Measurement ±20 mV

Measuring range, nominal

-20…+20 mV

Measuring range, end value (full scale value)

20 mV

Measuring range, technically usable

-21.474…+21.474 mV

PDO resolution

24 bit (including sign)

PDO LSB (Extended Range)

2.56 nV

PDO LSB (Legacy Range)

2.384.. nV

Basic accuracy: Measuring deviation at 23°C, with averaging

< ±0.03%_FSV = ±300 ppm_FSV

Offset/Zero Point deviation (at 23°C)

E_Offset

< 260 ppm_FSV

Gain/scale/amplification deviation (at 23°C)

E_Gain

< 100 ppm

Non-linearity over the whole measuring range

E_Lin

< 90 ppm_FSV

Repeatability

E_Rep

< 35 ppm_FSV

Noise (without filtering)

E_{Noise, PtP}

< 750 ppm_FSV

< 5859 [digits]

E_{Noise, RMS}

< 150 ppm_FSV

< 1172 [digits]

Max. SNR

> 76.5 dB

Noisedensity@1kHz

< 42.43

Noise (with 50Hz FIR filtering)

E_{Noise, PtP}

< 75 ppm_FSV

< 586 [digits]

E_{Noise, RMS}

< 11.5 ppm_FSV

< 90 [digits]

Max. SNR

> 98.8 dB

Temperature coefficient

Tc_Gain

< 12 ppm/K typ.

Tc_Offset

< 12 ppm_FSV/K typ.

Common-mode rejection ratio (without filtering)

DC: >115 dB typ.

50 Hz: >105 dB typ.

1 kHz: >80 dB typ.

Common-mode rejection ratio (with 50Hz FIR filtering)

DC: >115 dB typ.

50 Hz: >115 dB typ.

1 kHz: >115 dB typ.

Largest short-term deviation during a specified electrical interference test

±0.1%_FSV = ±1000 ppm_FSV typ.

Input impedance ±Input 1

(Internal resistance)

Differential 4.1 MΩ || 11 nF typ.

CommonMode 1 MΩ || 40 nF typ.
Methodology: Resistor against -U_V, capacitance against SGND

Input impedance ±Input 2

No usage of this input in this mode