IC-LNB_13 参数 Datasheet PDF下载

iC-LNB

18-BIT OPTO ENCODER

WITH SPI AND SER/PAR INTERFACES

preliminar y

Rev A1, Page 9/35

ELECTRICAL CHARACTERISTICS

Operating conditions: VDDA = 4 V to 5.5 V, VDD = 3 V to 5.5 V, GNDA = GND, Tj = -40 °C to 125 °C, unless otherwise specified.

Item

No.

001

002

003

004

005

006

Symbol

Parameter

Conditions

Min.

VDDA

VDD

VDDA,

VDD

I(VDDA),

I(VDD)

Vcz()hi

Vc()hi

Permissible Supply Voltage

Permissible I/O Supply Voltage

Permissible Supply Voltage Rip-

ple

Supply Current in VDDA and

VDD (sum)

Clamp Voltage hi at all Pins

Clamp Voltage hi at

CLK, DIN, NSL, INCA, INCB,

INCZ, ERR, DIR, MISO, DOUT,

POK, XJD, GA, GB, TPS, TNS,

TPC, TNC

Clamp Voltage hi at

CS, MOSI, SCK

Clamp Voltage lo at all Pins

Spectral Application Range

Spectral Sensitivity

Radiant Sensitive Area DPSIN,

DNSIN, DPCOS, DNCOS

VDD

≤

VDDA

at 150 kHz

without currents I(LED) and I(ERR), Tj = 27 °C

I() = 4 mA

Vc()hi = V()

−

V(VDD),

I() = 4 mA

0.3

4

3

Typ.

5

5

10

25

40

11

1.2

Max.

5.5

5.5

V

V

mV

mA

V

V

Unit

Total Device

007

008

101

102

103

104

Vc()hi

Vc()lo

Se(λ)

S(λ)max

Aph()

Aph()

Vc()hi = V()

−

V(VDD),

I() = 4 mA

I() = -4 mA

Se(λ) = 0.25 x S(λ)max

λ

= 690 nm

λ

= 850 nm

0.5 mm x 0.25 mm

1.2

-1.2

400

0.45

0.30

0.125

0.07

2.2

-0.3

950

V

V

nm

A/W

A/W

mm²

mm²

Photodiodes

Radiant Sensitive Area Digital

0.35 mm x 0.2 mm

DA1VP, DA1VN, DA1NP, DA1NN,

DA2V ... DA10V, DA2N ... DA10N

Permissible Photocurrent

Operating Range

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

Transimpedance Gain Matching

of an Amplifier Pair

Upper Cut-off Frequency (-3 dB)

Ratio of Reference Voltage Dig-

ital Tracks (Vcomp) to Sum of

Digital Track 1

Hysteresis Digital Tracks

Coarse Gain Range Analog Track GR = 0x00

GR = 0x01

GR = 0x02

GR = 0x03

Reference Voltage of Photocur-

rent Amplifiers

Analog Track Dark Signal Voltage

∆Vd()sc

= V() - Vref

versus Vref

Digital Tracks Dark Signal Volt-

age versus Vref

Adjustable Minimum Gain

Adjustable Maximum Gain

Differential Gain Calibration

Accuracy

Offset Calibration Min

Offset Calibration Max

Differential Offset Calibration

Accuracy

∆Vd()dig

= V() - Vref

0.6

-20

-35

P-channel versus corresponding N-channel

without LED current control

VR()

=

Vcomp

VA1VP

+

VA1VN

+

VA1NP

+

VA1NN

Photocurrent Amplifier

201

202

203

204

205

Iph()

Z()

∆Z()pn

fhc()

VR()

0

1.8

-0.2

120

300

0.25

3.0

200

4.2

0.2

500

nA

MΩ

%

kHz

206

207

Hys()

GR()

5

15

1

1.33

1.6

2

0.8

25

mV

208

209

210

Vref

∆Vd()sc

∆Vd()dig

1

20

35

V

mV

mV

Signal Conditioning Sin/Cos

301

302

303

304

305

306

Gmin

Gmax

∆Gdiff

Omin

Omax

∆Odiff

GS, GC = 0x00

GS, GC = 0x3F

calibration range 6 bit

OSP, OSN, OCP, OCN = 0x00

OSP, OSN, OCP, OCN = 0x7F

calibration range 7 bit

-0.5

43

53

0.02

45

55

0.08

1

2

0.5

47

57

0.12

LSB

%VDDA

%VDDA

%VDDA