TSL2568, TSL2569
LIGHT-TO-DIGITAL CONVERTER
TAOS091D DECEMBER 2008
4
r
r
Copyright E 2008, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
Operating Characteristics, High Gain (16), V
DD
= 3 V, T
A
= 255C, (unless otherwise noted) (see
Notes 2, 3, 4, 5)
TSL2568T, TSL2569T
TSL2568CS, TSL2569CS
PARAMETER
TEST CONDITIONS
CHANNEL
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
f
osc
Oscillator frequency
690
735
780
690
735
780
kHz
Ch0
0
8
0
8
Dark ADC count value
E
e
= 0, T
int
= 402 ms
Ch1
0
8
0
8
counts
Ch0
65535
65535
T
int
> 178 ms
Ch1
65535
65535
Full scale ADC count
Ch0
37177
37177
u sca e
coun
value (Note 6)
T
int
= 101 ms
Ch1
37177
37177
counts
Ch0
5047
5047
T
int
= 13.7 ms
Ch1
5047
5047
? = 640 nm, T
in
= 101 ms
Ch0
3000
4000
5000
p
=      nm,
int
=      ms
E
e
= 33 糤/cm
2
Ch1
1000
? = 940 nm, T
in
= 101 ms
Ch0
2800
4000
5200
counts
p
=      nm,
int
=      ms
E
e
= 106 糤/cm
2
Ch1
3520
ADC count value
? = 640 nm, T
in
= 101 ms
Ch0
3000
4000
5000
p
=      nm,
int
=      ms
E
e
= 34.5 糤/cm
2
Ch1
840
? = 940 nm, T
in
= 101 ms
Ch0
2800
4000
5200
counts
p
=          ,
int
=     
E
e
= 110.9 糤/cm
2
Ch1
3440
ADC count value ratio:
? = 640 nm, T
int
= 101 ms
0.18
0.25
0.32
0.14
0.21
0.28
Ch1/Ch0
? = 940 nm, T
int
= 101 ms
0.73
0.88
1.03
0.70
0.86
1.01
Ch0
121
116
?/DIV>
p
= 640 nm, T
int
= 101 ms
Ch1
30.3
24
counts/
R
e
Irradiance responsivity
Ch0
37.7
36
(糤/
m
2
?/DIV>
p
= 940 nm, T
int
= 101 ms
Ch1
33.2
31
cm )
Fluorescent li ht source:
Ch0
185
180
uorescen g   source:
T
int
= 402 ms
Ch1
35
33.3
counts/
R
v
Illuminance responsivity
Incandescent li ht source:
Ch0
599
537
lux
ncan escen g   source:
T
int
= 402 ms
Ch1
330
307
ADC count value ratio:
Fluorescent light source:
T
int
= 402 ms
0.19
0.19
coun va ue ra o:
Ch1/Ch0
Incandescent li ht source:
ncan escen g   source:
T
int
= 402 ms
0.55
0.57
Fluorescent li ht source:
Ch0
11.6
11.1
Illuminance responsivit ,
uorescen g   source:
T
int
= 402 ms
Ch1
2.2
2.1
counts/
R
v
um nance respons v y,
low gain mode (Note 7)
Incandescent li ht source:
Ch0
37.5
33.8
coun s
lux
ncan escen g   source:
T
int
= 402 ms
Ch1
20.7
19.3
(Sensor Lux) /
Fluorescent light source:
T
int
= 402 ms
0.65
1
1.35
0.65
1
1.35
(actual Lux), high gain
mode (Note 8)
Incandescent light source:
T
int
= 402 ms
0.60
1
1.40
0.60
1
1.40
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