preliminary

preliminary

WITH SPI AND SERIAL / PARALLEL OUTPUTS

Rev A1, Page 8/25

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

Symbol

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

208

Vref

Reference Voltage of Photocur-

rent Amplifiers

0.6

0.8

1

V

209

∆

Vd()sc

Analog Track Dark Signal Voltage

versus Vref

∆

Vd()sc = V() - Vref

-20

20

mV

210

∆

Vd()dig

Digital Track Dark Signal Voltage

versus Vref

∆

Vd()dig = V() - Vref

-35

35

mV

Signal Conditioning

301

GSmin,

GCmin

Adjustable Gain Min

GS, GC = 0x00

1

302

GSmax,

GCmax

Adjustable Gain Max

GS, GC = 0x3F

2

303

∆

Gdiff

Differential Gain Calibration

Accuracy

6 bit calibration

-0.5

0.5

LSB

304

Omin

Offset Calibration Min

OSP, OSN, OCP, OCN = 0x00

43

45

47

%VDDA

305

Omax

Offset Calibration Max

OSP, OSN, OCP, OCN = 0x7F

53

55

57

%VDDA

306

∆

Odiff

Differential Offset Calibration

Accuracy

7 bit calibration

0.02

0.08

0.12

%VDDA

Analog Voltage Outputs PSIN, NSIN, PCOS, NCOS

401

Vdc()

DC Output Voltage

Offset adjusted to VDDAH

47

50

53

%VDDA

402

Vpk()

Permissible Signal Amplitude

DC level = VDDA/2

0.5

0.6

V

403

I()mx

Permissible Output Current

-1

1

mA

404

Ri()

Output Impedance

I() = -1 to 1 mA

75

200

Ω

LED Current Control, Error Message ERR

501

Imx()

Permissible LED Current

-100

0

mA

502

Iop()

LED Current Control Range

ERRS (internal) = 0, V(LED) > Vs(LED)

-50

-1

mA

503

Vs()

Saturation Voltage at LED

Vs() = V(VDDA) - V(LED),

Tj = -40°C to 100°C, I() = -50 mA

1

V

Tj = 100°C to 125°C, I() = -45 mA

1

V

504

tr()

Current Rise Time LED at LED

I(LED): 0 % → 90 %

0.8

1.5

ms

505

tset()

Current Settling Time of Control

Loop at LED

amplitude at PSIN, NSIN, PCOS and NCOS

from 50 % to 100 % of setpoint

300

µs

506

Vs()hi

Saturation Voltage hi at ERR

Vs()hi = VDD - V(ERR)

400

mV

VDD = 3 V to 4 V, I() = 2.5 mA

VDD = 4 V to 5.5 V, I() = 3.5 mA

507

Isc()hi

Short-Circuit Current hi in ERR

-100

-4

mA

508

Vs()lo

Saturation Voltage lo at ERR

VDD = 3 V to 4 V, l() = 2.5 mA

400

mV

VDD = 4 V to 5.5 V, l() = 3.5 mA

509

Isc()lo

Short-Circuit Current lo in ERR

4

100

mA

Interpolator

701

AAabs

Absolute Angle Accuracy

referenced to one SIN/COS period

-5

5

DEG

702

AArel

Relative Angle Accuracy

referenced to one AB period, see Figure 1

-10

10

%

703

AAhys

Angle Hysteresis

referenced to one SIN/COS period

1

7

DEG

704

tw()hi

Duty Cycle

referenced to AB period T, see Figure 1

50

%

705

Phase A versus B

see Figure 1

25

%

Incremental Outputs INCA, INCB, INCZ

801

Vs()hi

Saturation Voltage hi

Vs()hi = VDD - V()

400

mV

VDD = 3 V to 4 V, I() = 2.5 mA

VDD = 4 V to 5.5 V, I() = 3.5 mA

802

Isc()hi

Short-Circuit Current hi

-100

-4

mA

803

Vs()lo

Saturation Voltage lo

VDD = 3 V to 4 V, l() = 2.5 mA

400

mV

VDD = 4 V to 5.5 V, l() = 3.5 mA

804

Isc()lo

Short-Circuit Current lo

4

100

mA

805

tr()

Rise Time

CL = 30 pF, V(): 10% → 90% VDD

30

ns

806

tf()

Fall Time

CL = 30 pF, V(): 90% → 10% VDD

30

ns