IC-LNB_13 Datasheet, PDF (11/35 Pages) IC-Haus GmbH – 18-BIT OPTO ENCODER WITH SPI AND SER/PAR INTERFACES

iC-LNB 18-BIT OPTO ENCODER ^preliminary
WITH SPI AND SER/PAR INTERFACES
Rev A1, Page 11/35
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
Min. Typ. Max.
Incremental Outputs INCA, INCB, INCZ
901 Vs()hi
Saturation Voltage hi
Vs()hi = VDD - V();
400
VDD = 3 . . . 4 V, I() = 1.5 mA
VDD = 4 . . . 5.5 V, I() = 2.5 mA
902 Isc()hi
Short-Circuit Current hi
-100
-1.5
903 Vs()lo
Saturation Voltage lo
VDD = 3 . . . 4 V, l() = 1.5 mA
400
VDD = 4 . . . 5.5 V, l() = 2.5 mA
904 Isc()lo
Short-Circuit Current lo
1.5
100
905 tr()
Rise Time
CL = 30 pF, V(): 10% → 90% VDD
30
906 tf()
Fall Time
CL = 30 pF, V(): 90% → 10% VDD
30
SPI Interface SCK, CS, MISO, MOSI
A01 Vs()hi
Saturation Voltage hi at MISO Vs()hi = VDD - V();
400
VDD = 3 . . . 4 V, I() = 1.5 mA
VDD = 4 . . . 5.5 V, I() = 2.5 mA
A02 Isc()hi
A03 Vs()lo
Short-Circuit Current hi at MISO
Saturation Voltage lo at MISO
VDD = 3 . . . 4 V, l() = 1.5 mA
VDD = 4 . . . 5.5 V, l() = 2.5 mA
-100
-1.5
400
A04 Isc()lo
Short-Circuit Current lo at MISO
1.5
100
A05 fin()
Permissible Clock Frequency at
10
SCK
A06 Vt()hi
Threshold Voltage hi at SCK, CS,
2
MOSI
A07 Vt()lo
Threshold Voltage lo at SCK, CS,
0.8
MOSI
A08 Vt()hys Hysteresis at SCK, CS, MOSI Vt()hys = Vt()hi - Vt()lo
40 100
A09 Ipu()
A10 Vpu()
Pull-Up Current at SCK, MOSI
Pull-Up Voltage at SCK, MOSI
V() = 0 . . . VDD - 1 V;
VDD = 3 . . . 4 V
VDD = 4 . . . 5.5 V
Vpu() = VDD - V();
VDD = 3 . . . 4 V, I() = -3 µA
VDD = 4 . . . 5.5 V, I() = -5 µA
-65 -25
-5
-120 -60 -10
400
A11 Ipd()
Pull-Down Current at CS
V() = 1 V . . . VDD;
VDD = 3 . . . 4 V
VDD = 4 . . . 5.5 V
5
25
80
8
60 150
A12 Vpd()
Pull-Down Voltage at CS
VDD = 3 . . . 4 V, I() = 3 µA
400
VDD = 4 . . . 5.5 V, I() = 5 µA
A13 tp1()
Propagation Delay: MISO hi
see Figure 2
30
after Falling Edge CS
A14 tp2()
Propagation Delay: MISO Stable see Figure 2
30
after Clock Edge SCK
Unit
mV
mA
mV
mA
ns
ns
mV
mA
mV
mA
MHz
V
V
mV
µA
µA
mV
µA
µA
mV
ns
ns