preliminary

preliminary

iC-NQI

13-bit Sin/D CONVERTER WITH CALIBRATION

Rev A2, Page 6/26

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

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, CLK, DAT, NPRG, A,

B, Z

I() = -1 mA, other pins open

-1.6

-0.3

V

008

Vc()hi

Clamp Voltage hi at

NERR, SCL, SDA, CLK,

DAT, NPRG, 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

Vin()sig

Permissible Input Voltage Range

0.6

VDDA

− 1.1

V

102

Vos()

Input Offset Voltage

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

G ≥ 20

-10

10

mV

G < 20

-15

15

mV

103

TCos

Input Offset Voltage

Temperature Drift

see 102

±10

µV/K

104

Iin()

Input Current

V() = 0 V ... VDDA

-50

50

nA

105

GA

Gain Accuracy

G() in accordance with table GAIN

95

102

%

106

GArel

Gain SIN/COS Ratio Accuracy

G() in accordance with table GAIN

97

103

%

107

fhc

Cut-off Frequency

G = 80

230

kHz

G = 2.667

650

kHz

108

SR

Slew Rate

G = 80

4

V/µs

G = 2.667

9

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