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IC-PD3948_14 Datasheet, PDF (7/12 Pages) IC-Haus GmbH – PHASED ARRAY SINE ENCODER
iC-PD 3948
PHASED ARRAY SINE ENCODER
preliminary
Rev C1, Page 7/12
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 4.5...5.5 V, Tj = -40..125 ◦C, unless otherwise stated
Item Symbol Parameter
No.
Conditions
Total Device
001 VCC
Permissible Supply Voltage
002 I(VCC) Supply Current
no load, photocurrents within op. range
003 Vc()hi
Clamp-Voltage hi at all pins
I() = 4 mA
004 Vc()lo
Clamp-Voltage lo at all pins
I() = -4 mA
Photosensors
101 λar
Spectral Application Range
Se(λar) = 0.25 x S(λpk)
102 λpk
Peak Sensitivity Wavelength
103 Aph()
Radiant Sensitive Area
chip release iC-PD3948.
S/C track (DPSIN, DNSIN, DPCOS, DNCOS)
C/D track (DPC, DNC, DPD, DND)
Z track (DPZ, DNZ)
104 S(λ)
106 E()mx
Spectral Sensitivity
Irradiance For Maximum Signal
Level
chip release iC-PD3948 Y
S/C track (DPSIN, DNSIN, DPCOS, DNCOS)
C/D track (DPC, DNC, DPD, DND)
Z track (DPZ, DNZ)
λLED = 740 nm
λLED = 850 nm
λLED = 740 nm, Vout() not saturated;
chip release iC-PD3948.
S/C track
C/D track
Z track
chip release iC-PD3948 Y
S/C track
C/D track
Z track
Photocurrent Amplifiers
201 Iph()
Permissible Photocurrent
Operating Range
chip release iC-PD3948., all tracks
chip release iC-PD3948 Y
S/C track and Z track
C/D track
202 η()r
Photo Sensitivity
λLED = 740 nm;
(light-to-voltage conversion ratio) chip release iC-PD3948., all tracks
203 Z()
chip release iC-PD3948 Y
S/C track, Z track
C/D track
Equivalent Transimpedance Gain Z = Vout() / Iph();
chip release iC-PD3948., all tracks
chip release iC-PD3948 Y
S/C track, Z track
C/D track
204 TCz
Temperature Coefficient of
Transimpedance Gain
209 ∆Z()pn
Transimpedance Gain Matching P.. channel vs. corresponding N.. channel
Of Paired Amplifiers
210 ∆Vout()pn Signal Matching
no illumination, any output to any output
211 ∆Vout()pn Signal Matching
no illumination, P vs. N path per diff. channel
Unit
Min. Typ. Max.
4.5
5.5
V
12
16
mA
11
V
-1.2
-0.3
V
400
950
680
0.075
0.033
0.042
nm
nm
mm2
mm2
mm2
0.076
0.031
0.039
0.5
0.3
mm2
mm2
mm2
A/W
A/W
1.2 2.0 3.2 mW/
cm2
2.4 4.0 6.4 mW/
cm2
1.9 3.0 4.8 mW/
cm2
6.0
12
18 mW/
cm2
8.0
15
24 mW/
cm2
12
21
36 mW/
cm2
0
280 nA
0
1120 nA
0
560 nA
0.8 1.2 2.0 V/µW
0.1 0.16 0.3 V/µW
0.2 0.32 0.6 V/µW
2.69 4.0 5.46 MΩ
0.67 1.0 1.36 MΩ
1.34 2.0 2.72 MΩ
-0.12
%/◦C
-0.2
0.2
%
-35
35
mV
-2.5
2.5 mV