IC-NQC_13 Datasheet, PDF (6/30 Pages) IC-Haus GmbH – Sin/D CONVERTER WITH SIGNAL CALIBRATION

iC-NQC
13-bit Sin/D CONVERTER WITH SIGNAL CALIBRATION
Rev D3, Page 6/30
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDDA = VDD = 5 V ±10 %, Tj = -40 ... 125 °C, unless otherwise stated.
Item Symbol Parameter
No.
Conditions
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
002 I(VDDA) Supply Current in VDDA
fin() = 200 kHz; A, B, Z open
15
003 I(VDD) Supply Current in VDD
fin() = 200 kHz; A, B, Z open
20
004 Von
Turn-on Threshold VDDA, VDD
3.2
4.4
005 Vhys
Turn-on Threshold Hysteresis
200
006 Vc()hi
Clamp Voltage hi at
PSIN, NSIN, PCOS, NCOS,
PZERO, NZERO, VREF
Vc()hi = V() - VDDA;
I() = 1 mA, other pins open
0.3
1.6
007 Vc()lo
Clamp Voltage lo at
I() = -1 mA, other pins open
PSIN, NSIN, PCOS, NCOS,
PZERO, NZERO, VREF, NERR,
SCL, SDA, MA, SLI, SLO, A, B, Z
-1.6
-0.3
008 Vc()hi
Clamp Voltage hi at
NERR, SCL, SDA, MA,
SLI, SLO, A, B, Z
Vc()hi = V() - VDD;
I() = 1 mA, other pins open
0.3
1.6
Input Amplifiers and Signal Inputs PSIN, NSIN, PCOS, NCOS
101 Vos()
Input Offset Voltage
Vin() and G() in accordance with table GAIN;
G ≥ 20
-10
10
G < 20
-15
15
102 TCos
Input Offset Voltage
see 101
±10
Temperature Drift
103 Iin()
Input Current
V() = 0 V ... VDDA
-50
50
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
G = 2.667
630
107 SR
Slew Rate
G = 80
2.3
G = 2.667
8.0
Sine-To-Digital Conversion
201 AAabs Absolute Angle Accuracy without referred to 360° input signal, G = 2.667,
-1.0
1.0
calibration
Vin = 1.5 Vpp, HYS = 0
202 AAabs
Absolute Angle Accuracy after referred to 360° input signal, HYS = 0, internal
calibration
signal amplitude of 2 ... 4 Vpp
-0.5 ±0.35 +0.5
203 AArel
Relative Angle Accuracy
referred to signal periods at A, resp. B
-10
10
(see Fig. 1);
G = 2.667, Vin = 1.5 Vpp, SELRES = 1024,
FCTR = 0x0004 ... 0x00FF, fin < finmax
(see table 15)
Reference Voltage Output VREF
801 VREF
Reference Voltage
I(VREF) = -1 mA ... +1 mA
48
52
Oscillator
A02 fosc()
A03 TCosc
A04 VCosc
Oscillator Frequency
presented at pin SCL with subdivision
of 2048;
VDDA = VDD = 5 V ±10 %
VDDA = VDD = 5 V
Oscillator Frequency Tempera- VDDA = VDD = 5 V
ture Drift
Oscillator Frequency Power Sup-
ply Dependance
56
92
60
74
86
-0.1
+9
Unit
V
mA
mA
V
mV
V
V
V
mV
mV
µV/K
nA
%
%
kHz
kHz
V/µs
V/µs
DEG
DEG
%
%
VDDA
MHz
MHz
%/K
%/V