

3FE7

7FEF

7FFF

800F

C017

FFFF (L)

INT = 1

TCO = 1

7FFF (L)

4018

0010

0000

FFF0

BFE8

8000 (L)

Interpretation

+ full-scale

+1/2 scale

+1 LSB

Zero

-1 LSB

-1/2 scale

- full-scale

Performance Curves

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

0.00

0.10

0.20

0.30

0.40

0.50

Normalized Frequency

Figure 1. Frequency Response

8

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