IC-LNG_14 Datasheet, PDF (13/30 Pages) IC-Haus GmbH – 16-BIT OPTO ENCODER

iC-LNG 16-BIT OPTO ENCODER ^preliminary
WITH SPI AND SERIAL / PARALLEL OUTPUTS
Rev B1, Page 13/30
ELECTRICAL CHARACTERISTICS
Operating conditions: VDDA = 4 V to 5.5 V, VDD = 3 V to 5.5 V, GNDA = GND, Tj = -40°C to 125°C, unless otherwise specified.
Item Symbol Parameter
No.
Conditions
Unit
Min. Typ. Max.
Power-On-Reset POK
C01 VDDAon Turn-on Threshold VDDA,
Power-On-Reset
VDDA increasing,
POK: lo → hi
3.6 3.8 4.0
V
C02 VDDAoff Turn-off Threshold VDDA,
Power-Down-Reset
VDDA decreasing,
POK: hi → lo
3.3 3.5 3.7
V
C03 VDDAhys Hysteresis VDDA
VDDAhys = VDDAon - VDDAoff
0.2 0.3
V
t_AB
t_whi
AArel
T
AArel
Figure 1: Definition of the relative angle accuracy
OPERATING REQUIREMENTS: SPI Interface
Operating conditions: VDDA = 4 V to 5.5 V, VDD = 3 V to 5.5 V, GNDA = GND, Tj = -40°C to 125°C, unless otherwise specified.
Item Symbol Parameter
No.
Conditions
Min.
Unit
Max.
I001 T_SCK
I002 t_CS
Permissible Clock Period
Setup Time:
CS hi before SCK lo → hi
1/fin(SCK)
50
ns
I003 t_CO
Propagation Delay:
MISO hi after CS hi → lo
(Elec. Char. No. 909)
I004 t_IS
Setup Time:
MOSI stable before SCK lo → hi
50
ns
I005 t_SI
Hold Time:
MOSI stable after SCK lo → hi
50
ns
I006 t_SO
Propagation Delay:
MOSI stable after Clock Edge SCK
(Elec. Char. No. 910)
I007 t_CC
Hold Time:
Between CS hi → lo and CS lo → hi
500
ns
CS
SCK
MOSI
MISO
t_CS
t_IS
t_SI
T_SCK
tp2
Figure 2: SPI interface timing
t_CC
tp1