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IC-NQC Datasheet(PDF) 12 Page - IC-Haus GmbH |
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IC-NQC Datasheet(HTML) 12 Page - IC-Haus GmbH |
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12 / 29 page  preliminary preliminary iC-NQC 13-bit Sin/D CONVERTER WITH SIGNAL CALIBRATION Rev B1, Page 12/29 CONVERTER FUNCTIONS SELRES Adr 0x00, Bit 4:0 Code Binary Resolutions Examples of Permissible Input Frequencies finmax (FCTR 0x0004, 0x4302) 0x00 - 0x01 - 0x02 - 0x03 8192 158 Hz, 1.06 kHz 0x04 4096 317 Hz, 2.12 kHz 0x05 2048 634 Hz, 4.24 kHz 0x06 1024 1.27 kHz, 8.5 kHz 0x07 512 2.54 kHz, 17 kHz 0x08 256 5.1 kHz, 34 kHz 0x09 128 10.2 kHz, 68 kHz 0x0A 64 20.3 kHz, 136 kHz 0x0B 32 40.6 kHz (max. 250 kHz) 0x0C 16 81.3 kHz (max. 250 kHz) 0x0D 8 162 kHz (max. 250 kHz) 0x0E - 0x0F - Table 11: Binary resolutions SELRES Adr 0x00, Bit 4:0 Code Decimal Resolutions Examples of Permissible Input Frequencies finmax (FCTR 0x0004, 0x4302) 0x10 2000 650 Hz, 4.3 kHz 0x11 1600 812 Hz, 5.5 kHz 0x12 1000 1.3 kHz, 8.6 kHz 0x13 800 1.6 kHz, 10.8 kHz 0x14 500 2.6 kHz, 17 kHz 0x15 400 3.2 kHz, 22 kHz 0x16 250 *1 5.2 kHz, 35 kHz 0x17 125 *1,2 5.2 kHz, 35 kHz 0x18 320 4.1 kHz, 27 kHz 0x19 160 *2 4.1 kHz, 27 kHz 0x1A 80 *4 4.1 kHz, 27 kHz 0x1B 40 *8 4.1 kHz, 27 kHz 0x1C 200 6.5 kHz, 43.3 kHz 0x1D 100 *2 6.5 kHz, 43.3 kHz 0x1E 50 *1,4 6.5 kHz, 43.3 kHz 0x1F 25 *1,8 6.5 kHz, 43.3 kHz Notes *1 Not suitable for incremental output on A, B. *2,4,8 The internal resolution is higher by a factor of 2, 4 or 8. Table 12: Decimal resolutions HYS Adr 0x01, Bit 7:5 Code Hysteresis in degrees Hysteresis in LSB Absolute error* 0x00 0° 0x01 0.0879° 1 LSB @ 12 bit 0.044° 0x02 0.1758° 1/2 LSB @ 10 bit 0.088° 0x03 0.3516° 1 LSB @ 10 bit 0.176° 0x04 0.7031° 1/2 LSB @ 8 bit 0.352° 0x05 1.4063° 1 LSB @ 8 bit 0.703° 0x06 5.625° 2.813° 0x07 45° only recommended for calibration 22.5° Notes *) The resulting absolute error is equivalent to half the angle hysteresis. Table 13: Hysteresis CFGOSC Adr 0x07, Bit 2:0 Code Trimming Frequency 0x00 No change 0x01 -10 % 0x02 -14.4 % 0x03 -22 % 0x04 Not permissible 0x05 +12.5 % 0x06 +6.25 % 0x07 -4.5 % Table 14: Oscillator calibration |
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