35.12 VREF
| Symbol | Description | Min. | Typ.✝ | Max. | Unit | Conditions |
|---|---|---|---|---|---|---|
| VVREF_2V048(1) | Internal voltage reference 2.048V | — | ±2 | — | % |
-40°C ≤ TA ≤ +85°C 2.55V ≤ VDD ≤ 5.5V |
| VVREF_1V024(1) | Internal voltage reference 1.024V | — | ±3 | — | % |
-40°C ≤ TA ≤ +85°C 1.8V ≤ VDD ≤ 5.5V |
| VVREF_2V500(1) | Internal voltage reference 2.5V |
-40°C ≤ TA ≤ +85°C 3.0V ≤ VDD ≤ 5.5V | ||||
| VVREF_4V096(1) | Internal voltage reference 4.096V |
-40°C ≤ TA ≤ +85°C 4.6V ≤ VDD ≤ 5.5V | ||||
| VVREF_1V024(1) | Internal voltage reference 1.024V | — | ±5 | — | % |
-40°C ≤ TA ≤ +125°C 1.8V ≤ VDD ≤ 5.5V |
| VVREF_2V048(1) | Internal voltage reference 2.048V |
-40°C ≤ TA ≤ +125°C 2.55V ≤ VDD ≤ 5.5V | ||||
| VVREF_2V500(1) | Internal voltage reference 2.5V |
-40°C ≤ TA ≤ +125°C 3.0V ≤ VDD ≤ 5.5V | ||||
| VVREF_4V096(1) | Internal voltage reference 4.096V |
-40°C ≤ TA ≤ +125°C 4.6V ≤ VDD ≤ 5.5V | ||||
| VVREF | Internal voltage reference | — | — | VDD- 0.4 | V | |
| tINTREF * | Delay for changing internal voltage reference | — | — | — | μs | |
| tVREF_ST * | Internal VREF Start-up Time | — | 130 | 180 | μs | |
| VVREFA | VREFA external reference input pin voltage | 1.024 | — | VDD | V | |
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✝ Data in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are not tested and are for design guidance only. * These parameters are characterized but not tested in production. Note:
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