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)： 8/20頁
文件大?。?/td> 364K
代理商： MCP2551
MCP2551
DS21667C-page 8
Preliminary
2002 Microchip Technology Inc.
2.2
DC Characteristics
DC Specifications
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
Supply:
D1
I
DD
Supply Current
—
75
mA
Dominant; V
TXD
= 0.8V; V
DD
D2
—
10
mA
Recessive; V
TXD
= +2V;
R
S
= 47 k
-40°C
≤
T
AMB
≤
+85°C,
Standby;
(Note 2)
-40°C
≤
T
AMB
≤
+125°C,
Standby;
(Note 2)
D3
—
365
μA
—
465
μA
D4
V
PORH
High-level of the power-on reset
comparator
3.8
4.3
V
CANH, CANL outputs are
active when V
DD
> V
PORH
D5
V
PORL
Low-level of the power-on reset
comparator
3.4
4.0
V
CANH, CANL outputs are not
active when V
DD
< V
PORL
D6
V
PORD
Hysteresis of power-on reset
comparator
0.3
0.8
V
Note 1
Bus Line (CANH; CANL) Transmitter:
D7
V
CANH(r);
V
CANL(r)
CANH, CANL Recessive bus
voltage
2.0
3.0
V
V
TXD
= V
DD
; no load.
D8
I
O
(
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
V
TXD
= 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; V
DD
= 5V
40
< R
L
< 60
(Note 2)
V
CANH
= -5V
D14
I
O
(SC)(
CANH
)
CANH short-circuit output
current
—
-200
mA
D15
—
-100
(typical)
mA
V
CANH
= -40V, +40V.
(Note 1)
D16
I
O
(SC)(
CANL
)l
CANL short circuit output current
—
200
mA
V
CANL
= -40V, +40V.
(Note 1)
Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]
D17
V
DIFF
(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)
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
k
see Figure 2-4.
(Note 1)
D20
R
IN
CANH, CANL common-mode
input resistance
5
50
D21
R
IN
(d)
Deviation between CANH and
CANL common-mode input
resistance
-3
+3
%
V
CANH
= V
CANL
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.
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