PIC10LF322T-EMCSQTP datasheet(184/210 Pages) MICROCHIP

184 / 210 page

PIC10(L)F320/322

DS41585A-page 184

Preliminary

 2011 Microchip Technology Inc.

TABLE 24-6:

PIC10(L)F320/322 A/D CONVERTER (ADC) CHARACTERISTICS:

TABLE 24-7:

PIC10(L)F320/322 A/D CONVERSION REQUIREMENTS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

 TA  +125°C

Param

No.

Sym.

Characteristic

Min.

Typ†

Max.

Units

Conditions

AD01

Resolution

—

bit

AD02

EIL

Integral Error

—

±1.7

LSb VREF = 3.0V

AD03

EDL

Differential Error

—

±1

LSb No missing codes

VREF = 3.0V

AD04

EOFF Offset Error

—

±2.5

LSb VREF = 3.0V

AD05

EGN

Gain Error

—

±2.0

LSb VREF = 3.0V

AD06

VREF Reference Voltage(3)

1.8

—

VDD

VVREF = (VREF+ minus VREF-) (Note 5)

AD07

VAIN

Full-Scale Range

VSS

—VREF

AD08

ZAIN

Recommended Impedance of

Analog Voltage Source

——

 Can go higher if external 0.01F capacitor is

present on input pin.

These parameters are characterized but not tested.

†

Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

Note 1:

Total Absolute Error includes integral, differential, offset and gain errors.

The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.

ADC VREF is from external VREF, VDD pin or FVR, whichever is selected as reference input.

When ADC is off, it will not consume any current other than leakage current. The power-down current specification

includes any such leakage from the ADC module.

FVR voltage selected must be 2.048V or 4.096V.

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

 TA  +125°C

Param

No.

Sym.

Characteristic

Min.

Typ†

Max.

Units

Conditions

AD130* TAD

A/D Clock Period

1.0

—

9.0

sTOSC-based

A/D Internal FRC Oscillator

Period

1.0

1.6

6.0

s

ADCS<1:0> = 11 (ADRC mode)

AD131

TCNV

Conversion Time (not including

Acquisition Time)(1)

—9.5

—

TAD

Set GO/DONE bit to conversion

complete

AD132* TACQ

Acquisition Time

—

5.0

—

s

These parameters are characterized but not tested.

†

Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

Note 1:

The ADRES register may be read on the following TCY cycle.

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