参数资料
型号: 935287981518
厂商: NXP SEMICONDUCTORS
元件分类: 网络接口
英文描述: DATACOM, INTERFACE CIRCUIT, PDSO14
封装: 3.90 MM, PLASTIC, MS-012, SOT108-1, SOP-14
文件页数: 8/28页
文件大小: 281K
代理商: 935287981518
TJA1054_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 24 September 2009
16 of 25
NXP Semiconductors
TJA1054
Fault-tolerant CAN transceiver
12. Test information
Vdiff =VCANH VCANL
Fig 4.
Timing diagram for dynamic characteristics
mgl424
5 V
3.2 V
2.2 V
0.7VCC
0.3VCC
0 V
5 V
1.4 V
3.6 V
0 V
2 V to VCC
VTXD
VCANL
VCANH
VCAN
VRXD
tPD(L)
tPD(H)
Termination resistors R1 (100
) are not connected to pin RTH or pin RTL for testing purposes
because the minimum load allowed on the CAN bus lines is 500
per transceiver.
The capacitive bus load of 10 nF is split into 3 equal capacitors (3.3 nF) to simulate the bus
cable.
Fig 5.
Test circuit for dynamic characteristics
mgl423
20 pF
RXD
EN
STB
TXD
WAKE
7
2
5
6
3
INH
BAT
VCC
114
10
GND
ERR
13
4
RTL
RTH
8
9
CANL
12
CANH
11
+5 V
R1
C1
C2
R1
C1
TJA1054
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