IC-MQF_15 Datasheet, PDF (11/38 Pages) IC-Haus GmbH – Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

iC-MQF PROGRAMMABLE 12-BIT ^preliminary
Sin/Cos INTERPOLATION IC WITH RS422 DRIVER
Rev C1, Page 11/38
tAB
B
tMTD
A
twhi
AArel
AArel
Figure 1: Definition of rela_Ttive angle error and minimum phase distance.
100
MTD=0x1 (50 ns)
MTD=0x2 (75 ns)
MTD=0x3 (100 ns)
10
MTD=0x4 (120 ns)
MTD=0x5 (150 ns)
MTD=0x6 (175 ns)
MTD=0x7 (200 ns)
MTD=0x8 (300 ns)
MTD=0x9 (400 ns)
MTD=0xA (600 ns)
MTD=0xB (800 ns)
MTD=0xC (1.0 µs)
MTD=0xD (1.2 µs)
1
MTD=0xE (1.4 µs)
MTD=0xF (1.6 µs)
0,1
1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000
Interpolation Factor IPF
Figure 2: Maximum input frequency depending on interpolation factor.