User Manual

MCP2551
DS21667F-page 10 © 2010 Microchip Technology Inc.
Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]
D18 V
DIFF(d)(i)
Dominant differential
input voltage
0.9 5.0 V
-2V < V(
CANL, CANH) < +7V
(Note 3)
1.0 5.0 V
-12V < V(
CANL, CANH) < +12V
(Note 3)
D19 V
DIFF(h)(i) Differential input hysteresis 100 200 mV See Figure 2-3 (Note 1)
D20 RIN
CANH, CANL Common-
mode input resistance
550kW
D21 RIN(d)
Deviation between CANH
and CANL Common-mode
input resistance
-3 +3 % VCANH = VCANL
Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]
D22 RDIFF Differential input resistance 20 100 kW
D24 ILI
CANH, CANL input leakage
current
—150 µA
V
DD < VPOR;
V
CANH = VCANL = +5V
Transmitter Data Input (TXD)
D25 V
IH High-level input voltage 2.0 VDD V Output Recessive
D26 VIL Low-level input voltage VSS +0.8 V Output Dominant
D27 IIH High-level input current -1 +1 µA VTXD = VDD
D28 IIL Low-level input current -100 -400 µA VTXD = 0V
Receiver Data Output (RXD)
D31 V
OH High-level output voltage
0.7 V
D
D
—VIOH = 8 mA
D32 VOL Low-level output voltage — 0.8 V IOL = 8 mA
Voltage Reference Output (VREF)
D33 VREF Reference output voltage
0.45 V
DD
0.55 VD
D
V-50µA < IVREF < 50 µA
Standby/Slope-Control (R
S pin)
D34 V
STB
Input voltage for standby
mode
0.75 V
DD
—V
D35 I
SLOPE Slope-control mode current -10 -200 µA
D36 VSLOPE Slope-control mode voltage
0.4 V
D
D
0.6 VDD V
Thermal Shutdown
D37 T
J
(sd)
Shutdown junction
temperature
155 180
o
C
Note 1
D38 T
J
(h)
Shutdown temperature
hysteresis
20 30
o
C
-12V < V(
CANL, CANH) < +12V
(Note 3)
2.2 DC Characteristics (Continued)
DC Specifications (Continued)
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
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.