6.6 Typical Characteristics

At TA = 25°C, VIN = 10V, VHET = 30V, CREF_Z = 10μF, CVDD = 1μF, (unless otherwise noted)

Figure 6-1. Long-Term Stability

Ambient Te mperature (

C)

0

10

20

30

40

50

60

70

-10

-5

0

5

10

42 Devices

Figure 6-2. VREF_Z Vs Free-Air Temperature

Figure 6-3. Temperature Drift Distribution

Initial Accuracy (mV)

0

10

20

30

40

50

60

-50

-45

-40

-35

-30

-25

-20

-15

Figure 6-4. Accuracy Distribution

Ambient Te mperature [

C]

0

10

20

30

40

50

60

70

13

15

17

Figure 6-5. Supply Current (IVDD) vs Temperature

Ambient Te mperature (

C)

0

10

20

30

40

50

60

70

0

50

100

150

200

VHET_10V

VHET_12V

VHET_24V

VHET_30V

Figure 6-6. Steady State Heater Current

IHET vs Temperature

REF80

SNAS856A – SEPTEMBER 2024 – REVISED MARCH 2025

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