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DS2480B/T&R PDF预览

DS2480B/T&R

更新时间： 2024-01-16 13:24:16
品牌 Logo 应用领域
美信 - MAXIM 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
32页 478K
描述
Line Driver, 1 Func, 1 Driver, PDSO8, 0.150 INCH, SOP-8

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DS2480B/T&R 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：0.150 INCH, SOP-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.4差分输出：NO
驱动器位数：1输入特性：STANDARD
接口集成电路类型：LINE DRIVER接口标准：EIA-232-C
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm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封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：245
认证状态：Not Qualified最大接收延迟：
座面最大高度：1.75 mm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温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

DS2480B/T&R 数据手册

 浏览型号DS2480B/T&R的Datasheet PDF文件第2页浏览型号DS2480B/T&R的Datasheet PDF文件第3页浏览型号DS2480B/T&R的Datasheet PDF文件第4页浏览型号DS2480B/T&R的Datasheet PDF文件第5页浏览型号DS2480B/T&R的Datasheet PDF文件第6页浏览型号DS2480B/T&R的Datasheet PDF文件第7页 
19-5047; 4/15  
DS2480B  
Serial to 1-Wire Line Driver  
BENEFITS AND FEATURES  
• Simplifies the Design of a Low-Cost, Universal  
RS-232 COM Port to 1-Wire® Interface  
True-Ground  
PIN ASSIGNMENT  
1
8
GND  
1-W  
NC  
RXD  
2
3
7
6
TXD  
POL  
o
o
o
Interface to an RS-232 COM Port for Reading  
and Writing 1-Wire Devices  
Works with Bipolar as well as Unipolar Logic  
Signals  
Slew Rate Controlled 1-Wire Pulldown and  
Active Pullup to Accommodate Long Lines  
and Reduce Radiation  
4
5
VDD  
VPP  
8-Pin SO (150 mil)  
o
o
Communicates at Data Rates of 9.6kbps  
(default), 19.2kbps, 57.6kbps, and 115.2kbps  
Self-Calibrating Time Base with ±5%  
Tolerance for Serial and 1-Wire  
Communication  
User-Selectable RXD/TXD Polarity  
Minimizes Component Count When  
Interfacing to 5V Based RS232 Systems or  
Directly to UARTs  
Smart Protocol Combines Data and Control  
Information Without Requiring Extra Pins  
Compatible with Optical, IR, and RF to  
RS232 Converters  
PIN DESCRIPTION  
GND  
1-W  
NC  
- Ground  
- 1-Wire Input/Output  
- No Connection  
VDD  
VPP  
- 4.5V to 5.5V  
o
- Optional EPROM  
Programming Voltage  
- RXD/TXD Polarity Select  
- Serial Data from UART  
- Serial Data to UART  
POL  
TXD  
RXD  
o
o
• Single Product Supports Various iButton® or  
ORDERING INFORMATION  
1-Wire Device Types for Easy System Integration  
TEMP  
RANGE  
PIN-  
PACKAGE  
o
o
o
o
Supports Reading and Writing at Standard  
and Overdrive Speeds  
Provides Strong Pullup to 5V for Temperature  
and EEPROM 1-Wire Devices  
Programs 1-Wire EPROM Devices with  
External 12V Power Supply  
Programmable 1-Wire Timing and Driver  
Characteristics Accommodate a Wide Range  
of Slave Device Configurations at Standard  
Speed  
PART  
DS2480B+  
-40°C to +85°C 8 SO  
DS2480B+T&R -40°C to +85°C 8 SO  
+ Denotes a lead(Pb)-free/RoHS-compliant package.  
T&R = Tape and reel.  
1-Wire and iButton are registered trademarks of  
Maxim Integrated Products, Inc.  
o Operates Over 4.5V to 5.5V from -40°C to  
+85°C  
DESCRIPTION  
The DS2480B is a serial port to 1-Wire interface chip that supports standard and overdrive speeds. It con-  
nects directly to UARTs and 5V RS232 systems. Interfacing to RS232C (±12V levels) requires a passive  
clamping circuit and one 5V to ±12V level translator. Internal timers relieve the host of the burden of  
generating the time-critical 1-Wire communication waveforms. In contrast to the DS9097(E) where a full  
character must be sent by the host for each 1-Wire time slot, the DS2480B can translate each character  
Maxim Integrated  
1
1234567...32

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