PIC18F23K22-ESLASHML datasheet(439/492 Pages) MICROCHIP

439 / 492 page

 2010 Microchip Technology Inc.

Preliminary

DS41412B-page 439

PIC18(L)F2X/4XK22

27.10 Analog Characteristics

TABLE 27-1:

COMPARATOR SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated)

Param

No.

Sym

Characteristics

Min

Typ

Max

Units

Comments

CM01

VIOFF

Input Offset Voltage

—

High-Power mode

—

Low-Power mode

CM02

VICM

Input Common-mode Voltage

—

VDD

CM03

CMRR

Common-mode Rejection Ratio

—

CM04

TRESP

Response Time

—

200

High-Power mode(1)

—

300

Low-Power mode

CM05

TMC2OV

Comparator Mode Change to

Output Valid*

——

s

These parameters are characterized but not tested.

Note 1:

Response time measured with one comparator input at VDD/2, while the other input transitions from VSS to VDD.

TABLE 27-2:

DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated)

Param

No.

Sym

Characteristics

Min

Typ

Max

Units

Comments

CV01*

CLSB

Step Size(2)

—VDD/32

—

CV02*

CACC

Absolute Accuracy

—

1/2

LSb

CV03*

Unit Resistor Value (R)

—



CV04*

CST

Settling Time(1)

——

s

These parameters are characterized but not tested.

Note 1:

Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.

See Section 22.0 “Digital-to-Analog Converter (DAC) Module” for more information.

TABLE 27-3:

FIXED VOLTAGE REFERENCE (FVR) SPECIFICATIONS

Operating Conditions: 1.8V < VDD < 3.6V, -40°C < TA < +125°C (unless otherwise stated)

VR Voltage Reference Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

 TA  +125°C

Param

No.

Sym

Characteristics

Min

Typ

Max

Units

Comments

VR01

VROUT

VR voltage output

0.92

1.024

1.13

1x output, VDD 1.8V

1.84

2.048

2.26

2x output, VDD 2.5V

3.70

4.096

4.50

4x output, VDD 4.75V

VR04*

TSTABLE

Settling Time

—

100

s

0 to 125°C

* These parameters are characterized but not tested.

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