Analog Devices ADuCM356 User Manual

Reference Manual ADuCM356
REGISTER DETAILS: ADC CIRCUIT
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Table 86. Bit Descriptions for ADCOFFSETGN1P5
Bits Bit Name Settings Description Reset Access
[31:15] Reserved Reserved. 0x0 R
[14:0] VALUE Offset Calibration Gain 1.5. ADC offset correction with PGA gain = 1.5. 0x0 R/W
0x3FFF 4095.75 (maximum positive offset calibration value).
0x0001 0.25 (minimum positive offset calibration value).
0x0000 0 (no offset adjustment).
0x7FFF −0.25 (minimum negative offset calibration value).
0x4000 −4096 (maximum negative offset calibration value).
GAIN CALIBRATION VOLTAGE INPUT CHANNEL (PGA GAIN = 1.5) REGISTER
Address: 0x400C2270, Reset: 0x00004000, Name: ADCGAINGN1P5
Table 87. Bit Descriptions for ADCGAINGN1P5
Bits Bit Name Settings Description Reset Access
[31:15] Reserved Reserved. 0x0 R
[14:0] VALUE Gain Calibration PGA Gain 1.5. ADC gain correction for voltage input channels. Stored as a signed
number. Bit 14 is the sign bit and Bits[13:0] represent the fractional part.
0x4000 R/W
0x7FFF 2 (maximum positive gain adjustment).
0x4001 1.000061 (minimum positive gain adjustment).
0x4000 1.0. ADC result multiplied by 1. No gain adjustment. Default value.
0x3FFF 0.999939 (minimum negative gain adjustment).
0x2000 0.5. ADC result multiplied by 0.5.
0x0001 0.000061 (maximum negative gain adjustment).
0x0000 0. Invalid value. Results in ADC result of 0.
OFFSET CALIBRATION VOLTAGE INPUT CHANNEL (PGA GAIN = 2) REGISTER
Address: 0x400C22C8, Reset: 0x00000000, Name: ADCOFFSETGN2
Table 88. Bit Descriptions for ADCOFFSETGN2
Bits Bit Name Settings Description Reset Access
[31:15] Reserved Reserved. 0x0 R
[14:0] VALUE Offset Calibration Voltage Channel Gain 2. ADC offset correction for inputs using PGA gain = 2,
represented as a twos complement number. The calibration resolution is 0.25 LSBs of the ADCDAT LSB
size.
0x0 R/W
0x3FFF 4095.75 (maximum positive offset calibration value).
0x0001 0.25 (minimum positive offset calibration value).
0x0000 0 (no offset adjustment).
0x7FFF −0.25 (minimum negative offset calibration value).
0x4000 −4096 (maximum negative offset calibration value).
GAIN CALIBRATION VOLTAGE INPUT CHANNEL (PGA GAIN = 2) REGISTER
Address: 0x400C2274, Reset: 0x00004000, Name: ADCGAINGN2
Table 89. Bit Descriptions for ADCGAINGN2
Bits Bit Name Settings Description Reset Access
[31:15] Reserved Reserved. 0x0 R
[14:0] VALUE Gain Calibration PGA Gain 2. ADC gain correction for voltage input channels. Stored as a signed
number. Bit 14 is the sign bit and Bits[13:0] represent the fractional part.
0x4000 R/W
0x7FFF 2 (maximum positive gain adjustment).

Analog Devices ADuCM356 Specifications

General

Brand	Analog Devices
Model	ADuCM356
Category	Microcontrollers
Language	English