MCP25612FD datasheet(6/26 Pages) MICROCHIP

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MCP25612FD

DS20005409A-page 6

 2015 Microchip Technology Inc.

Bus Line Transmitter (CANHx, CANLx)

CANHx, CANLx:

Recessive Bus Output Voltage

VO(R)

2.0

0.5 VDDX

3.0

VTXDX = VDDX; no load

CANHx, CANLx:

Bus Output Voltage in Standby

VO(S)

-0.1

0.0

+0.1

STBYx = VTXDX =VDDX; no load

Recessive Output Current

IO(R)

-5

—

mA -24V < VCAN < +24V

CANHx: Dominant

Output Voltage

VO(D)

2.75

3.50

4.50

TTXDX = 0; RLX = 50 to 65Ω

CANLx: Dominant

Output Voltage

0.50

1.50

2.25

RLX = 50 to 65Ω

Symmetry of Dominant

Output Voltage

(VDDX – VCANHX – VCANLX)

VO(D)(M)

-400

+400

VTXDX = VSSX (Note 1)

Dominant: Differential

Output Voltage

VO(DIFF)

1.5

2.0

3.0

VTXDX = VSSX; RLX = 50 to 65Ω

(see Figure 2-1 and Figure 2-3)

Recessive:

Differential Output Voltage

-120

mV VTXDX = VDDX

(see Figure 2-1 and Figure 2-3)

-500

mV VTXDX = VDDX; no load

(see Figure 2-1 and Figure 2-3)

CANHx: Short-Circuit

Output Current

IO(SC)

-120

—

mA VTXDX = VSSX; VCANHX = 0V;

CANLx: Floating

-100

—

mA Same as above, but VDDX = 5V;

TAMB = +25°C (Note 1)

CANLx: Short-Circuit

Output Current

—75

+120

mA VTXDX = VSSX; VCANLX = 18V;

CANHx: Floating

—

+100

mA Same as above, but VDDX = 5V;

TAMB = +25°C (Note 1)

Bus Line Receiver (CANHx, CANLx)

Recessive Differential

Input Voltage

VDIFFX(R)(I)

-1.0

—

+0.5

Normal mode;

-12V < V(CANHX, CANLX) < +12V

(see Figure 2-5) (Note 2)

-1.0

—

+0.4

Standby mode;

-12V < V(CANHX, CANLX) < +12V

(see Figure 2-5) (Note 2)

Dominant Differential

Input Voltage

VDIFFX(D)(I)

0.9

—

VDDX

Normal mode;

-12V < V(CANHX, CANLX) < +12V

(see Figure 2-5) (Note 2)

1.0

—

VDDX

Standby mode;

-12V < V(CANHX, CANLX) < +12V

(see Figure 2-5) (Note 2)

TABLE 2-1:

DC ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Characteristics:

Extended (E): TAMB = -40°C to +125°C; High (H): TAMB = -40°C to +150°C;

VDDX = 4.5V to 5.5V, RLX = 60Ω, CLX = 100 pF; unless otherwise specified.

Characteristic

Sym

Min

Typ

Max

Units

Conditions

Note 1:

Characterized; not 100% tested.

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

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