iC-WG
14-BIT DIFFERENTIAL SCANNING OPTO ENCODER
Rev B0, Page 7/11
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC= 4.5..20V, Tj= -20..125°C, unless otherwise noted
Item
Symbol
Parameter
Conditions
Tj
°C
Test Aid TIP, TIN
601 CR(TIP), Current Ratio
CR(TIN) I(TIP) / I(DPi,DMP,DR),
I(TIN) / I(DNi,DMN,DSR),
I(TIP) / I(DM1)
602 It()
603 V(TIP),
V(TIN)
Pull-Down Current at TIP, TIN;
Test Aid Turn-on Threshold
Voltage at TIP, TIN
test aid active,
I(TIP,TIN)= 2..200µA
400
1100
1600
Fig.
Min.
Typ.
Max.
Unit
V(TIP,TIN)= 0.5V
test aid active;
I(TIP)= 2..200µA and
I(TIN)= 100µA, or
I(TIP)= 100µA and
I(TIN)= 2..200µA
2
1.9
14
2.4
100
2.7
µA
V
LED Current Control and Reference Photodiode DSR
701 Aph
(DSR)
702 I(DSR)
703 I(LED)
704 Vs(LED
/LGND)
Radiant Sensitive Area
Permissible Photocurrent in DSR
Permissible Current in LED
Saturation Voltage
at LED vs. LGND
I(LED)= 80mA, I(RSR)> 10µA,
V(CSR)= VCC, V(LGND)= 0..1V
-20
27
85
125
1.0
5.3
340
-20
27
85
125
220
-20
27
85
125
708 CG()
Current Gain
I(LED) / I(RSR)
control loop open, LGND at GND,
V(LED)> 1.5V, V(CSR)= VCC
V(LGND)= 0..2V
15000
0.6
1.0
1.6
kΩ
370
350
345
340
450
430
420
415
540
0
0
0.84
0.76
0.67
0.60
1.22
10
1.5
13
660
0.15
×
0.665
200
80
1.2
mm²
nA
mA
V
V
V
V
V
V
705 V(RSR)
706 CR()
707 CR()
Voltage at RSR
Current Ratio
I(RSR) / I(CSR)
Current Ratio
I(RSR) / I(DSR)
R(RSR/RGND)= 10..150kΩ
R(RSR)= 10..150kΩ,
V(CSR)= 0V
closed LED Control,
I(DSR)= 20..200nA;
VCC= 5V
see above, VCC= 20V
709 R(LGND) Resistance at LGND
Control Monitor NERR
A01 Vs()lo
A02 Isc()lo
A03 I0()
Saturation Voltage lo
Short-Circuit Current lo
Collector Off-State Current
LGND at GND, I(NERR)= 3.2mA
V(NERR)= VCC
NERR= off, V(NERR)= 25V
0.27
15
0.4
27
10
V
mA
µA
ICHAUS [ IC-HAUS GMBH ]
