User Manual

© 2010 Microchip Technology Inc. DS21667F-page 9
MCP2551
2.2 DC Characteristics
DC Specifications
Electrical Characteristics:
Industrial (I): TAMB = -40°C to +85°C VDD = 4.5V to 5.5V
Extended (E): T
AMB = -40°C to +125°C VDD = 4.5V to 5.5V
Param
No.
Sym Characteristic Min Max Units Conditions
Supply
D1
I
DD Supply Current
— 75 mA Dominant; V
TXD = 0.8V; VDD
D2 — 10 mA
Recessive; V
TXD = +2V;
R
S = 47 kW
D3
—365 µA
-40°C ≤ T
AMB
≤ +85°C, Standby;
(Note 2)
—465 µA
-40°C ≤ T
AMB
≤ +125°C,
Standby; (Note 2)
D4 V
PORH
High-level of the Power-on
Reset comparator
3.8 4.3 V
CANH, CANL outputs are active
when V
DD > VPORH
D5 VPORL
Low-level of the Power-on
Reset comparator
3.4 4.0 V
CANH, CANL outputs are not
active when V
DD < VPORL
D6 VPORD
Hysteresis of Power-on
Reset comparator
0.3 0.8 V Note 1
Bus Line (CANH; CANL) Transmitter
D7
V
CANH
(r);
VCANL
(r)
CANH, CANL Recessive
bus voltage
2.0 3.0 V VTXD = VDD; no load.
D8
IO(CANH)(reces)
I
O(CANL)(reces)
Recessive output current
-2 +2 mA
-2V < V(
CAHL,CANH) < +7V,
0V <V
DD < 5.5V
D9 -10 +10 mA
-5V < V(
CANL,CANH) < +40V,
0V <V
DD < 5.5V
D10 V
O(CANH)
CANH Dominant
output voltage
2.75 4.5 V VTXD = 0.8V
D11 V
O(CANL)
CANL Dominant
output voltage
0.5 2.25 V V
TXD = 0.8V
D12 V
DIFF(r)(o)
Recessive differential
output voltage
-500 +50 mV V
TXD = 2V; no load
D13 V
DIFF(d)(o)
Dominant differential
output voltage
1.5 3.0 V
V
TXD = 0.8V; VDD = 5V
40W < R
L < 60W (Note 2)
D14
I
O(SC)(CANH)
CANH short-circuit
output current
— -200 mA V
CANH = -5V
D15 —
-100
(typical)
mA V
CANH = -40V, +40V. (Note 1)
D16 I
O(SC)(CANL)l
CANL short-circuit
output current
—200mAV
CANL = -40V, +40V. (Note 1)
D17 VDIFF(r)(i)
Recessive differential
input voltage
-1.0 +0.5 V
-2V < V(CANL, CANH) < +7V
(Note 3)
-1.0 +0.4 V
-12V < V(
CANL, CANH) < +12V
(Note 3)
Note 1: This parameter is periodically sampled and not 100% tested.
2: I
TXD = 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.