Hi
Many parameters in the datasheet have quite high variation between min and max value.
For example,
Small transimpedance gain varies from 1.75KΩ to 2.25KΩ.
Differential output offset voltage varies from -12mV to +12mV
Input resistance varies from 60Ω to 100Ω
Default input bias voltage varies from 2.42V to 2.52V
Are those variations due to part to part, temperature, or anything else?
Can you provide breakdown of how much each factor contributes to these variations?
Regards,
David.
Hi David,
Thank you for your question. For our devices, the minimum and maximum values are guaranteed specifications meaning that we ensure our customers that for the specified set up conditions, the device they receive will not be outside of this range. The max/typical specs are based on the Gaussian distribution and therefore within +/- one standard deviation, about 68% of the device population will be within the typical range. There will never be a device greater than the max specification or lower than the minimum specification.
This variation is not due to temperature, but is a variation part by part based on the manufacturing process. This is confirmed with the constant temperature value at the top of the datasheet in the characteristics description.
If any variation is based on temperature, that would show in the datasheet as shown below.
Additionally, some specifications are shown graphically over temperature to show the full range within the datasheet.
Please let me know if there are any additional questions or concerns, I would be happy to assist.
Thank you,
Rachel
