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TSL1401CL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
ams Datasheet Page 7
[v1-01] 2016-Aug-30 Document Feedback
TSL1401CL − Electrical Characteristics
All limits are guaranteed. The parameters with min and max
values are guaranteed with production tests or
SQC (Statistical Quality Control) methods.
Figure 6:
Recommended Operating Conditions (see Figure 10 and Figure 11
Note(s):
1. Integration time is calculated as follows:
t
int(min)
= (128 - 18) clock period + 20μs
where 128 is the number of pixels in series, 18 is the required logic setup clocks, and 20μs is the pixel charge transfer time (t
qt
)
2. SI must go low before the rising edge of the next clock pulse.
Symbol Parameter Min Nom Max Unit
V
DD
Supply voltage 3 5 5.5 V
V
I
Input voltage 0
V
DD
V
V
IH
High-level input voltage 2
V
DD
V
V
IL
Low-level input voltage 0 0.8 V
λ Wavelength of light source 400 1000 nm
f
clock
Clock frequency 5 8000 kHz
t
int
Sensor integration time
(1)
0.03375 100 ms
t
su(SI)
Setup time, serial input 20 ns
t
h(SI)
Hold time, serial input
(2)
0ns
T
A
Operating free-air temperature 0 70 °C
Electrical Characteristics
Page 8 ams Datasheet
Document Feedback [v1-01] 2016-Aug-30
TSL1401CL − Electrical Characteristics
Figure 7:
Electrical Characteristics at f
clock
= 1MHz, V
DD
= 5V, T
A
= 25°C, λ
p
= 640nm, t
int
= 5ms, R
L
= 330Ω,
E
e
= 11μW/cm
2
(unless otherwise noted)
(1)
Symbol Parameter
Test
Conditions
Min Typ Max Unit
V
out
Analog output voltage
(white, average over 128 pixels)
See note (2) 1.6 2 2.4 V
V
drk
Analog output voltage
(dark, average over 128 pixels)
E
e
= 0
00.10.2 V
PRNU Pixel response nonuniformity See note (3) ±4% ±10%
Nonlinearity of analog output
voltage
See note (4) ±0.4% FS
Output noise voltage See note (5) 1mVrms
R
e
Responsivity See note (6) 25 35 45
V/
(μJ/cm
2
)
V
sat
Analog output saturation voltage
V
DD
= 5V,
R
L
= 330Ω
4.5 4.8
V
V
DD
= 3V,
R
L
= 330Ω
2.5 2.8
SE Saturation exposure
V
DD
= 5V
(7)
136
nJ/cm
2
V
DD
= 3V
(7)
78
DSNU Dark signal nonuniformity
All pixels, E
e
= 0
(8)
0.02 0.05 V
IL Image lag See note (9) 0.5%
I
DD
Supply current
V
DD
= 5V, E
e
= 0
2.8 4.5
mA
V
DD
= 3V, E
e
= 0
2.6 4.5
I
IH
High-level input current
V
I
= V
DD
1μA
ams Datasheet Page 9
[v1-01] 2016-Aug-30 Document Feedback
TSL1401CL − Electrical Characteristics
Note(s):
1. All measurements made with a 0.1μF capacitor connected between V
DD
and ground.
2. The array is uniformly illuminated with a diffused LED source having a peak wavelength of 640nm.
3. PRNU is the maximum difference between the voltage from any single pixel and the average output voltage from all pixels of the
device under test when the array is uniformly illuminated at the white irradiance level. PRNU includes DSNU.
4. Nonlinearity is defined as the maximum deviation from a best-fit straight line over the dark-to-white irradiance levels, as a percent
of analog output voltage (white).
5. RMS noise is the standard deviation of a single-pixel output under constant illumination as observed over a 5-second period.
6. R
e(min)
= [V
out(min)
- V
drk(max)
] ÷ (E
e
× t
int
)
7. SE
(min)
= [V
sat(min)
- V
drk(min)
] × (E
e
× t
int
) ÷ [V
out(max)
- V
drk(min)
]
8. DSNU is the difference between the maximum and minimum output voltage for all pixels in the absence of illumination.
9. Image lag is a residual signal left in a pixel from a previous exposure. It is defined as a percent of white-level signal remaining after
a pixel is exposed to a white condition followed by a dark condition:
Figure 8:
Timing Requirements (see Figure 10 and Figure 11)
Note(s):
1. Input pulses have the following characteristics: t
r
= 6ns, t
f
= 6ns.
2. SI must go low before the rising edge of the next clock pulse.
Figure 9:
Dynamic Characteristics over Recommended Ranges of Supply Voltage and Operating Free-Air
Temperature
I
IL
Low-level input current
V
I
= 0
1μA
C
i
Input capacitance 5 pF
Symbol Parameter Min Nom Max Unit
t
su(SI)
Setup time, serial input
(1)
20 ns
t
h(SI)
Hold time, serial input
(1),
(2)
0ns
t
w
Pulse duration, clock high or low 50 ns
t
r
, t
f
Input transition (rise and fall) time 0 500 ns
t
qt
Pixel charge transfer time 20 μs
Symbol Parameter Test Conditions Min Typ Max Unit
t
s
Analog output settling time to ±1%
R
L
= 330Ω, C
L
= 10pF
120 ns
Symbol Parameter
Test
Conditions
Min Typ Max Unit
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TSL1401CL

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Manufacturer:
ams
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Light To Frequency & Light To Voltage Linear Sensor Array 400dpi 128 pixel
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