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參數(shù)資料
| 型號： | AMIS42670ICAH2RG |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TRANSCEIVER CAN HS 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | CAN |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
AMIS42670
http://onsemi.com
4
FUNCTIONAL DESCRIPTION
Operating Modes
The behavior of AMIS42670 under various conditions is
illustrated in Table 3 below. In case the device is powered,
one of two operating modes can be selected through Pin S.
Table 5. FUNCTIONAL TABLE OF AMIS42670; x = don’t care
VCC
Pin TxD
Pin S
Pin CANH
Pin CANL
Bus State
Pin RxD
4.75 V to 5.25 V
0
(or Floating)
High
Low
Dominant
0
4.75 V to 5.25 V
x
1
VCC/2
Recessive
1
4.75 V to 5.25 V
1
(or Floating)
X
VCC/2
Recessive
1
VCC < PORL
(Unpowered)
x
X
0 V < CANH < VCC
0 V < CANL < VCC
Recessive
1
PORL < VCC < 4.75 V
> 2 V
X
0 V < CANH < VCC
0 V < CANL < VCC
Recessive
1
HighSpeed Mode
If Pin S is pulled low (or left floating), the transceiver is
in its highspeed mode and is able to communicate via the
bus lines. The signals are transmitted and received to the
CAN controller via the Pins TxD and RxD. The slopes on
the bus line outputs are optimized to give extremely low
electromagnetic emissions.
Silent Mode
In silent mode, the transmitter is disabled. All other IC
functions continue to operate. The silent mode is selected by
connecting Pin S to VCC and can be used to prevent network
communication from being blocked, due to a CAN
controller which is out of control.
Overtemperature Detection
A thermal protection circuit protects the IC from damage
by switching off the transmitter if the junction temperature
exceeds a value of approximately 160
°C. Because the
transmitter dissipates most of the power, the power
dissipation and temperature of the IC is reduced. All other
IC functions continue to operate. The transmitter offstate
resets when Pin TxD goes high. The thermal protection
circuit is particularly necessary when a bus line
shortcircuits.
High Communication Speed Range
The transceiver is primarily intended for industrial
applications. It allows very low baud rates needed for long
bus length applications. But also high speed communication
is possible up to 1 Mbit/s.
FailSafe Features
A currentlimiting circuit protects the transmitter output
stage from damage caused by an accidental shortcircuit to
either positive or negative supply voltage, although power
dissipation increases during this fault condition.
The pins CANH and CANL are protected from
automotive electrical transients (according to “ISO 7637”;
see Figure 3). Pin TxD is pulled high internally should the
input become disconnected.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-42670NGA | 制造商:AMI 制造商全稱:AMI 功能描述:High-Speed CAN Transceiver |
| AMIS-42671 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Speed Autobaud CAN Transceiver |
| AMIS-42671AGA | 制造商:AMI 制造商全稱:AMI 功能描述:High-Speed CAN Transceiver |
| AMIS42671ICAB1G | 功能描述:CAN 接口集成電路 HS CAN TRANSCEIVER RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| AMIS42671ICAB1RG | 功能描述:CAN 接口集成電路 HS CAN TRANSCEIVER RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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