PIC16F18446 FVR presnost interni reference

[Libor Konečný]

Menovite

MCP1501T-40E/CHY


LK

Dne 14.03.2022 v 11:52 Jan Waclawek napsal(a):
>> proc je ta presnost takova tragicka
> Lebo to je lacny jednocip (t.j. primarne digitalny IO bez trimrovania apod.)
>
>> externi reference 0.1% s cenou pod
>> 1 USD.
> Menovite?
>
> wek
>
> ----- Original Message ---------------
>
>> dekuji
>>
>> este by me zajimalo, proc je ta presnost takova tragicka a k cemu se to
>> da pouzit ?
>>
>> Kdyz dam MCU na LDO, ktere ma vyssi presnost, pak postradam duvod vyuzit
>> to FVR, nehlede na to, ze mohu pouzit externi reference 0.1% s cenou pod
>> 1 USD.
>>
>>
>> LK
>>
>> Dne 13.03.2022 v 16:51 Robert Baranka napsal(a):
>>> page 650, 40.4.11 Fixed Voltage Reference (FVR) Specifications v
>>> https://ww1.microchip.com/downloads/en/DeviceDoc/40001985B.pdf
>>>
>>> Table 40-17.
>>> Standard Operating Conditions (unless otherwise stated)
>>> Param No. Sym. Characteristic Min. Typ. † Max. Units Conditions
>>> FVR01 VFVR1 1x Gain (1.024V) -4 — +4 % VDD?2.5V, -40°C to 85°C
>>> FVR02 VFVR2 2x Gain (2.048V) -4 — +4 % VDD?2.5V, -40°C to 85°C
>>> FVR03 VFVR4 4x Gain (4.096V) -5 — +5 % VDD?4.75V, -40°C to 85°C
>>> FVR04 TFVRST FVR Start-up Time — 60 — µs
>>>
>>> robo
>>>
>>> Dňa 13. 3. 2022 o 12:16 Libor Konečný napísal(a):
>>>> Zdravim
>>>>
>>>> Nema nekdo prosim informaci, jaka je presnost internich referenci FVR
>>>> v PIC 16Fxxx?
>>>>
>>>> At hledam jak hledam, tak v PDF neni o tom zminka.
>>>>
>>>> Diky moc
>>>>
>>>> Libor
>>>>
> _______________________________________________
> HW-list mailing list  -  sponsored by www.HW.cz
> Hw-list na list.hw.cz
> http://list.hw.cz/mailman/listinfo/hw-list