iC-OG
8-BIT DIFFERENTIAL SCANNING OPTO ENCODER
Rev C1, Page 6/9
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC= 5V ±10%, Tj= -40..125 °C, unless otherwise noted.
Item
Symbol
Parameter
Conditions
Tj
EC
Analog Outputs NI0..2
501
502
503
CR()
I0()
fo()
Current Ratio
I(NIi) / (I(DPi)-I(DNi))
Leakage Current
Cut-off Frequency
V(NIi)= 0.3V..VCC-1.2V,
I(DPi)= 3..90nA, I(DNi)= 90..3nA
V(NI)= 0.3V..VCC-1.2V,
I(DPi,DNi)= 0
V(NIi)= constant,
sinussoidal waveform,
I(DPi)= 3..30nA,
I(DNi)= 30..3nA
V(NIi)= constant,
sinussoidal waveform,
I(DPi)= 6..60nA,
I(DNi)= 60..6nA
R(VCC/NIi)= 50kΩ,
R(NIi/GND)= 50kΩ,
CL()= 30pF
Vc()hi= V()-VCC; I()= 3mA
I()= -3mA
Test aid active,
I()= 2..200µA
V()= 0.4V
-40
27
85
125
Test aid active,
I(TIP)= 2..200µA and
I(TIN)= 100µA, or
I(TIP)= 100µA and
I(TIN)= 2..200µA
ISUM= I(DP0) +I(DN0)
+I(DP1) +I(DN1)
-40
27
85
125
1.9
1.6
1.2
1.1
0
550
27
-1.5
100
720
1.5
µA
kHz
1250
Fig.
Min.
Typ.
Max.
Unit
504
fo()
Cut-off Frequency
200
kHz
505
fo()
Cut-off Frequency
50
80
kHz
506
507
601
Vc()hi
Vc()lo
CR()
Clamp Voltage hi
Clamp Voltage lo
Current Ratio
I(TIP) / I(DPi,DDC)
and I(TIN) / I(DNi)
Pull-Down Current
(Test Aid Turn-on Threshold)
0.4
-1.5
750
1100
1.5
-0.4
1600
V
V
Test Aid TIP, TIN
602
It()
2.5
14
19
25
28
2.4
2.1
1.8
1.6
125
µA
µA
µA
µA
µA
V
V
V
V
nA
603
V()on
Turn-on Voltage
2.7
2.4
2.1
1.9
360
LED Current Control ISET, AGND, LED, CSR
701
ISUM
Permissible Sum Current of
photodiodes DP0, DN0, DP1,
DN1
Permis. Driver Current in LED
Saturation Voltage at LED
I(LED)= 80mA, I(ISET)> 20µA,
V(CSR)= VCC
-40
27
85
125
1.15
8
-40
27
85
125
70
0.4
-1.5
12.0
11.9
11.75
11.65
92
130
1.5
-0.4
V
V
702
703
I(LED)
Vs(LED)
0
0.96
0.88
0.79
0.72
1.22
80
1.35
mA
V
V
V
V
V
V
704
705
V(ISET)
CR()
Voltage at ISET
Current Ratio
I(ISET) / I(CSR)
R(ISET/AGND)= 10..150kΩ
V(CSR)= 0.3V, ISUM= 0,
R(ISET)= 10..150kΩ
1.35
15
706
707
708
CR()
Vc()hi
Vc()lo
Current Ratio
I(CSR) / ISUM
Clamp Voltage hi
at ISET, LED, CSR
Clamp Voltage lo
at ISET, LED, CSR
V(CSR)= 1..3V,
I(ISET)= 0
Vc()hi= V()-VCC;
I()= 3mA
VCC= 0V, I()= -3mA
ICHAUS [ IC-HAUS GMBH ]
