AMIS-42665 Datasheet, PDF (9/13 Pages) AMI SEMICONDUCTOR – High-Speed Low Power CAN Transceiver

AMIS-42665 High-Speed Low Power CAN Transceiver
Data Sheet
TxD
CANH
CANL
V_i(dif) =
V_CANH - V_CANL
RxD
t_d(TxD-BUSon)
t_pd(rec-dom)
HIGH
LOW
0,9V
0,5V
dominant
recessive
0,3 x V_CC
t_{d(TxD-BUSoff)}
t_d(BUSon-RxD)
t_pd(dom-rec)
0,7 x V_CC
t_{d(BUSoff-RxD)}
PC20040829.6
Figure 7: Timing Diagram for AC Characteristics
+5 V
100 nF
V_CC
3
TxD
1
7 ^CANH
Generator
AMIS- CANL
6
42665
RxD
4
8
30 Ω
5
2
V_SPLIT
15 pF
STB GND
6.2 kΩ
10 nF
Active Probe
6.2 kΩ
Spectrum Anayzer
30 Ω
47 nF
PC20040829.9
Figure 8: Basic Test Setup for Electromagnetic Measurement
AMI Semiconductor – Rev. 3.1, April 06
9
www.amis.com