AD5697RBRUZ-RL7 Ver la hoja de datos (PDF) - Analog Devices

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AD5697RBRUZ-RL7

Dual, 12-Bit nanoDAC+ with 2 ppm/°C Reference, I2C Interface

Analog Devices 

AD5697R

THERMAL HYSTERESIS

Thermal hysteresis is the voltage difference induced on the

reference voltage by sweeping the temperature from ambient

to cold, to hot, and then back to ambient.

Thermal hysteresis data is shown in Figure 49. It is measured by

sweeping temperature from ambient to −40°C, then to +105°C,

and returning to ambient. The VREF delta is then measured between

the two ambient measurements and shown in blue in Figure 49.

The same temperature sweep and measurements are immediately

repeated, and the results are shown in red in Figure 49.

Data Sheet

9

FIRST TEMPERATURE SWEEP

8 SUBSEQUENT TEMPERATURE SWEEPS

7

6

5

4

3

2

1

0

–200

–150

–100

–50

0

50

DISTORTION (ppm)

Figure 49. Thermal Hysteresis

Rev. B | Page 24 of 27

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