MCP2557FD datasheet(12/36 Pages) MICROCHIP

12 / 36 page

MCP2557FD/8FD

DS20005533A-page 12

 2016 Microchip Technology Inc.

Dominant: Differential Output

Voltage

VO(DIFF)(D)

1.5

2.0

3.0

VTXD = VSS; RL = 50

 to 65

(Figure 2-2, Figure 2-4)

(Note 1)

1.4

2.0

3.0

VTXD = VSS; RL = 45

 to 70

(Figure 2-2, Figure 2-4,

Section 3) (Note 1)

1.3

2.0

3.0

VTXD = VSS; RL = 40

 to 75

(Figure 2-2, Figure 2-4,

Section 3)

1.5

—

5.0

VTXD = VSS; RL = 2240



(Figure 2-2, Figure 2-4,

Section 3) (Note 1)

Recessive:

Differential Output Voltage

VO(DIFF)(R)-500

VTXD = VDD, no load

(Figure 2-2, Figure 2-4)

CANH: Short-Circuit

Output Current

IO(SC)-115

-85

—

VTXD = VSS; VCANH =-3V;

CANL: floating

CANL: Short Circuit

Output Current

—75

+115

VTXD = VSS; VCANL = +18V;

CANH: floating

Bus Line (CANH; CANL) Receiver

Recessive Differential

Input Voltage

VDIFF(R)(I)

-4.0

—

+0.5

-12V < V(CANH, CANL)< +12V;

see Figure 2-6 (Note 3)

Dominant Differential

Input Voltage

VDIFF(D)(I)

0.9

—

9.0

-12V < V(CANH, CANL)< +12V;

see Figure 2-6 (Note 3)

Differential

Receiver Threshold

VTH(DIFF)

0.5

0.7

0.9

-12V < V(CANH, CANL)< +12V;

see Figure 2-6 (Note 3)

Differential

Input Hysteresis

VHYS(DIFF)

—

200

See Figure 2-6, (Note 1)

Single Ended

Input Resistance

RCAN_H,

RCAN_L

6—



Note 1

Internal

Resistance Matching

mR=2*(RCANH-RCANL)/(RCANH+RCANL)

-3

VCANH =VCANL (Note 1)

Differential Input

Resistance

RDIFF

100



Note 1

Internal Capacitance

CIN

—

1 Mbps (Note 1)

Differential

Internal Capacitance

CDIFF

—

1 Mbps (Note 1)

CANH, CANL:

Input Leakage

ILI

-5

—

µA

VDD =VTXD =VS =0V.

For MCP2558FD, VIO =0V.

VCANH =VCANL =5 V.

Digital Input Pins (TXD, S)

High-Level Input Voltage

VIH

2.0

—

VDD +0.3

MCP2557FD

0.7 VIO

—VIO +0.3

MCP2558FD

TABLE 2-1:

DC CHARACTERISTICS (CONTINUED)

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

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.

MCP2557FD Datasheet(PDF) 12 Page - Microchip Technology

MCP2557FD Datasheet(HTML) 12 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Datasheet Download

Link URL