PIC16F882-I datasheet(264/328 Pages) MICROCHIP

264 / 328 page

PIC16F882/883/884/886/887

DS41291F-page 262

TABLE 17-7:

COMPARATOR SPECIFICATIONS

TABLE 17-8:

COMPARATOR VOLTAGE REFERENCE (CVREF) SPECIFICATIONS

TABLE 17-9:

VOLTAGE (VR) REFERENCE SPECIFICATIONS

Standard Operating Conditions (unless otherwise stated)

Operating Temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Sym.

Characteristics

Min.

Typ†

Max.

Units

Comments

CM01

VOS

Input Offset Voltage

—

± 5.0

± 10

(VDD - 1.5)/2

CM02

VCM

Input Common Mode Voltage

—

VDD - 1.5

CM03* CMRR

Common Mode Rejection Ratio

+55

—

CM04* TRT

Response Time

Falling

—

150

600

(NOTE 1)

Rising

—

200

1000

CM05* TMC2COV Comparator Mode Change to

Output Valid

——

μs

These parameters are characterized but not tested.

† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

Note 1:

Response time is measured with one comparator input at (VDD - 1.5)/2 - 100 mV to (VDD -1.5)/2 + 20 mV.

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Sym.

Characteristics

Min.

Typ†

Max.

Units

Comments

CV01*

CLSB

Step Size(2)

—

VDD/24

VDD/32

—

Low Range (VRR = 1)

High Range (VRR = 0)

CV02*

CACC

Absolute Accuracy

—

± 1/2

LSb

Low Range (VRR = 1)

High Range (VRR = 0)

CV03*

Unit Resistor Value (R)

—

CV04*

CST

Settling Time(1)

——

μs

These parameters are characterized but not tested.

† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design

guidance only and are not tested.

Note 1:

Settling time measured while VRR = 1 and VR<3:0> transitions from ‘0000’ to ‘1111’.

See Section 8.10 “Comparator Voltage Reference” for more information.

VR Voltage Reference Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Symbol

Characteristics

Min.

Typ.

Max.

Units

Comments

VR01

VROUT

VR voltage output

0.5

0.6

0.7

VR02*

TSTABLE

Settling Time

—

100*

μs

These parameters are characterized but not tested.

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