AD5940
Data Sheet
Bits
Bit Name
Settings Description
00111 AIN3/BUF_VREF1V8.
01000 VBIAS_CAP.
Reset Access
01001 Reserved.
01010 Reserved.
01011 Temperature sensor negative output. TEMPSEN_N.
01100 AIN4/LPF0.
01101 Reserved.
01110 AIN6.
01111 Reserved.
10000 VZERO0 – Measured at VZERO pin.
10001 VBIAS0 – Measured at VBIAS pin.
10010 Reserved.
10011 Reserved.
10100 Negative node of excitation amplifier.
10101 Reserved.
10110 Reserved.
[7:6]
[5:0]
Reserved
MUXSELP
Reserved.
0x0
0x0
R
Select signals for the ADC input multiplexer as positive input.
00000 Floating input.
R/W
00001 High speed TIA positive signal.
00010 Low power TIA positive low-pass filter signal.
00011 Reserved.
00100 AIN0.
00101 AIN1.
00110 AIN2.
00111 AIN3/BUF_VREF1V8.
01000 AVDD/2.
01001 DVDD/2.
01010 AVDD_REG/2.
01011 Internal temperature sensor.
01100 VBIAS_CAP.
01101 DE0 – Measured at pin
01110 SE0 – Measured at pin
01111 Reserved.
010000 VREF_2V5/2.
010001 Reserved.
010010 VREF_1V82
010011 Negative terminal of temperature sensor (TEMPSENS_N).
010100 AIN4/LPF0.
010101 Reserved.
010110 AIN6.
010111 VZERO0 – Measured at VZERO pin
011000 VBIAS0 – Measured at VBIAS pin
011001 Voltage on CE0 pin, VCE0
.
011010 Voltage on RE0 pin, VRE0
011011 Reserved.
011100 Reserved.
011101 Reserved.
011110 Reserved.
011111 VCE0/2.
.
100000 Reserved.
100001 Low power TIA positive output, LPTIA_P.
100010 Reserved.
100011 AGND_REF.
100100 Positive node of excitation amplifier.
Rev. 0 | Page 58 of 130
ADI [ ADI ]
