PRODUCT SPECIFICATION
TMC2242A/TMC2242B
Table 6. TMC2242B Steady-State Output Values and Limiter Triggers (L) versus Input Data
Interpolation Modes
INT
= 0 and
DEC
= 0
Input
7FF
400
001
000
FFF
C00
801
TCO = 0
0000 (L)
3FEF / 3FDF
7FEF
7FFF
800F
C00F / C01F
FFFF
TCO = 1
7FFF (L)
4010 / 4020
0010
0000
FFF0
BFF0 / BFE0
8000 (L)
INT
= 0 and
DEC
= 1
TCO = 0
4000 (L)
5FF7 / 5FEF
7FF7
7FFF
8007
A007 / A00F
BFFF
TCO = 1
3FFF (L)
2008 / 2010
0008
0000
FFF8
DFF8 / DFF0
C000 (L)
Interpretation
+ full-scale
+1/2 scale
+1 LSB
Zero
-1 LSB
-1/2 scale
- full-scale
Decimation and Equal-Rate Modes
INT
= 1
Input
7FF
400
001
000
FFF
C00
801
TCO = 0
0000 (L)
3FE7
7FEF
7FFF
800F
C017
FFFF (L)
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
Atten (dB)
-40
-50
-60
65-2242A-03
-70
-80
-90
0.00
0.10
0.20
0.30
Normalized Frequency
0.40
0.50
Figure 1. Frequency Response
8
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