TSL230R−LF, TSL230AR−LF, TSL230BR−LF
PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS
TAOS079A − OCTOBER 2006
Electrical Characteristics at TA = 25°C, VDD = 5 V (unless otherwise noted)
PARAMETER
High-level output voltage
TEST CONDITIONS
= −4 mA
MIN
TYP
4.5
MAX
UNIT
V
V
V
I
I
4
OH
OL
OH
OL
Low-level output voltage
High-level input current
Low-level input current
= 4 mA
0.25
0.4
5
V
I
I
μA
IH
5
μA
IL
Power-on mode
2
5
3
mA
I
Supply current
DD
Power-down mode
12
μA
†
F.S.
Full-scale frequency
1.1
MHz
ppm/°C
%/V
Temperature coefficient of output frequency
Supply voltage sensitivity
λ ≤ 700 nm
±150
±0.5
k
V
= 5 V ±10%
DD
SVS
†
Full-scale frequency is the maximum operating frequency of the device without saturation.
Operating Characteristics at VDD = 5 V, TA = 25°C, Ee = 130 μW/cm2, λp = 640 nm (unless otherwise
noted)
TSL230R−LF
MIN TYP MAX
TSL230AR−LF
MIN TYP MAX
TSL230BR−LF
MIN TYP MAX
PARAMETER
TEST CONDITIONS
UNIT
kHz
kHz
kHz
kHz
S0 = S1 = H,
S2 = S3 = L
80
8
100
10
1
120
12
90
9
100
10
1
110
11
95
9.5
100
10
1
105
10.5
1.05
52.5
S1 = H,
S0 = S2 = S3 = L
S0 = H,
S1 = S2 = S3 = L
0.8
40
1.2
60
0.9
45
1.1
55
0.95
47.5
f
Output frequency
S0 = S1 = S2 = H,
S3 = L
O
50
50
50
S0 = S1 = S3 = H,
S2 = L
8
10
1
12
1.2
10
9
10
1
11
1.1
10
9.5
10
1
10.5
1.05
10
kHz
kHz
Hz
S0 = S1 = S2 = S3 = H
0.8
0.9
0.95
E = 0, S0 = S1 = H,
e
0.4
0.4
0.4
S2 = S3 = L
kHz/
S0 = S1 = H,
S2 = S3 = L
R
e
Responsivity
0.77
0.77
0.77
(μW/
2
cm )
S2 = S3 = L
S2 or S3 = H
125
600
125
600
125
600
100
ns
Output pulse
duration
t
w
1/2f
1/2f
1/2f
O
s
O
O
f
f
f
= 0 MHz to 10 kHz
= 0 MHz to 100 kHz
= 0 MHz to 1 MHz
±0.1%
±0.2%
±0.5%
±0.1%
±0.2%
±0.5%
±0.1%
±0.2%
±0.5%
%F.S.
%F.S.
%F.S.
O
O
O
‡#
Nonlinearity
Recovery from
power down
100
100
μs
Step response to
full-scale step input
1 pulse of new frequency plus 1 μs
Response time to
programming
change
§
2 periods of new principal frequency plus 1 μs
Response time to
output enable (OE)
50
150
50
150
50
150
ns
‡
#
§
Nonlinearity is defined as the deviation of f from a straight line between zero and full scale, expressed as a percent of full scale.
Nonlinearity test condition: S0 = S1 = H, S2 = S3 = L.
Principal frequency is the internal oscillator frequency, equivalent to divide-by-1 output selection.
O
Copyright E 2006, TAOS Inc.
The LUMENOLOGY r Company
r
r
www.taosinc.com
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