參數(shù)資料
型號: 0ICAW-001-XTP
元件分類: 網(wǎng)絡接口
英文描述: DATACOM, INTERFACE CIRCUIT, PDSO20
封裝: 0.300 INCH, GREEN, PLASTIC, SOIC-20
文件頁數(shù): 3/16頁
文件大小: 563K
代理商: 0ICAW-001-XTP
AMIS-42770 Dual High-Speed CAN Transceiver
Data Sheet
For Long Networks
Table 6: DC and Timing Characteristics (Continued)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Thermal Shutdown
Tj(sd)
Shutdown junction temperature
150
°C
Timing Characteristics (see Figure 8:
td(Tx-BUSon)
Delay Tx0/Text to bus active
40
85
120
ns
td(Tx-BUSoff)
Delay Tx0/Text to bus inactive
30
60
115
ns
td(BUSon-RX)
Delay bus active to Rx0/Rint
25
55
115
ns
td(BUSoff-RX)
Delay bus inactive to Rx0/Rint
65
100
145
ns
td(ENxB)
Delay from EN1B to bus active/inactive
100
200
ns
td(Tx-Rx)
Delay from Tx0 to Rx0/Rint and from Text to
Rx0 (direct logical path)
15pF on the digital output
4
10
35
ns
tdom
Time out counter interval
15
25
45
ms
td(FBS)
Delay for feedback suppression release
5+
td(BUSon-RX)
300
ns
8.5 Measurement Set-ups and Definitions
Schematics are given for single CAN transceiver.
Figure 6: Test Circuit for Automotive Transients
Figure 7: Hysteresis of the Receiver
V
RxD
V
i(dif)(hys)
High
Low
0,5
0,9
PC20040829.7
Hysteresis
AMIS-42770
EN1
EN2
Text
Rx0
Tx0
7
9
2
3
10
Rint
4
CANH2
CANL1
GND
Vref
VCC
18
13
12
19
14
8
PC20071011.8
CANL2
CANH1
100 nF
+5V
5
6
15
16
17
1 nF
Transient
Generator
AMI Semiconductor
– October 2007, Rev. 1.0
11
www.amis.com
Specifications subject to change without notice
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