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IC-LTA_16 Datasheet, PDF (8/15 Pages) IC-Haus GmbH – 6-CH. INCREMENTAL OPTO ENCODER ARRAY
iC-LTA
preliminary
6-CH. INCREMENTAL OPTO ENCODER ARRAY
Rev C1, Page 8/15
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 3.5...5.5 V, Tj = -40...125 °C, λLED = 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
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
λLED = 740 nm
λLED = 850 nm, 460 nm
λLED= λpk, Vout() < Vout()mx;
PA, PB, NA, NB
U, V, W
PZ, NZ
Photocurrent Amplifiers
201 Iph()
Permissible Photocurrent
Operating Range
for PA, PB, NA, NB, U, V, W
for PZ, NZ
202 η()r
Photo Sensitivity
for PA, PB, NA, NB, U, V, W
(light-to-voltage conversion ratio) for PZ, NZ
203 Z()
Equivalent Transimpedance Gain Z = Vout() / Iph(), Tj = 27 °C;
for PA, PB, NA, NB, U, V, W
for PZ, NZ
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 Permissible Maximum Output illumination to E()mxpk
Voltage
302 Iout()mx Permissible Maximum Output
Load
sink current (load to IC)
source current (load to ground)
303 Vout()d Dark Signal Level
load 100 kΩ vs. +2 V
304 Vout()acmx Maximum Signal Level
Vout()acmx = Vout()mx - Vout()d
307 Ri()
Internal Output Resistance
f = 1 kHz
Analog Outputs: PA, NA, PB, NB, PZ, NZ, U, V, W (INTERNAL for iC-LTA_W)
3I01 Vout()mx Maximum Output Voltage
illumination to E()mxpk
Comparators
401 Vt()hys Comparator Hysteresis
Vt()hys = Vt()hi - Vt()lo
LED Power Control
501 Iop()
Permissible LED Output Current
502 Vs()hi
Saturation Voltage hi
Vs()hi = VCC - V(LED), I() = -40 mA
503 Isc()hi
Short-Circuit Current hi
V() = 0 V
Digital Outputs: PA, NA, PB, NB, PZ, NZ, U, V, W
601 fout
Maximum Output Frequency
x1 comparated (native resolution)
x2 interpolated
x4 interpolated
Min.
3.5
400
0
0
0.15
0.4
0.35
0.87
-0.2
-8
-12
-24
-2.5
400
-500
560
0.3
250
1.04
-40
-150
400
800
1600
Typ.
6
680
0.264
0.26
0.105
0.5
0.3
1.0
2.5
0.4
0.25
0.65
0.5
1.25
-0.12
500
770
0.5
750
1.27
24
0.4
Max.
5.5
10
950
1200
480
0.35
0.9
0.65
1.63
0.2
8
12
24
2.5
1.8
50
985
0.75
2250
1.8
0
0.6
-50
Unit
V
mA
nm
nm
mm2
mm2
mm2
A/W
A/W
mW/
cm2
mW/
cm2
mW/
cm2
nA
nA
V/µW
V/µW
MΩ
MΩ
%/°C
%
mV
mV
mV
mV
kHz
V
µA
µA
mV
V
Ω
V
mV
mA
V
mA
kHz
kHz
kHz