iC-NQL

13-bit Sin/D CONVERTER WITH SSI INTERFACE

Rev D2, Page 6/24

ELECTRICAL CHARACTERISTICS

Operating Conditions: VDDA = VDD = 5 V ±10 %, Tj = -40 ... 125 °C, unless otherwise stated

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

Total Device

Functionality and parameters beyond the operating conditions (with reference to independent voltage supplies, for instance)

are to be verified within the individual application using FMEA methods.

001

VDDA,

VDD

Permissible Supply Voltage

4.5

5.5

V

002

I(VDDA)

Supply Current in VDDA

fin() = 200 kHz; A, B, Z open

15

mA

003

I(VDD)

Supply Current in VDD

fin() = 200 kHz; A, B, Z open

20

mA

004

Von

Turn-on Threshold VDDA, VDD

3.2

4.4

V

005

Vhys

Turn-on Threshold Hysteresis

200

mV

006

Vc()hi

Clamp Voltage hi at

PSIN, NSIN, PCOS, NCOS,

PZERO, NZERO, VREF

Vc()hi = V() - VDDA;

0.3

1.6

V

I() = 1 mA, other pins open

007

Vc()lo

Clamp Voltage lo at

PSIN, NSIN, PCOS, NCOS,

PZERO, NZERO, VREF, NERR,

SCL, SDA, A, B, Z

I() = -1 mA, other pins open

-1.6

-0.3

V

008

Vc()hi

Clamp Voltage hi at

NERR, SCL, SDA,

A, B, Z

Vc()hi = V() - VDD;

0.3

1.6

V

I() = 1 mA, other pins open

Input Amplifiers PSIN, NSIN, PCOS, NCOS

101

Vos()

Input Offset Voltage

Vin() and G() in accordance with table GAIN;

G ≥ 20

-10

10

mV

G < 20

-15

15

mV

102

TCos

Input Offset Voltage

Temperature Drift

see 101

±10

µV/K

103

Iin()

Input Current

V() = 0 V ... VDDA

-50

50

nA

104

GA

Gain Accuracy

G() in accordance with table GAIN

95

102

%

105

GArel

Gain SIN/COS Ratio Accuracy

G() in accordance with table GAIN

97

103

%

106

fhc

Cut-off Frequency

G = 80

150

kHz

G = 2.667

630

kHz

107

SR

Slew Rate

G = 80

2.3

V/µs

G = 2.667

8.0

V/µs

Sin/D Conversion: Accuracy

201

AAabs

Absolute Angle Accuracy without

calibration

referred to 360° input signal, G = 2.667,

Vin = 1.5 Vpp, HYS = 0

-1.0

1.0

DEG

202

AAabs

Absolute Angle Accuracy after

calibration

referred to 360° input signal, HYS = 0, internal

signal amplitude of 2 ... 4 Vpp

-0.5

±0.35

+0.5

DEG

203

AArel

Relative Angle Accuracy

referred to output signal period of A/B,

-10

10

%

G = 2.667, Vin = 1.5 Vpp, SELRES = 1024,

(see table 14)

Reference Voltage VREF

801

VREF

Reference Voltage

I(VREF) = -1 mA ... +1 mA

48

52

%

VDDA

Oscillator

A01

fosc()

Oscillator Frequency

presented at SCL with subdivision

of 2048;

VDDA = VDD = 5 V ±10 %

52

90

MHz

VDDA = VDD = 5 V

60

72

83

MHz

A02

TCosc

Oscillator Frequency Tempera-

ture Drift

VDDA = VDD = 5 V

-0.1

%/K

A03

VCosc

Oscillator Frequency Power Sup-

ply Dependance

+10.6

%/V