MCP2557FD datasheet(11/36 Pages) MICROCHIP

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 2016 Microchip Technology Inc.

DS20005533A-page 11

MCP2557FD/8FD

TABLE 2-1:

DC CHARACTERISTICS

DC Specifications

Electrical Characteristics: Unless otherwise indicated, TAMB = -40°C to +150°C;

VDD = 4.5V to 5.5V, VIO = 1.7V to 5.5V (Note 2), RL =60

CL = 100 pF; unless

otherwise specified.

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Supply

VDD Pin

Voltage Range

VDD

4.5

—

5.5

Supply Current

IDD

—2.5

Recessive; VTXD =VDD

—

Dominant; VTXD =0V

Silent Current

IDDS

—1

MCP2557FD

—1

MCP2558FD Includes IIO

Maximum Supply Current

IDDMAX

—

140

Fault condition: VTXD =VSS;

VCANH =VCANL = -5V to +18V

High Level of the POR

Comparator for VDD

VPORH

—

3.0

3.95

Note 1

Low Level of the POR

Comparator for VDD

VPORL

1.0

2.0

3.2

Note 1

Hysteresis of POR

Comparator for VDD

VPORD

0.2

0.9

2.0

Note 1

High Level of the UV

Comparator for VDD

VUVH

4.0

4.25

4.4

Low Level of the UV

Comparator for VDD

VUVL

3.6

3.8

4.0

Hysteresis of UV comparator

VUVD

—0.4

—

Note 1

VIO Pin

Digital Supply Voltage Range

VIO

1.7

—

5.5

Supply Current on VIO

IIO

—7

µA

Recessive; VTXD =VIO

—

200

400

Dominant; VTXD =0V

High Level of the POR

Comparator for VIO

VPORH_VIO

0.8

1.2

1.7

Low Level of the POR

Comparator for VIO

VPORL_VIO

0.7

1.1

1.4

Hysteresis of POR

Comparator for VIO

VPORD_VIO

—0.2

—

Bus Line (CANH; CANL) Transmitter

CANH; CANL:

Recessive Bus Output Voltage

VO(R)

2.0

0.5 VDD

3.0

VTXD = VDD; No load

Recessive Output Current

IO(R)-5—

-24V < VCAN <+24V

CANH: Dominant Output

Voltage

VO(D)

2.75

3.50

4.50

TXD =0; RL = 50 to 65



CANL: Dominant Output

Voltage

0.50

1.50

2.25

RL = 50

 to 65

Driver Symmetry

(VCANH+VCANL)/VDD

VSYM

0.9

1.0

1.1

1 MHz square wave,

Recessive and Dominant

states, and transition (Note 1)

Note 1:

Characterized; not 100% tested.

Only MCP2558FD has a VIO pin. For MCP2557FD, VIO is internally connected to VDD.

-12V to 12V is ensured by characterization, and tested from -2V to 7V.

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