Atmel CAMELIA 8M Manual de usuario descargar pdf (Pagina 16)

CAMELIA 8M Digital Camera

1986B–IMAGE–03/03

Specifications

Definitions LSB: Least Significant Bit: 12-bit correspond to 4095 LSB.

Absolute Maximum

Ratings

Storage temperature: -20°C to +70°C

Operating temperature: 0°C to +50°C

Operating humidity (non condensing): < 80% at +35°C

Vibration: 2g sinusoidal, from 10 Hz to 100 Hz

Power supply: +20V to +28V

Weight 900 g

Electro-optical

Performance

Conditions: Camera operating free air temperature: 20°C

Notes: 1. Full scale value VPE: maximum digital video signal.

2. Temporal noise VN: r.m.s value in darkness. Measured by subtracting 2 images pixel

to pixel at 40 ms of integration time.

3. This parameter depends on integration time and on CCD temperature. Thermal noise

doubles every 16°C of temperature elevation. Dark signal doubles every 8°C of tem-

perature elevation. But a internal clamp correct the mean value of this phenomena.

4. Dark signal non uniformity: r.m.s value. Excludes blemishes.

5. Dynamic range DY = VPE/VN

6. Responsitivity conditions: CDS gain = 1x, 3200K, light source powered between 200

and 1100 nm, measured on the sensor.

7. Resolution conditions: VIDEO = 2000 LSB, CDS gain = 1x, 3200K with BG38 2 mm

8. Anti-blooming ON. Integration time = 100 ms.

9. Measured at 24V.

Table 10. Electro-optical Performance

Parameter Symbol

Typical

Value Unit Notes

Full scale value VPE 4095 LSB

(1)

Temporal noise VN 2.7 LSB

(2)(3)

Dark signal non uniformity DSNU 2 LSB.s

(3)(4)

Dynamic range DY 1500

63 dB

(5)

Responsivity R 51.43 LSB/(nJ/cm

)

(6)

Resolution

Horizontal Transfer function at Nyquist

Vertical Contrast Transfer function at

Nyquist

CTFh

CTFv

40%

–

(7)

Anti-blooming (over illumination capability) – 8x –

(8)

Electrons to LSB conversion – 15 e-/LSB

Current consumption I 500 mA

(9)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21

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