TCS230 Просмотр технического описания (PDF) - Unspecified
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TCS230 Datasheet PDF : 10 Pages
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TCS230
PROGRAMMABLE
COLOR LIGHT−TO−FREQUENCY CONVERTER
TAOS046 - FEBRUARY 2003
Operating Characteristics at VDD = 5 V, TA = 25°C, S0 = H, S1 = H (unless otherwise noted)
(See Notes 3, 4, 5, 6, and 7).
PARAMETER
fO
Output
frequency
TEST
CONDITIONS
Ee = 45.6 µW/cm2,
λp = 470 nm
Ee = 39.2 µW/cm2,
λp = 524 nm
Ee = 32.8 µW/cm2,
λp = 635 nm
CLEAR
PHOTODIODE
S2 = H, S3 = L
BLUE
PHOTODIODE
S2 = L, S3 = H
GREEN
PHOTODIODE
S2 = H, S3 = H
MIN TYP MAX MIN TYP MAX MIN TYP MAX
16
20 24 11.2 16.4 21.6
16
20 24
16
20 24
8 13.6 19.2
RED
PHOTODIODE
S2 = L, S3 = L
MIN TYP MAX
14
19 24
UNIT
kHz
kHz
kHz
Ee = 0
λp = 470 nm
Irradiance λp = 524 nm
Re
responsivity
(Note 8)
λp = 565 nm
λp = 635 nm
Saturation
Irradiance
(Note 9)
λp = 470 nm
λp = 524 nm
λp = 565 nm
λp = 635 nm
λp = 470 nm
Illuminance λp = 524 nm
Rv
responsivity
(Note 10)
λp = 565 nm
λp = 635 nm
fO = 0 to 5 kHz
2 12
439
510
548
610
1370
1180
1090
980
585
98
92
407
±0.1
%
2 12
360
189
49
30
1670
480
36
8
20
±0.1
%
2 12
88
347
318
37
1730
1890
117
67
53
25
±0.1
%
2 12 Hz
31
46
Hz/
(µW/
110
cm2)
579
1040
41
9
18
386
±0.1
%
µW/
cm2
Hz/
lx
% F.S.
Nonlinearity
(Note 11)
fO = 0 to 50 kHz
±0.2
%
±0.2
%
±0.2
%
±0.2
%
% F.S.
fO = 0 to 500 kHz
±0.5
%
±0.5
%
±0.5
%
±0.5
%
% F.S.
Recovery
from power
down
100
100
100
100
µs
Response
time to out-
put enable
(OE)
100
100
100
100
ns
NOTES: 3. Optical measurements are made using small-angle incident radiation from a light-emitting diode (LED) optical source.
4. The 470 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics:
peak wavelength λp = 470 nm, spectral halfwidth ∆λ½ = 35 nm, and luminous efficacy = 75 lm/W.
5. The 524 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics:
peak wavelength λp = 524 nm, spectral halfwidth ∆λ½ = 47 nm, and luminous efficacy = 520 lm/W.
6. The 565 nm input irradiance is supplied by a GaP light-emitting diode with the following characteristics:
peak wavelength λp = 565 nm, spectral halfwidth ∆λ½ = 28 nm, and luminous efficacy = 595 lm/W.
7. The 635 nm input irradiance is supplied by a AlInGaP light-emitting diode with the following characteristics:
peak wavelength λp = 635 nm, spectral halfwidth ∆λ½ = 17 nm, and luminous efficacy = 150 lm/W.
8. Irradiance responsivity Re is characterized over the range from zero to 5 kHz.
9. Saturation irradiance = (full-scale frequency)/(irradiance responsivity).
10. Illuminance responsivity Rv is calculated from the irradiance responsivity by using the LED luminous efficacy values stated in notes
4, 5, and 6 and using 1 lx = 1 lm/m2.
11. Nonlinearity is defined as the deviation of fO from a straight line between zero and full scale, expressed as a percent of full scale.
Copyright E 2003, TAOS Inc.
t
The LUMENOLOGYr Company
t
4
www.taosinc.com
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