
AMIS-30660 High-Speed CAN Transceiver
Data Sheet
Table 6 : DC and Timing Characteristics (continued)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Ri(cm)(CANH)
Common-mode input resistance at pin
CANH
15
25
37
K
Ri(cm) (CANL)
Common-mode input resistance at pin CANL
15
25
37
K
Ri(cm)(m)
Matching between pin CANH and pin CANL
common-mode input resistance
VCANH =VCANL
-3
0
+3
%
Ri(dif)
Differential input resistance
25
50
75
K
Ci(CANH)
Input capacitance at pin CANH
VTxD = VCC; not tested
7.5
20
pF
Ci(CANL)
Input capacitance at pin CANL
VTxD = VCC; not tested
7.5
20
pF
Ci(dif)
Differential input capacitance
VTxD = VCC; not tested
3.75
10
pF
ILI(CANH)
Input leakage current at pin CANH
VCC = 0V; VCANH = 5V
10
170
250
A
ILI(CANL)
Input leakage current at pin CANL
VCC = 0V; VCANL = 5V
10
170
250
A
VCM-peak
Common-mode peak during transition from
dom
→ rec or rec → dom
-500
500
mV
VCM-step
Difference
in
common-mode
between
dominant and recessive state
-150
150
mV
Power-on-Reset (POR)
PORL
POR level
CANH, CANL, Vref in tri-
state below POR level
2.2
3.5
4.7
V
Thermal Shutdown
Tj(sd)
Shutdown junction temperature
150
160
180
°C
td(TxD-BUSon)
Delay TxD to bus active
Vs = 0V
40
85
130
ns
td(TxD-BUSoff)
Delay TxD to bus inactive
Vs = 0V
30
60
105
ns
td(BUSon-RxD)
Delay bus active to RxD
Vs = 0V
25
55
105
ns
td(BUSoff-RxD)
Delay bus inactive to RxD
Vs = 0V
65
100
135
ns
tpd(rec-dom)
Propagation delay TxD to RxD from
recessive to dominant
Vs = 0V
70
245
ns
td(dom-rec)
Propagation delay TxD to RxD from
dominant to recessive
Vs = 0V
100
245
ns
tdom(TxD)
TxD dominant time for time out
VTxD = 0V
250
450
750
s
8.5 Measurement Set-ups and Definitions
Figure 4: Test Circuit for Automotive Transients
AMIS-
30660
V
CC
GND
2
3
CANH
CANL
V
REF
5
6
7
PC20040918.4
S
8
RxD
4
TxD
1
1 nF
100 nF
+5 V
20 pF
1 nF
Transient
Generator
7
AMI Semiconductor
– M-20682-003, Jun 07
www.amis.com