TSL1406RS【PDF 6/15 页】IC LINEAR SENSOR ARRAY 768X1

TSL1406R, TSL1406RS

768 ?1 LINEAR SENSOR ARRAY WITH HOLD

TAOS042D APRIL 2007

5

The LUMENOLOGY r Company

r

Copyright E 2007, TAOS Inc.

www.taosinc.com

Electrical Characteristics at f

clock

= 1 MHz, V

DD

= 5 V, T

A

= 25?/SPAN>C, ?/SPAN>

p

= 640 nm, t

int

= 5 ms,

R

L

= 330 ?/SPAN>, E

e

= 12.5 ?/SPAN>W/cm

2

(unless otherwise noted) (see Note 3)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V

out

Analog output voltage (white, average over 768 pixels)

See Note 4

1.6

2

2.4

V

drk

Analog output voltage (dark, average over 256 pixels)

E

e

= 0

0

0.1

0.3

V

PRNU

Pixel response nonuniformity

See Note 5

?5%

Nonlinearity of analog output voltage

See Note 6

0.4%

FS

Output noise voltage

See Note 7

1

mVrms

R

e

Responsivity

See Note 8

20

30

38

V/

(糐/cm

2

)

V

DD

= 5 V, R

L

= 330 ?/DIV>

4.5

4.8

V

sat

Analog output saturation voltage

V

DD

= 3 V, R

L

= 330 ?/DIV>

2.5

2.8

V

DD

= 5 V, See Note 9

155

SE

Saturation exposure

V

DD

= 3 V, See Note 9

90

nJ/cm

2

DSNU

Dark signal nonuniformity

All pixels, E

e

= 0, See Note 10

0.05

0.15

V

IL

Image lag

See Note 11

0.5%

V

DD

= 5 V, E

e

= 0, R

L

= 330 ?/DIV>

18

27

I

DD

Supply current

V

DD

= 3 V, E

e

= 0, R

L

= 330 ?/DIV>

16

25

mA

I

IH

High-level input current

V

I

= V

DD

10

糀

I

IL

Low-level input current

V

I

= 0

10

糀

C

i

Input capacitance, SI

15

pF

C

i

Input capacitance, CLK

30

pF

NOTES: 3. All measurements made with a 0.1 糉 capacitor connected between V

DD

and ground.

4. The array is uniformly illuminated with a diffused LED source having a peak wavelength of 640 nm.

5. 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.

6. 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).

7. RMS noise is the standard deviation of a single-pixel output under constant illumination as observed over a 5-second period.

8. R

e(min)

= [V

out(min)

V

drk(max)

] ?/SPAN> (E

e

?/SPAN> t

int

)

9. SE(min) = [V

sat(min)

V

drk(min)

] ?/SPAN> )E

e

?/SPAN> t

int

) ?/SPAN> [V

out(max)

V

drk(min)

]

10. DSNU is the difference between the maximum and minimum output voltage for all pixels in the absence of illumination.

11. 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:

IL +

V

out (IL)

* V

drk

V

out (white)

* V

drk

100

Timing Requirements (see Figure 1 and Figure 2)

MIN

NOM

MAX

UNIT

t

su(SI)

Setup time, serial input (see Note 12)

20

ns

t

h(SI)

Hold time, serial input (see Note 12 and Note 13)

0

ns

t

pd(SO)

Propagation delay time, SO

50

ns

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

約

NOTES: 12. Input pulses have the following characteristics: t

r

= 6 ns, t

f

= 6 ns.

13. SI must go low before the rising edge of the next clock pulse.

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