TSL230RD, TSL230ARD, TSL230BRD
PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS
TAOS054P OCTOBER 2007
3
The LUMENOLOGY r Company
r
r
Copyright E 2007, TAOS Inc.
www.taosinc.com
Electrical Characteristics at T
A
= 25?/SPAN>C, V
DD
= 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
OH
High-level output voltage
I
OH
= 4 mA
4
4.5
V
V
OL
Low-level output voltage
I
OL
= 4 mA
0.25
0.4
V
I
IH
High-level input current
5
糀
I
IL
Low-level input current
5
糀
Power-on mode
2
3
mA
I
DD
Supply current
Power-down mode
5
12
糀
F.S.
Full-scale frequency (See Note 3)
S0=S1=H, S2=S3=L
1.1
MHz
Temperature coefficient of output frequency
?d 700 nm (See Note 4)
?00
ppm/癈
k
SVS
Supply voltage sensitivity
V
DD
= 5 V ?0%
?.5
%/V
NOTES: 3. Full-scale frequency is the maximum operating frequency of the device without saturation.
4. The temperature coefficient of output frequency is measured with constant irradiance as the temperature is varied between 25癈
and 70癈. The constant irradiance is sufficiently high that the output frequency is much greater than the dark frequency over the
entire temperature range.
Operating Characteristics at V
DD
= 5 V, T
A
= 25?/SPAN>C, E
e
= 126 ?/SPAN>W/cm
2
, ?/SPAN>
p
= 640 nm (unless otherwise
noted)
TSL230RD
TSL230ARD
TSL230BRD
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
S0 = S1 = H,
S2 = S3 = L
80
100
120
85
100
115
90
100
110
S1 = H,
S0 = S2 = S3 = L
8
10
12
8.5
10
11.5
9
10
11
f
Output frequenc
S0 = H,
S1 = S2 = S3 = L
0.8
1
1.2
0.85
1
1.15
0.9
1
1
kHz
O
S0 = S1 = S2 = H,
S3 = L
40
50
60
42.5
50
57.5
45
50
55
S0 = S1 = S3 = H,
S2 = L
8
10
12
8.5
10
11.5
9
10
11
S0 = S1 = S2 = S3 = H
0.8
1
1.2
0.85
1
1.15
0.9
1
1.1
f
D
Dark frequency
E
e
= 0, S0 = S1 = H,
S2 = S3 = L
0.4
10
0.4
10
0.4
10
Hz
R
e
Responsivity
S0 = S1 = H,
S2 = S3 = L
0.79
0.79
0.79
kHz/
(糤/
cm
2
)
Out ut ulse
S2 = S3 = L
125
600
125
600
125
600
ns
t
w
u pu pu se
duration
S2 or S3 = H
1/2f
O
1/2f
O
1/2f
O
s
f
O
= 0 MHz to 10 kHz
?.1%
?.1%
?.1%
Nonlinearity
f
O
= 0 MHz to 100 kHz
?.2%
?.2%
?.2%
%F.S.
(See Notes 5 and 6)
f
O
= 0 MHz to 1 MHz
?.5%
?.5%
?.5%
. .
Recovery from power down
100
100
100
約
Step response to full-scale step input
1 pulse of new frequency plus 1 約
Response time to programming change
2 periods of new principal frequency plus 1 約 (Note 7)
Response time to output enable (OE
)
50
150
50
150
50
150
ns
NOTES: 5. Nonlinearity is defined as the deviation of f
O
from a straight line between zero and full scale, expressed as a percent of full scale.
6. Nonlinearity test condition: S0 = S1 = H, S2 = S3 = L.
7. Principal frequency is the internal oscillator frequency, equivalent to divide-by-1 output selection.
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