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ATA6620 PDF预览

ATA6620

更新时间： 2024-02-13 06:32:02
品牌 Logo 应用领域
爱特美尔 - ATMEL 稳压器
页数 文件大小 规格书
19页 235K
描述
LIN ABUS TRANSCEIVER WITH INTEGRATED VOLTAGE REGULATOR

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ATA6620 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LEAD FREE, SO-8
针数：8Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.82
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.925 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.65 mm标称供电电压：13.5 V
表面贴装：YES电信集成电路类型：INTERFACE CIRCUIT
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3.8 mmBase Number Matches：1

ATA6620 数据手册

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3.7  
3.8  
Dominant Time-out Function (TXD)  
The TXD input has an internal pull-up resistor. An internal timer prevents the bus line from being  
driven permanently in the dominant state. If TXD is forced to low longer than TDOM > 4 ms, the  
LIN bus driver is switched to the recessive state. To reset this dominant time-out mode, TXD  
must be switched to high (>10 µs) before normal data transmission can be started.  
Output Pin (RXD)  
This pin reports the state of the LIN bus to the microcontroller. LIN high (recessive state) is  
reported by a high level at RXD; LIN low (dominant state) is reported by a low level at RXD. The  
output has an internal pull-up structure with typically 5 kΩ to VCC. The AC characteristics are  
measured with an external load capacitor of 20 pF.  
The output is short-circuit protected. In unpowered mode (that is, VS = 0V), RXD is switched off.  
3.9  
Enable Input Pin (EN)  
This pin controls the operation mode of the interface. After power up of VS (battery), the IC  
switches to Pre-normal mode, even if EN is low or unconnected (internal pull-down resistor). If  
EN is high, the interface is in Normal mode.  
A falling edge at EN while TXD is still high forces the device to Silent mode. A falling edge at EN  
while TXD is low forces the device to Sleep mode.  
4. Mode of Operation  
Figure 4-1. Mode of Operation  
a: VS > 5V  
b: VS < 4V  
c: Bus wake-up event  
Unpowered Mode  
VBatt = 0V  
a
b
Pre-normal Mode  
VCC: 5V/2%/50 mA with undervoltage reset  
Communication: OFF  
b
b
c
EN = 1  
c
b
Go to silent command  
EN = 0  
TXD = 1  
Silent Mode  
VCC: 5V/7%/50 mA  
with undervoltage reset  
Local wake-up event  
Normal Mode  
Communication:  
OFF  
EN = 1  
VCC: 5V/2%/50 mA  
with undervoltage reset  
Go to sleep command  
EN = 0  
TXD = 0  
Communication:  
ON  
Sleep Mode  
VCC: switched off  
Communication: OFF  
Local wake-up event  
EN = 1  
4
ATA6620 [Preliminary]  
4850A–AUTO–02/05  
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