IC-TW4 Datasheet, PDF (6/14 Pages) IC-Haus GmbH – PROGRAMMABLE INTERPOLATOR WITH AUTOMATIC OFFSET CORRECTION

iC-TW4 PROGRAMMABLE INTERPOLATOR
WITH AUTOMATIC OFFSET CORRECTION
Rev D1, Page 6/14
ELECTRICAL CHARACTERISTICS
Operating conditions: VDD = 3.0...5.5 V, Ta = -40...125 °C, reference point GND unless otherwise stated
Item Symbol Parameter
No.
Conditions
Min.
Signal Processing
E01 AAabsOff Absolute Angular Accuracy
referred to 360° input period;
-45
with offset error
Vin = 1.2 Vpp diff;
IPF = x64;
initial error with offset at maximum
E02 AAabs Absolute Angular Accuracy
referred to 360° input period;
-7
following offset compensation Vin = 1.2 Vpp diff;
IPF = x64;
fin() = 35 Hz . . . 700 Hz (constant);
offset correction completed after > 160
input signal periods
E03 AArel
Relative Angular Accuracy
see condition E02, but:
IPF = x64
-30
IPF = x2 to x32
-20
E04 ABrel
Relative Angular Accuracy
A vs. B
Power-On-Reset And Configuration
F01 VDDon
Turn-on Threshold VDD
(power on release)
F02 tp()on
Startup Delay
Typ. Max.
45
7
30
20
1/2
AArel
1.8
35
Unit
DEG
DEG
%
%
%
V
ms
tAB
tMTD
B
twhi
A
twhi
AArel
T
AArel
Figure 1: Relative phase distance