preliminary

preliminary

iC-PN2656

PHASED ARRAY NONIUS ENCODER 26-256

Rev A4, Page 5/7

ELECTRICAL CHARACTERISTICS

Operating conditions: VCC = 4.5...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

5.5

V

002

I(VCC)

Supply Current

no load, photocurrents within op. range

9.5

15

mA

003

Vc()hi

Clamp-Voltage hi at all pins

I() = 4 mA

11

V

004

Vc()lo

Clamp-Voltage lo at all pins

I() = -4 mA

-1.2

-0.3

V

Photosensors

101

λ ar

Spectral Application Range

Se(λ ar) = 0.25 x S(λ )max

400

950

nm

102

λ pk

Peak Sensitivity Wavelength

680

nm

103

Aph()

Radiant Sensitive Area

0.8 mm x 0.33 mm (each sensor)

0.264

104

S(λ )

Spectral Sensitivity

0.5

A/W

105

S(λ pk)max Maximum Spectral Sensitivity

0.55

A/W

106

E()mxr

Permissible Irradiance

0.18

0.37

0.78

mW/

107

E()mxpk

Permissible Irradiance

0.16

0.34

0.71

mW/

Photocurrent Amplifiers

201

Iph()

Permissible Photocurrent Operat-

ing Range

0

280

nA

202

η ()r

Photo Sensitivity

(light-to-voltage conversion ratio)

1.12

2.0

3.28

V/µW

203

Z()

Equivalent Transimpedance Gain Z = Vout() / Iph()

2.69

4.0

5.46

MΩ

204

TCz

Temperature Coefficient of Tran-

simpedance Gain

-0.12

%/°C

209

∆

Z()pn

Transimpedance Gain Matching

P vs. N path per diff. channel

-0.2

0.2

%

210

∆

Vout()pn Output Signal Matching

P vs. N path per diff. channel,

illumination to E()mxr

-6

6

mV

211

∆

Vout()pn Dark Signal Matching

P vs. N path per diff. channel

-2.5

2.5

mV

212

fc()hi

Cut-off Frequency (-3 dB)

220

310

465

kHz

213

VNoise()

RMS Output Noise

illuminated to 500 mV signal level above dark

level, 500 kHz band width

0.5

mV

Signal Outputs

301

Vout()mx

Maximum Output Voltage

illumination to E()mxr

2.45

2.72

3.02

V

302

Vout()d

Dark Signal Level

load 20 kΩ vs. +2 V, no illumination

640

770

985

mV

303

Vout()acmx Maximum Signal Level

Vout()acmx = Vout()mx - Vout()d

1.48

1.96

2.35

V

304

Isc()hi

Short-Circuit Current hi

load current to ground

200

540

800

µA

305

Isc()lo

Short-Circuit Current lo

load current to IC

250

425

600

µA

306

Ri()

Internal Output Resistance

f = 1 kHz

70

110

180

Ω

Reference Voltage VREF

401

VREF

Reference Voltage

I(VREF) = 0...-1.6 mA

640

770

985

mV