
AMIS-42673 High Speed CAN Transceiver
Data Sheet
For Long Networks
Table 7: Characteristics (Continued)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Bus Lines (pins CANH and CANL)
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
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
Timing Characteristics (see Figures 6 and 7)
td(TxD-BUSon)
Delay TxD to bus active
40
85
110
ns
td(TxD-BUSoff)
Delay TxD to bus inactive
30
60
110
ns
td(BUSon-RxD)
Delay bus active to RxD
25
55
110
ns
td(BUSoff-RxD)
Delay bus inactive to RxD
65
100
135
ns
tpd(rec-dom)
Propagation delay TxD to RxD from
recessive to dominant
100
230
ns
td(dom-rec)
Propagation delay TxD to RxD from
dominant to recessive
100
245
ns
Note: 1) Not tested at ATE
VCC = 4.75 to 5.25V; V33 = 2.5V ± 5%; Tjunc = -40 to +150 °C; RLT = 60 unless specified otherwise.
Table 8: Digital Output Characteristics @ V33 = 2.5V
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Receiver Data Output (pin RxD)
Ioh
HIGH-level output current
VOH > 0.9 x V33
-2.6
mA
Iol
LOW-level output current
VOL < 0.1 x V33
4
mA
8.5 Measurement Set-ups and Definitions
Figure 4: Test Circuit for Automotive Transients
AMIS-
42673
GND
2
CANH
CANL
VREF
5
6
7
PC20071003.4
RxD
4
TxD
1
1 nF
20 pF
1 nF
Transient
Generator
100 nF
VCC
100 nF
+5 V
+3.3 V
V33
3
8
7
AMI Semiconductor – October 07, Rev. 1.0
www.amis.com
Specifications subject to change without notice