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TL1431AID

Programmable voltage reference

STMicroelectronics 

TL1431

4

Parameter definitions

Parameter definitions

Reference input voltage deviation over temperature range

ΔVref is defined as the difference between the maximum and minimum values obtained over

the full temperature range.

ΔVref = Vref max. - Vref min.

Figure 21. Reference input voltage deviation over temperature range

V ref max.

V ref min.

T1

T2

Temperature

Temperature coefficient of reference input voltage

The temperature coefficient is defined as the slopes (positive and negative) of the voltage

versus temperature limits within which the reference is guaranteed.

Figure 22. Temperature coefficient of reference input voltage

Max

2.5V

min

-n ppm/°C +n ppm/°C

25°C

Temperature

Dynamic impedance

The dynamic impedance is defined as | ZKA|

= Δ-----V----K----A--

ΔIK

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