Output Adjustment

The REF02 trim terminal can be used to adjust the out-

put voltage over a 5V±300mV range. This feature

allows the system designer to trim system errors by set-

ting the reference to a voltage other than 5V (refer to

the Typical Operating Circuit section).

Adjustment of the output does not significantly affect

the temperature performance of the device. Typically,

the temperature coefficient change is 0.7ppm/°C for

100mV of output adjustment.

Temperature Voltage Output

The REF02 provides a temperature-dependent output

voltage on the TEMP pin. This voltage is proportional

to the absolute temperature, and has a scale factor of

approximately 2.1mV/°C (Figure 2).

Output Voltage = 2.1(T + 273)mV

where T = Temperature in °C

+5V, +10V Precision

Voltage References

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5

Figure 2. REF02 Temperature/Voltage Output vs. Temperature

ELECTRICAL CHARACTERISTICS—REF02

ELECTRICAL CHARACTERISTICS—REF02