PIC18F66K22-I/PTRSL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F66K22-I/PTRSL

64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt XLP Technology

Microchip Technology 

PIC18F87K22 FAMILY

TABLE 31-27: A/D CONVERTER CHARACTERISTICS: PIC18F87K22 FAMILY (INDUSTRIAL)

Param

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

A01

A03

A04

A06

A07

A10

A20

A21

A22

A25

A30

A50

Note

NR Resolution

—

—

12

bit VREF  5.0V

EIL Integral Linearity Error

—

±1

±6.0

LSB VREF = 5.0V

EDL Differential Linearity Error

—

±1

+3.0/-1.0 LSB VREF = 5.0V

EOFF Offset Error

—

±1

±9.0

LSB VREF = 5.0V

EGN Gain Error

—

±1

±8.0

LSB VREF = 5.0V

— Monotonicity(1)

—

—

—

— VSS  VAIN  VREF

VREF Reference Voltage Range

3

(VREFH – VREFL)

—

VDD – VSS

V

VREFH Reference Voltage High

VSS + 3.0V

—

VDD + 0.3V

V

VREFL Reference Voltage Low

VSS – 0.3V

—

VDD – 3.0V

V

VAIN Analog Input Voltage

VREFL

—

VREFH

V

ZAIN Recommended

Impedance of Analog

Voltage Source

—

—

2.5

k

IREF VREF Input Current(2)

—

—

5

A During VAIN acquisition

—

—

150

A During A/D conversion cycle

1: The A/D conversion result doesn’t decrease with an increase in the input voltage.

2: VREFH current is from the RA3/AN3/VREF+ pin or VDD, whichever is selected as the VREFH source. VREFL current is from

the RA2/AN2/VREF- pin or VSS, whichever is selected as the VREFL source.

 2011 Microchip Technology Inc.

DS39960D-page 523

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