IC-TW8_16 Datasheet, PDF (11/67 Pages) IC-Haus GmbH – 16-BIT SIN/COS INTERPOLATOR

iC-TW8 16-BIT SIN/COS INTERPOLATOR
WITH AUTO-CALIBRATION
Rev C2, Page 11/67
ELECTRICAL CHARACTERISTICS
Operating conditions: AVDD = DVDD = 3.1...5.5 V, Tj = -40...+125 °C, reference point AVSS unless otherwise stated
Item Symbol Parameter
No.
Conditions
Min. Typ.
Bias Outputs: VC, VREF
901 VC
Bias Voltage at VC
I(VC) = 0
50
902 dVREF Bias Voltage at VREF versus VC dVREF = V(VREF) - V(VC); I(VREF) = 0
-1
Configuration Inputs: C0, C1, C2, C3
A01 Ilk()
Input Leakage Current
Unit
Max.
%VDD
V
±1
µA
5V
4V
3V
VIN
2V
1V
Vcm 3.15V
VDD= 4.5 V
3.5 V
350 mVpeak max.
Vcm 1.75V
1.4 V
350 mVpeak max.
VDD= 3.1 V
2.1 V
Vcm 1.75V
1.4 V
Figure 1: Permissible input voltage range (@5 V -10%, and @3.3 V -5%)
tAB
B
tMTD
converter
error
actual
converter
INL: The maximum absolute error.
DNL: the maximum step
between two consecutive
samples.
A
twhi
AArel
AArel
T
Figure 2: Description of AB output signals.
ideal converter
0
180
360
angular position
Figure 3: Definition of integral and differential nonlin-
earity.