IC-NQ Datasheet, PDF (12/25 Pages) IC-Haus GmbH – 13-bit Sin/D CONVERTER WITH CALIBRATION

iC-NQ
13-bit Sin/D CONVERTER WITH CALIBRATION
CONVERTER FUNCTIONS
Rev D1, Page 12/25
SELRES
Code
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
Adr 0x00, Bit 4:0
Binary
Resolutions
Examples of Permissible
Input Frequencies fin_max
(FCTR 0x0004, 0x4304)
-
-
-
8192
158 Hz, 635 Hz
4096
317 Hz, 1.27 kHz
2048
634 Hz, 2.54 kHz
1024
1.27 kHz, 5.1 kHz
512
2.54 kHz, 10.2 kHz
256
5.1 kHz, 20.3 kHz
128
10.2 kHz, 40.6 kHz
64
20.3 kHz, 81.3 kHz
32
40.6 kHz, 162.5 kHz
16
81.3 kHz (max. 250 kHz @ 0x4202)
8
162 kHz (max. 250 kHz @ 0x4102)
-
-
Table 11: Binary Resolutions
HYS
Code
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
Notes
Adr 0x01, Bit 7:5
Hysteresis in Hysteresis in Absolute error*
degree
LSB
0°
0.0879°
1 LSB @
12 bit
0.044°
0.1758°
1/2 LSB @
10 bit
0.088°
0.3516°
1 LSB @
10 bit
0.176°
0.7031°
1/2 LSB @
8 bit
0.352°
1.4063°
1 LSB @ 8 bit 0.703°
5.625°
2.813°
45°
only
22.5°
recommended
for calibration
*) The absolute error is equivalent to one half the
angle hysteresis
Table 13: Hysteresis
SELRES
Code
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
Notes
Adr 0x00, Bit 4:0
Decimal
Resolutions
Examples of Permissible
Input Frequencies fin_max
(FCTR 0x0004, 0x4304)
2000
650 Hz, 2.6 kHz
1600
812 Hz, 3.3 kHz
1000
1.3 kHz, 5.2 kHz
800
1.6 kHz, 6.5 kHz
500
2.6 kHz, 10.4 kHz
400
250 ^*1
125 ^*1,2
3.2 kHz, 13 kHz
5.2 kHz, 20.8 kHz
5.2 kHz, 20.8 kHz
320
160 ^*2
80 ^*4
40 ^*8
4.1 kHz, 16.3 kHz
4.1 kHz, 16.3 kHz
4.1 kHz, 16.3 kHz
4.1 kHz, 16.3 kHz
200
6.5 kHz, 26 kHz
100 ^*2
6.5 kHz, 26 kHz
50 ^*1,4
6.5 kHz, 26 kHz
25 ^*1,8
6.5 kHz, 26 kHz
*1 _{Not useful with increment A quad B output.}
*2,4,8 _{The internal converter resolution is higher}
by factor 2, 4 or 8.
Table 12: Decimal Resolutions