KAI−08050

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18

OPERATION

Table 13. ABSOLUTE MAXIMUM RATINGS

Description

Symbol

Minimum

Maximum

Units

Notes

Operating Temperature

−50

+70

°C

1

Humidity

RH

+5

+90

%

2

Output Bias Current

60

mA

3

Off−chip Load

CL

10

pF

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

1. Noise performance will degrade at higher temperatures.

2. T = 25°C. Excessive humidity will degrade MTTF.

3. Total for all outputs. Maximum current is −15 mA for each output. Avoid shorting output pins to ground or any low impedance source during

operation. Amplifier bandwidth increases at higher current and lower load capacitance at the expense of reduced gain (sensitivity).

Table 14. ABSOLUTE MAXIMUM VOLTAGE RATINGS BETWEEN PINS AND GROUND

Description

Minimum

Maximum

Units

Notes

VDDa, VOUTa

−0.4

17.5

V

1

RDa

−0.4

15.5

V

1

V1B, V1T

ESD − 0.4

ESD + 24.0

V

V2B, V2T, V3B, V3T, V4B, V4T

ESD − 0.4

ESD + 14.0

V

H1Sa, H1Ba, H2Sa, H2Ba, H2SLa, Ra, OGa

ESD − 0.4

ESD + 14.0

V

1

ESD

−10.0

0.0

V

SUB

−0.4

40.0

V

2

1. a denotes a, b, c or d

2. Refer to Application Note Using Interline CCD Image Sensors in High Intensity Visible Lighting Conditions.

Power−Up and Power−Down Sequence

Adherence to the power−up and power−down sequence is critical. Failure to follow the proper power−up and power−down

sequences may cause damage to the sensor.

Figure 14. Power−Up and Power−Down Sequence

VDD

SUB

ESD

VCCD

Low

HCCD

Low

time

V+

V−

Activate all other biases when

ESD is stable and sub is above 3V

Do not pulse the electronic shutter

until ESD is stable

Notes:

1. Activate all other biases when ESD is stable and

SUB is above 3 V

2. Do not pulse the electronic shutter until ESD is

stable

3. VDD cannot be +15 V when SUB is 0 V

4. The image sensor can be protected from an

accidental improper ESD voltage by current

limiting the SUB current to less than 10 mA. SUB

and VDD must always be greater than GND. ESD

must always be less than GND. Placing diodes

between SUB, VDD, ESD and ground will protect

the sensor from accidental overshoots of SUB,

VDD and ESD during power on and power off.

See the figure below.