Rainbow Electronics TH7888A User Manual

Page 11

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ELECTROOPTICAL PERFORMANCE
• General conditions :

Temp = 25°C (package back temperature)

Light source : 2854K with 2 mm BG38 filter (unless specified) + F/3.5 optical aperture .

30 images per second mode (unless specified)

Typical operating conditions.

• Readout mode : 2 outputs

• Values exclude dummy elements and blemishes.

PARAMETER

SYMBOL

VALUE

UNIT

REMARKS

Min.

TYP.

Max.

Output register saturation level

VSAT reg

2.3

2.6

V

Pixel saturation level

VSAT

1.6

1.9

2.2

V

Note 1

Pixel saturation charge (electron per pixel)

QSAT

270

320

370

ke-

Responsivity at 640 nm
Responsivity with BG38 filter

R

6.5

11

V/µJ/cm²

mV/lux

Quantum efficiency at 640 nm

QE

15

%

see fig.15

Photo response non uniformity (1

s

)

PRNU

1.3

1.7

% VOS

Dark signal non uniformity (1

s

)

DSNU

0.28

0.4

mV

Note 2

Average dark signal

VDS

2

3

mV

Note 3

4

5.6

mV

Note 4

Temporal RMS noise in darkness (Last line)

VN

200

µV

Note 5

Dynamic range

D

80

dB

Note 6

Horizontal modulation transfer function at 500 nm

MTF

70

%

Note 7

Vertical charge transfer inefficiency

VCTI

2.10-5

Note 8

Horizontal charge transfer inefficiency

HCTI

7.10-5

Note 9

Note 1 : Pixel saturation (full well) as a function of vertical transfer frequency (see figure 12) and antiblooming

Note 1 :

adjustment (see figure13).

Note 2 : After subtraction of dark signal slope due to memory readout time
Note 3 : First line level referenced from inactive prescan elements (12 samples)
Note 4 : Last line level referenced from inactive prescan elements (12 samples)
Note 5 : Measured with Correlated Double Sampling (CDS) including 160 µV readout noise and dark current noise

Note 5 :

in the general test conditions.

Note 6 : Saturation to RMS noise in darkness ratio.
Note 7 : At Nyquist frequency.
Note 8 : VSAT / 2 measurement and 1.25 MHz vertical transfer frequency.
Note 9 : VSAT / 2 measurement and 20 MHz horizontal transfer frequency.

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TH7888A

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