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AS7331 데이터시트(PDF) 38 Page - OSRAM GmbH

부품명 AS7331
상세설명  Spectral UVA/B/C Sensor
PDF  72 Pages
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제조업체  OSRAM [OSRAM GmbH]
홈페이지  http://www.osram.com
Logo OSRAM - OSRAM GmbH

AS7331 데이터시트(HTML) 38 Page - OSRAM GmbH

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AS7331
Functional Description
Datasheet
• PUBLIC
DS001047
• v4-00 • 2023-Mar-24
71
│ 37
TIME(1)
0
1
2
3
4
5
6
7
32x
5187.50
2593.75
1296.88
648.44
324.22
162.11
81.05
40.53
16x
10375.00
5187.50
2593.75
1296.88
648.44
324.22
162.11
81.05
8x
20750.00
10375.00
5187.50
2593.75
1296.88
648.44
324.22
162.11
4x
41500.00
20750.00
10375.00
5187.50
2593.75
1296.88
648.44
324.22
2x
83000.00
41500.00
20750.00
10375.00
5187.50
2593.75
1296.88
648.44
1x
166000.00
83000.00
41500.00
20750.00
10375.00
5187.50
2593.75
1296.88
(1)
TIME (TCONV) – given by CREG1:TIME = 0 … 7 dec, NCLK – number of clock cycle within conversion time TCONV, RESOL
– Resolution of internal A/D conversion, GAIN = 1x given by CREG1:GAIN = 11 dec up to GAIN = 2048x given by
CREG1:GAIN = 0 dec (see Figure 48).
(2)
Basic sensitivity of the UVC-channel.
Figure 32:
UVC-
Channel (λ = 240 nm – 280 nm) Programmable FSR and LSB of the Detectable Input Light
Irradiance Ee
TIME(1)
8
9
10
11
12
13
14
15
NCLK
(1)
262144
524288
1.05E+06
2.10E+06
4.19E+06
8.39E+06
1.68E+07
1024
TCONV[s]
(1)
0.256
0.512
1.024
2.048
4.096
8.192
16.384
0.001
RESOL[bit](1)
18
19
20
21
22
23
24
10
GAIN(1)
FSR [µW/cm²] of detectable irradiance Ee (channel C)
2048x
20.75
10.38
5.19
2.59
1.30
0.65
0.32
83.00
1024x
41.50
20.75
10.38
5.19
2.59
1.30
0.65
166.00
512x
83.00
41.50
20.75
10.38
5.19
2.59
1.30
332.00
256x
166.00
83.00
41.50
20.75
10.38
5.19
2.59
664.00
128x
332.00
166.00
83.00
41.50
20.75
10.38
5.19
1328.00
64x
664.00
332.00
166.00
83.00
41.50
20.75
10.38
2656.00
32x
1328.00
664.00
332.00
166.00
83.00
41.50
20.75
5312.00
16x
2656.00
1328.00
664.00
332.00
166.00
83.00
41.50
10624.00
8x
5312.00
2656.00
1328.00
664.00
332.00
166.00
83.00
21248.00
4x
10624.00
5312.00
2656.00
1328.00
664.00
332.00
166.00
42496.00
2x
21248.00
10624.00
5312.00
2656.00
1328.00
664.00
332.00
84992.00
1x
42496.00
21248.00
10624.00
5312.00
2656.00
1328.00
664.00
169984.00
GAIN(1)
LSB [nW/cm²]
– least significant bit of FSR (channel C)
2048x
0.32
0.16
0.08
0.04
0.02
0.01
0.00
81.05
1024x
0.63
0.32
0.16
0.08
0.04
0.02
0.01
162.11
512x
1.27
0.63
0.32
0.16
0.08
0.04
0.02
324.22
256x
2.53
1.27
0.63
0.32
0.16
0.08
0.04
648.44
128x
5.07
2.53
1.27
0.63
0.32
0.16
0.08
1296.88



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