iC-LSC

12-CHANNEL ACTIVE PHOTOSENSOR ARRAY

Rev C3, Page 6/8

ELECTRICAL CHARACTERISTICS

Operating conditions: VCC = 4...5.5 V, Tj = -40...125 °C, unless otherwise stated

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

Total Device

001

VCC

Permissible Supply Voltage

4

5.5

V

002

I(VCC)

Supply Current in VCC, dark

E() = 0

2

mA

Tj = 27 °C

1.5

mA

003

I(VCC)

Supply Current in VCC

2

4

mA

Tj = 27 °C

2.2

mA

004

Vc()hi

Clamp-Voltage hi at all pins

I() = 4 mA

11

V

005

Vc()lo

Clamp-Voltage lo at all pins

I() = -4 mA

-1.2

-0.3

V

Photosensors

101

E()mxr

Permissible Irradiance

0.2

mW/

102

Aph()

Radiant Sensitive Area

0.8 mm x 0.3 mm per sensor

0.24

103

λ

ar

Spectral Application Range

Se(λar) = 0.25 x S(λ)max

400

950

nm

see Figure 1

104

λ

pk

Peak Sensitivity Wavelength

see Figure 1

680

nm

105

S(λ)

Spectral Sensitivity

0.45

A/W

Photocurrent Amplifiers

201

Iph()

Permissible Photocurrent

Operating Range

per sensor

0

200

nA

202

η

()r

Photo Sensitivity

(light-to-voltage conversion ratio)

60

120

A/W

203

CR()

Photocurrent Gain

CR() = Iout() / Iph()

150

200

250

204

fc()hi

Cut-off Frequency (-3 dB)

150

200

kHz

205

∆

Iout()m

Channel Matching

deviation from mean value

-15

+15

%

206

∆

Iout()m

Channel Cross Talk

only one photosensor illuminated at the same

time

0

%

Current Source Outputs

301

Vout()

Permissible Output Voltage

(Operating Range)

1

VCC -

1.5

V

302

Iout()

Permissible Output Current

Vout() = 1 V ... VCC - 1.5 V

-50

µA

VCC = 4.5...5.5 V, Vout() = 1 V ... VCC - 2 V

-200

µA

303

tr(), tf()

Output Current Rise/Fall Time

Iph: 0 → 100 nA, 1T settling (63%);

Vout() = constant

0.7

µs

CL = 30 pF, RL() = 10 kΩ

0.8

µs

304

Iout()0

Output Dark Current

-0.75

+0.75

µA

Figure 1: Relative spectral response

Figure 2: Typical directional characteristics