MCP2551ESLASHP datasheet(8/20 Pages) MICROCHIP

8 / 20 page

MCP2551

DS21667C-page 8

Preliminary

 2002 Microchip Technology Inc.

2.2

DC Characteristics

DC Specifications

Electrical Characteristics:

Industrial (I): TAMB = -40°C to +85°C VDD = 4.5V to 5.5V

Extended (E): TAMB = -40°C to +125°C VDD = 4.5V to 5.5V

Param

No.

Sym

Characteristic

Min

Max

Units

Conditions

Supply:

IDD

Supply Current

—

Dominant; VTXD = 0.8V; VDD

—

Recessive; VTXD = +2V;

RS = 47 k

Ω

—

365

µA

-40°C

≤ TAMB ≤ +85°C,

Standby; (Note 2)

—465

µA

-40°C

≤ TAMB ≤ +125°C,

Standby; (Note 2)

VPORH

High-level of the power-on reset

comparator

3.8

4.3

CANH, CANL outputs are

active when VDD > VPORH

VPORL

Low-level of the power-on reset

comparator

3.4

4.0

CANH, CANL outputs are not

active when VDD < VPORL

VPORD

Hysteresis of power-on reset

comparator

0.3

0.8

Note 1

Bus Line (CANH; CANL) Transmitter:

VCANH(r);VCANL(r) CANH, CANL Recessive bus

voltage

2.0

3.0

VTXD = VDD; no load.

IO(CANH)(reces)

IO(CANL)(reces)

Recessive output current

-2

-2V < V(CAHL,CANH) < +7V,

0V <VDD < 5.5V

-10

+10

-5V < V(CANL,CANH) < +40V,

0V <VDD < 5.5V

D10

VO(CANH)

CANH dominant output voltage

2.75

4.5

VTXD = 0.8V

D11

VO(CANL)

CANL dominant output voltage

0.5

2.25

VTXD = 0.8V

D12

VDIFF(r)(o)

Recessive differential output

voltage

-500

+50

VTXD = 2V; no load

D13

VDIFF(d)(o)

Dominant differential output

voltage

1.5

3.0

VTXD = 0.8V; VDD = 5V

Ω < RL < 60 Ω (Note 2)

D14

IO(SC)(CANH)

CANH short-circuit output

current

—-200

VCANH = -5V

D15

—

-100

(typical)

VCANH = -40V, +40V. (Note 1)

D16

IO(SC)(CANL)l

CANL short circuit output current

—

200

VCANL = -40V, +40V. (Note 1)

Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]

D17

VDIFF(r)(i)

Recessive differential input

voltage

-1.0

+0.5

-2V < V(CANL, CANH) < +7V

(Note 3)

-1.0

+0.4

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

(Note 3)

D18

VDIFF(d)(i)

Dominant differential input

voltage

0.9

5.0

-2V < V(CANL, CANH) < +7V

(Note 3)

1.0

5.0

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

(Note 3)

D19

VDIFF(h)(i)

Differential input hysteresis

100

200

see Figure 2-4. (Note 1)

D20

RIN

CANH, CANL common-mode

input resistance

550

Ω

D21

RIN(d)

Deviation between CANH and

CANL common-mode input

resistance

-3

VCANH = VCANL

Note 1: This parameter is periodically sampled and not 100% tested.

2: ITXD = IRXD = IVREF = 0 mA; 0V < VCANL < VDD; 0V < VCANH < VDD; VRS = VDD.

3: This is valid for the receiver in all modes, High-Speed, Slope-Control and standby.

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