AMIS-30523 Datasheet, PDF (14/35 Pages) ON Semiconductor – CAN Micro-Stepping Motor Driver

AMIS−30523
+5 V
100 nF
V_CC
TxD
RxD
20 pF
4
48 ^CANH
52
R_LT
AMIS− ₇ VSPLIT
30523
60 W
6
49
CANL
51
2
STB GND
C_LT
100 pF
Figure 9. Test Circuit for Timing Characteristics
TxD
50%
V_CANH
V_CANL
V_i(dif) = V_CANH-V_CANL
0.9V
RxD
t_d(BUSon-RxD)
t_d(TxD-BUSon)
t_d(rec-dom)
0.3V_CC
50%
V_O(dom)CANH
V_O(reces)
V_O(dom)CANL
V_i(dif)dom
t_{d(TxD-BUSoff)}
0.5V
t_{d(BUSoff-RxD)}
V_i(dif)rec
0.7V_CC
t_d(dom-rec)
PC20101012.1
Figure 10. Timing Diagram for AC Characteristics
+5 V
100 nF
V_CC
4
TxD
48 ^CANH
52
Generator
RxD
20 pF
AMIS−
49
CANL
30523
6
51
STB
30 W
7
V_SPLIT
2
GND
6.2 kW
10 nF
Active Probe
6.2 kW
30 W
Spectrum Anayzer
47 nF
Figure 11. Basic Test Set−up for EME
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