IC-LTA_16 Datasheet, PDF (9/15 Pages) IC-Haus GmbH – 6-CH. INCREMENTAL OPTO ENCODER ARRAY

iC-LTA
preliminary
6-CH. INCREMENTAL OPTO ENCODER ARRAY
Rev C1, Page 9/15
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 3.5...5.5 V, Tj = -40...125 °C, λ_LED = λr = 740 nm, unless otherwise noted
Item Symbol Parameter
No.
Conditions
602 AArel
Relative Angular Accuracy
AC signal >200 mVpp,
comparated or interpolated, see Figure 1
603 Vs()lo
Saturation Voltage lo
VCC = 4.5...5.5 V, I() = 4mA, Tj = 70 °C
VCC = 4.5...5.5 V, I() = 4mA, Tj = 85 °C
VCC = 3.5...4.5 V, I() = 4mA
604 Isc()lo
Short-Circuit Current lo
V() = VCC
605 Vs()hi
Saturation Voltage hi
Vs()hi = VCC - V(), I() = -4 mA;
VCC = 4.5...5.5 V
VCC = 3.5...4.5 V
606 Isc()hi
Short-Circuit Current hi
V() = 0 V
Operating Mode Selection Input: SEL
701 Vmod()
Mode Selection
(see Figure 2)
x2 interpolated
analog ABZ, digital UVW
all analog
x4 interpolated
x1 comparated (native resolution)
702 Vmod()hys Hysteresis
703 V0()
Pin-Open Voltage
704 Rpd()
Pull-Down Resistor
SEL to GND, V(SEL) = VCC
705 Rpu()
Pull-Up Resistor
VCC to SEL, V(SEL) = 0 V
Index Gating Selection Input: T1
801 Vgate()
Gating Selection
(see Figure 3)
ungated (1 T with interpolation)
AB-gated (0.25 T)
B-gated (0.5 T)
802 Vgate()hys Hysteresis
803 V0()
Pin-Open Voltage
for index length 0.25 T (AB-gated)
804 Rpu()
Pull-Up Resistor
VCC to T1, V(T1) = 0 V
805 Rpd()
Pull-Down Resistor
T1 to GND, V(T1) = VCC
Power-On-Reset Circuit
901 VCCon
Turn-on Threshold VCC
(power-on release)
increasing voltage at VCC
902 VCCoff
Turn-off Threshold VCC
(power-down reset)
decreasing voltage at VCC
903 VCChys Threshold Hysteresis
VCChys = VCCon - VCCoff
Test Inputs: TIP, TIN
Z01 Ipd()
Pull-Down Current
test mode not active; V() = 0.4 V
V() = VCC
Z02 It()on
Test Mode Activation Threshold
Z03 V()test Test Pin Operating Voltage
test mode active, I() = 200 µA
Z04 I()test
Permissible Test Current
test mode active
Z05 CR()
Current Ratio I()test/Iph()
test mode active, I() = 200 µA
Min.
-10
7
-70
95
70
45
20
0
45
65
65
82
32
0
45
65
65
1.4
50
60
700
80
1.25
10
Typ.
10
50
10
50
2.6
2.4
170
100
2000
130
1.5
1000
Unit
Max.
10
%
0.4
V
0.5
V
0.6
V
70
mA
0.4
V
0.6
V
-7
mA
100 %VCC
80 %VCC
55 %VCC
30 %VCC
5 %VCC
%VCC
55 %VCC
kΩ
kΩ
100 %VCC
68 %VCC
18 %VCC
%VCC
55 %VCC
kΩ
kΩ
3.45
V
V
300 mV
160 µA
3000 µA
190 µA
1.75
V
600 µA
ELECTRICAL CHARACTERISTICS: Diagrams
0%
50%
100%
± AArel
Figure 1: Definition of relative angular accuracy AArel