參數(shù)資料
型號： MCP2551
廠商： Microchip Technology Inc.
元件分類： CAN
英文描述： High-Speed CAN Transceiver
中文描述： 高速CAN收發(fā)器
文件頁數(shù)： 9/20頁
文件大小： 364K
代理商： MCP2551
2002 Microchip Technology Inc.
Preliminary
DS21667C-page 9
MCP2551
FIGURE 2-2:
TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS
Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]
D22
R
DIFF
Differential input resistance
20
100
k
μA
D24
I
LI
CANH, CANL input leakage
current
—
150
V
DD
< V
POR
;
V
CANH
= V
CANL
= +5V
Transmitter Data Input (TXD):
D25
V
IH
High-level input voltage
2.0
—
V
Output recessive
D26
V
IL
Low-level input voltage
—
+0.8
V
Output dominant
D27
I
IH
High-level input current
-1
+1
μA
V
TXD
= V
DD
D28
I
IL
Low-level input current
-100
-400
μA
V
TXD
= 0V
Receiver Data Output (RXD):
D31
V
OH
High-level output voltage
0.7
—
V
I
OH
= 8 mA
D32
V
OL
Low-level output voltage
—
0.8
V
I
OL
= 8 mA
Voltage Reference Output (V
REF
):
D33
V
REF
Reference output voltage
0.45 V
DD
0.55 V
DD
V
-50 μA < I
VREF
< 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
V
SLOPE
Slope-control mode voltage
0.4 V
DD
0.6 V
DD
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): T
AMB
= -40°C to +85°C V
DD
= 4.5V to 5.5V
Extended (E): T
AMB
= -40°C to +125°C V
DD
= 4.5V to 5.5V
Param
No.
Sym
Characteristic
Min
Max
Units
Conditions
Note
1:
2:
3:
This parameter is periodically sampled and not 100% tested.
I
TXD
= I
RXD
= I
VREF
= 0 mA; 0V < V
CANL
< V
DD
; 0V < V
CANH
< V
DD
; V
RS
= V
DD.
This is valid for the receiver in all modes, High-Speed, Slope-Control and standby.
R
S
Rext
GND
RXD
V
REF
TXD
60
100 pF
30 pF
CANH
CANL
CAN
Transceiver
Note:
R
S
may be connected to V
DD
or GND via a load resistor depending on desired operating mode
as described in Section 1.7.8, “Slope Resistor Input”.
0.1μF
V
DD
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