PIC16F916ESLASHP301 datasheet(245/272 Pages) MICROCHIP

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Preliminary

DS41250E-page 243

PIC16F917/916/914/913

TABLE 19-15: PIC16F917/916/914/913 A/D CONVERTER CHARACTERISTICS:

FIGURE 19-17:

PIC16F917/916/914/913 A/D CONVERSION TIMING (NORMAL MODE)

Standard Operating Conditions (unless otherwise stated)

Operating Temperature -40°C

≤ TA ≤ +125°C

Param

No.

Sym.

Characteristic

Min.

Typ†

Max.

Units

Conditions

A01

Resolution

—

10 bits

bits

A03

EIL

Integral Error

—

<±1LSb VREF = 5.0V

A04

EDL

Differential Error

—

<±1

LSb

No missing codes to 10 bits

VREF = 5.0V

A06

EOFF

Offset Error

—

<±1LSb VREF = 5.0V

A07

EGN

Gain Error

—

<±1LSb VREF = 5.0V

A10

—

Monotonicity

—

assured(1)

——

VSS

≤ VAIN ≤ VREF+

A20

VREF

Reference Voltage

(VREF+ – VREF-)

2.5

—

VDD

Full 10-bit accuracy

A21

VREF+ Reference Voltage High

VDD – 2.5V

—

VDD + 0.3V

A22

VREF-

Reference Voltage Low

VSS – 0.3V

—

VREF+ -2V

A25

VAIN

Analog Input Voltage

VSS – 0.3V

—

VREF+ +0.3V

A30

ZAIN

Recommended Imped-

ance of Analog Voltage

Source

——

A50

IREF

VREF Input Current (2)

——

±5

±150

μA

During VAIN acquisition.

During A/D conversion cycle.

These parameters are characterized but not tested.

†

Data in ‘Typ’ column is at 5.0V, 25

°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

Note 1:

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

VREF+ current is from RA3/AN3/C1+/VREF+/SEG15 pin or VDD, whichever is selected as the VREF+ source.

VREF- current is from RA2/AN2/C2+/VREF-/COM2 pin or VSS, whichever is selected as the VREF- source.

131

130

132

BSF ADCON0, GO

A/D CLK

A/D Data

ADRES

ADIF

Sample

OLD_DATA

Sampling Stopped

DONE

NEW_DATA

Note 1:

If the A/D clock source is selected as RC, a time of TCY is added before the A/D clock starts. This allows the

SLEEP

instruction to be executed.

1 TCY

134

(TOSC/2)(1)

1 TCY

PIC16F916E/P301 Datasheet(PDF) 245 Page - Microchip Technology

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