TMC2242A Fairchild Semiconductor, TMC2242A Datasheet - Page 8

• Manufacturer Part Number: TMC2242A
• Description: Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out/ 60 MHz
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
Table 6. TMC2242B Steady-State Output Values and Limiter Triggers (L) versus Input Data
Interpolation Modes
Decimation and Equal-Rate Modes
Performance Curves
8
Input
7FF
FFF
C00
400
001
000
801
Input
7FF
FFF
C00
400
001
000
801
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.00
3FEF / 3FDF
C00F / C01F
TCO = 0
0000 (L)
7FEF
7FFF
FFFF
800F
INT = 0 and DEC = 0
0.10
FFFF (L)
TCO = 0
0000 (L)
3FE7
7FEF
7FFF
C017
800F
BFF0 / BFE0
4010 / 4020
Figure 1. Frequency Response
7FFF (L)
TCO = 1
8000 (L)
FFF0
0010
0000
0.20
Normalized Frequency
INT = 1
5FF7 / 5FEF
A007 / A00F
TCO = 0
4000 (L)
BFFF
7FFF
7FF7
8007
INT = 0 and DEC = 1
0.30
8000 (L)
7FFF (L)
TCO = 1
BFE8
FFF0
4018
0010
0000
DFF8 / DFF0
2008 / 2010
0.40
3FFF (L)
C000 (L)
TCO = 1
FFF8
0008
0000
Interpretation
TMC2242A/TMC2242B
+ full-scale
+1/2 scale
- full-scale
-1/2 scale
0.50
+1 LSB
-1 LSB
Interpretation
Zero
+ full-scale
+1/2 scale
- full-scale
-1/2 scale
+1 LSB
-1 LSB
Zero