IC-LTA_13 Datasheet, PDF (8/13 Pages) IC-Haus GmbH – 6-CH. INCREMENTAL OPTO ENCODER ARRAY

iC-LTA
preliminary
6-CH. INCREMENTAL OPTO ENCODER ARRAY
Rev B1, Page 8/13
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
Total Device
001 VCC
Permissible Supply Voltage
002 I(VCC) Supply Current in VCC
no load, photocurrents within op. range
003 Vc()lo
Clamp-Voltage lo at all pins
I() = -4 mA versus GND
004 Vc()hi
Clamp-Voltage hi at all pins
I() = 4 mA
005 Vc()hi
Clamp-Voltage hi at LED, PA, NA, I() = 4 mA, versus VCC
PB, NB, PZ, NZ, U, V, W
006 Vc()hi
Clamp-Voltage hi at
SEL, TIP, TIN
I() = 4 mA, versus VCC
Photosensors
101 λar
Spectral Application Range
Se(λar) = 0.25 x S(λ)max
102 λpk
Peak Sensitivity Wavelength
103 Aph()
Radiant Sensitive Area
PA, PB, NA, NB
PZ, NZ
U, V, W
104 S(λr)
Spectral Sensitivity
106 E()mxpk Permissible Irradiance
λ_LED = 740 nm
λ_LED = 850 nm
λ_LED= λpk, Vout() < Vout()mx;
PA, PB, NA, NB
U, V, W
PZ, NZ
Photocurrent Amplifiers
201 Iph()
Permissible Photocurrent
Operating Range
202 η()r
Photo Sensitivity
for PA, PB, NA, NB
(light-to-voltage conversion ratio) for PZ, NZ, U, V, W
203 Z()
Equivalent Transimpedance Gain Z = Vout() / Iph(), Tj = 27 °C;
for PA, PB, NA, NB
for PZ, NZ, U, V, W
204 TCZ
Temperature Coefficient Of
Transimpedance Gain
205 ∆Z()pn Transimpedance Gain Matching SEL open, P vs. N path per diff. channel
206 ∆Vout() Dark Signal Matching of A, B SEL open, output vs. output
207 ∆Vout() Dark Signal Matching of U, V, W SEL open, output vs. output
208 ∆Vout() Dark Signal Matching
of A, B, Z, U, V, W
SEL open, any output vs. any output
209 ∆Vout()pn Dark Signal Matching
SEL open, P vs. N path per diff. channel
211 fc()hi
Cut-off Frequency (-3 dB)
Analog Outputs PA, NA, PB, NB, PZ, NZ, U, V, W
301 Vout()mx Maximum Output Voltage
illumination to E()mxpk
302 Vout()d Dark Signal Level
load 100 kΩ vs. +2 V
303 Vout()acmx Maximum Signal Level
Vout()acmx = Vout()mx - Vout()d
304 Isc()hi
Short-Circuit Current hi
SEL open, load current to ground
305 Isc()lo
Short-Circuit Current lo
SEL open, load current to IC
306 Ri()
Internal Output Resistance
f = 1 kHz
Comparators
401 Vt()hi
Upper Comparator Threshold
Iph()p x Z()p > Iph()n x Z()n,
resp. Iph()p x Z()p > internal VREF
402 Vt()lo
Lower Comparator Threshold
Iph()p x Z()p < Iph()n x Z()n,
resp. Iph()p x Z()p < internal VREF
403 Vt()hys Comparator Hysteresis
Vt()hys = Vt()hi - Vt()lo
Min.
3.5
-1.2
0.3
0.7
400
0
0.1
0.2
0.56
0.66
-0.2
-8
-12
-24
-2.5
400
1.04
640
0.3
100
20
250
5
-25
10
Typ.
3
680
0.264
0.258
0.264
0.5
0.3
0.55
0.4
0.45
0.3
0.4
0.75
1.0
-0.12
500
1.27
770
0.5
1800
40
750
12
-12
24
Max.
5.5
10
-0.3
11
1.2
2.2
950
550
0.5
0.6
1
1.36
0.2
8
12
24
2.5
1.8
985
0.75
3000
200
2250
25
-5
50
Unit
V
mA
V
V
V
V
nm
nm
mm²
mm²
mm²
A/W
A/W
mW/
cm²
mW/
cm²
mW/
cm²
nA
V/µW
V/µW
MΩ
MΩ
%/°C
%
mV
mV
mV
mV
kHz
V
mV
V
µA
µA
Ω
mV
mV
mV