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ISL32478EIBZ-T

更新时间： 2024-01-31 12:59:47
品牌 Logo 应用领域
瑞萨 - RENESAS 驱动信息通信管理光电二极管接口集成电路驱动器
页数 文件大小 规格书
21页 1369K
描述
Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with 16.5kV ESD; SOIC8; Temp Range: -40° to 85°C

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ISL32478EIBZ-T 技术参数

生命周期：Unknown零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：17 weeks
风险等级：5.4差分输出：YES
驱动器位数：1输入特性：SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-485-A; TIA-485-A; EIA-422
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：2
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
最小输出摆幅：0.8 V最大输出低电流：0.006 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
最大接收延迟：70 ns接收器位数：1
座面最大高度：1.75 mm子类别：Line Driver or Receivers
最大压摆率：4.5 mA最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn) - annealed
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：30
最大传输延迟：45 ns宽度：3.9 mm
Base Number Matches：1

ISL32478EIBZ-T 数据手册

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DATASHEET  
ISL32470E, ISL32472E, ISL32475E, ISL32478E  
Fault Protected, Extended Common-Mode Range, RS-485/RS-422 Transceivers  
with ±16.5kV ESD  
FN7784  
Rev 2.00  
Feb 14, 2019  
The ISL32470E, ISL32472E, ISL32475E, and ISL32478E are  
Features  
fault-protected, extended common-mode range differential  
• Fault protected RS-485 bus pins . . . . . . . . . . . . . . Up to ±60V  
transceivers that exceed the RS-485 and RS-422 standards for  
balanced communication. The RS-485 bus pins (driver outputs  
and receiver inputs) are fault protected against overvoltages  
up to ±60V and are protected against ±16.5kV ESD strikes  
without latch-up. Additionally, these transceivers operate in  
environments with common-mode voltages up to ±15V  
(exceeds the RS-485 requirement), making this fault-protected  
RS-485 family one of the most robust on the market.  
• Extended common-mode range. . . . . . . . . . . . . . . . . . . . ±15V  
larger than required for RS-485  
• 1/4 unit load for up to 128 devices on the bus  
• ±16.5kV HBM ESD protection on RS-485 bus pins  
• High transient over-voltage tolerance . . . . . . . . . . . . . . . ±80V  
• Full fail-safe (open, short, terminated) RS-485 receivers  
The transmitters (Tx) deliver an exceptional 2.5V (typical)  
differential output voltage into the RS-485 specified 54Ω load.  
This yields better noise immunity than standard RS-485 ICs or  
allows up to six 120Ω terminations in star topologies.  
• High Rx I for opto-couplers in isolated designs  
OL  
• Hot plug circuitry: Tx and Rx outputs remain three-state  
during power-up/power-down  
• RS-485 data rates. . . . . . . . . . . . . . . . . . . . . .250kbps to 15Mbps  
• Low quiescent supply current. . . . . . . . . . . . . . . . . . . . 2.3mA  
• Ultra low shutdown supply current. . . . . . . . . . . . . . . . . . 10µA  
The receiver (Rx) inputs feature a full fail-safe design that  
ensures a logic high Rx output if the Rx inputs are floating,  
shorted, or on a terminated but undriven (idle) bus. The Rx  
outputs feature high drive levels; typically, 15mA at V = 1V  
OL  
(to ease the design of opto-coupled isolated interfaces).  
Applications  
Half duplex (Rx inputs and Tx outputs multiplexed together)  
and full duplex pinouts are available. See Table 1 on page 2 for  
key features and configurations by device number.  
• Utility meters and automated meter reading systems  
• High node count RS-485 systems  
• PROFIBUS and RS-485 based field bus networks, factory  
automation  
For a fault-protected RS-485 transceiver with a ±25V extended  
common-mode range, see the ISL32490E and ISL32483E  
datasheets.  
• Security camera networks  
• Building lighting and environmental control systems  
• Industrial/process control networks  
Related Literature  
For a full list of related documents, visit our website:  
• ISL32470E, ISL32472E, ISL32475E, and ISL32478E device  
pages  
20  
15  
12  
V
= ±1V  
ID  
B
A
15  
10  
5
0
-7  
RO  
0
-15  
-5  
STANDARD RS-485  
TRANSCEIVER  
ISL3247xE  
TIME (20ns/DIV)  
FIGURE 1. EXCEPTIONAL Rx OPERATES AT >15Mbps EVEN WITH  
±15V COMMON-MODE VOLTAGE  
FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON-MODE  
RANGE vs STANDARD RS-485 DEVICES  
FN7784 Rev 2.00  
Feb 14, 2019  
Page 1 of 21  
1234567...21

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