iC-WT
INCREMENTAL ENCODER
Rev A0, Page 4/13
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC= 5V
±10%,
Tj= -25..125°C, unless otherwise noted
Item
Symbol
Parameter
Conditions
Tj
°C
Total Device
001 VCC
002 I(VCC)
Permissible Supply Voltage
Supply Current in VCC,
Outputs A, B, Z hi
closed LED control:
R(ILR/AGND)= 15kΩ,
I(LED)≈ 3mA, NERR= hi;
I(A,B,Z)= 0, R(RZ/AGND)= 15kΩ,
I(DZ,DPx)= -400nA,
I(DNx)= -40..0nA, (x= A,B)
closed LED control:
R(ILR/AGND)= 15kΩ,
I(LED)≈ 3mA, NERR= hi;
I(A,B,Z)= 0, R(RZ/AGND)= 15kΩ,
I(DZ,DPx)= -40..0nA
I(DNx)= -400nA
sinusoidal waveform,
I(DPx)= -20..-400nA,
I(DNx)= -400..-20nA
rectangular waveform,
I(DZ)= -20..-400nA,
threshold 200nA
27
5.5
4.5
5.5
10
V
mA
Fig.
Min.
Typ.
Max.
Unit
003 I(VCC)
Supply Current in VCC,
Outputs A, B, Z lo
12
mA
mA
004 fo
Cut-off Frequency
for Tracks A and B
Cut-off Frequency
for Index Track Z
Propagation Delay Deviation
track vs.track at A, B, Z
500
kHz
005 fo
250
kHz
006
∆tp()
100
ns
Differential Photocurrent Amplifier, Track A and B
101 I(DPx)
I(DNx)
Permissible Sensor Current at
DPA, DNA, DPB, DNB
-600
0.85
1
0
1.15
nA
102 CM(P/N) Common Mode DPA vs. DNA,
DPB vs. DNB
Comparator, Track A and B
201 Hys
Hysteresis refered to [I(DPx) +
I(DNx)] / 2
I(DPx,DNx)= -400..0nA
15
20
25
%
Photocurrent Amplifier, Index Track Z
401 I(DZ)
Permissible Sensor Current at DZ
-600
0
nA
Comparator, Index Track Z
801 Hys
Hysteresis refered to I(DZ)
I(DZ)= -400..0nA
7
10
13
%
Push-Pull Outputs A, B, Z
301 Vs()hi
Saturation Voltage hi
Vs()hi= VB-V();
I()= -400µA
-25
27
70
125
-25
27
70
125
0.9
0.8
0.75
0.7
1.2
1.1
1.05
1.05
1.1
1.0
0.9
0.9
1.5
1.4
1.3
1.3
0.4
0.5
-8
27
-3.5
-1.7
V
V
V
V
V
V
V
V
V
V
mA
mA
302 Vs()hi
Saturation Voltage hi
Vs()hi= VB-V();
I()= -1.6mA
303 Vs()lo
304 Vs()lo
305 Isc()hi
Saturation Voltage lo
Saturation Voltage lo
Short-Circuit Current hi
I()= 0.8mA
I()= 1.6mA
V()= 0V..2.8V
ICHAUS [ IC-HAUS GMBH ]
