DM163006 datasheet(292/320 Pages) MICROCHIP

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PIC18C601/801

DS39541A-page 292

Advance Information

 2001 Microchip Technology Inc.

TABLE 22-22: A/D CONVERTER CHARACTERISTICS: PIC18C601/801 (INDUSTRIAL, EXTENDED)

PIC18LC601/801 (INDUSTRIAL)

Param

No.

Symbol

Characteristic

Min

Typ

Max

Units

Conditions

A01

Resolution

—

TBD

bit

VREF = VDD

≥ 3.0V

VREF = VDD

< 3.0V

A03

EIL

Integral linearity error

—

<±1

TBD

LSb

VREF = VDD

≥ 3.0V

VREF = VDD

< 3.0V

A04

EDL

Differential linearity error

—

<±1

TBD

LSb

VREF = VDD

≥ 3.0V

VREF = VDD

< 3.0V

A05

EFS

Full scale error

—

<±1

TBD

LSb

VREF = VDD

≥ 3.0V

VREF = VDD

< 3.0V

A06

EOFF

Offset error

—

<±1

TBD

LSb

VREF = VDD

≥ 3.0V

VREF = VDD

< 3.0V

A10

—

Monotonicity

guaranteed(3)

—

VSS

≤ VAIN ≤ VREF

A20

VREF

Reference voltage

(VREFH - VREFL)

——

A20A

——

For 10-bit resolution

A21

VREFH

Reference voltage High

AVSS

—

AVDD + 0.3 V

A22

VREFL

Reference voltage Low

AVSS - 0.3 V

—

AVDD

A25

VAIN

Analog input voltage

AVSS - 0.3 V

—

VREF + 0.3 V

A30

ZAIN

Recommended impedance of

analog voltage source

——

10.0

Ω

A40

IAD

A/D conversion

current (VDD)

PIC18C601/801

—

180

—

µA Average current

consumption when

A/D is on(1)

PIC18LC601/801

—

µA

A50

IREF

VREF input current(2)

—

1000

µA

During VAIN acquisition.

Based on differential of

VHOLD to VAIN. To

charge CHOLD, see

Section 17.0.

During A/D conversion

cycle.

Note 1: When A/D is off, it will not consume any current other than minor leakage current. The power-down current

spec includes any such leakage from the A/D module.

VREF current is from RA2/AN2/VREF- and RA3/AN3/VREF+ pins or AVDD and AVSS pins, whichever is

selected as reference input.

2: Vss

≤ VAIN ≤ VREF

3: The A/D conversion result either increases or remains constant as the analog input increases.

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