| Device: |
|
|
|
Application Parameters
|
|
Differential Amplitude,
VDIFF
|
mV
|
Common Mode Voltage, VCM
|
V
|
| Gain |
|
Operating Temperature, TA |
°C
|
| Source Impedance RS+ |
ohms
|
Source Impedance RS- |
|
ohms
|
|
|
|
|
Error Source
|
Specification
|
Calculation
|
|
Effect on
Absolute
Accuracy
at Temp.
|
Effect on
Resolution
|
|
| Gain Error |
%
|
|
|
ppm
|
|
Gain Drift, GTC
|
ppm / °C
|
GTC * (TA-25)
|
ppm
|
| Gain Nonlinearity |
%
|
|
|
ppm
|
|
Input Offset Voltage, VOSI
|
µV
|
VOSI / VDIFF
|
ppm
|
|
Input Offset Voltage Drift, VOSI_TC
|
µV / °C
|
( VOSI_TC / VDIFF ) * (TA-25)
|
ppm
|
|
Output Offset Voltage, VOSO
|
mV
|
VOSO / ( GAIN * VDIFF )
|
ppm
|
|
Output Offset Voltage Drift, VOSO_TC
|
µV / °C
|
( VOSO_TC / ( GAIN * VDIFF ) ) * (TA-25)
|
ppm
|
|
Bias Current, IB
- Source Imbalance Error
|
nA
|
IB * (RS+ - RS- ) / VDIFF
|
|
ppm
|
Bias Current Drift, IB_TC
- Source Imbalance Drift
|
pA / °C
|
IB_TC * (RS+ - RS- ) * (TA-25) / VDIFF
|
ppm
|
Offset Current, IOS
- Source Resistance + Imbalance Error
|
nA
|
IOS * MAX( RS+, RS- ) / VDIFF
|
ppm
|
Offset Current Drift, IOS_TC
- Source Resistance + Imbalance Drift
|
pA / °C
|
IOS_TC * MAX( RS+, RS- ) *
(TA-25) / VDIFF
|
ppm
|
|
| Common Mode Rejection, CMRR |
dB
|
VCM / ( 10CMRR/20 * VDIFF )
|
|
ppm
|
| Noise, RTI (0.1 Hz - 10 Hz) |
µV p-p
|
|
|
ppm
|
|
|
TOTALS
|
|
|
|
ppm
|
| |
|
ppm
|