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DS2482S-800+TR PDF预览

DS2482S-800+TR

更新时间： 2024-01-24 20:08:57
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
23页 441K
描述
Eight-Channel 1-Wire Master

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DS2482S-800+TR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.72其他特性：ALSO OPERATES AT 5V SUPPLY
接口集成电路类型：BUFFER OR INVERTER BASED PERIPHERAL DRIVERJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：9.9 mm
湿度敏感等级：1功能数量：8
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C输出电流流向：SOURCE
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）：260认证状态：Not Qualified
座面最大高度：1.75 mm最大供电电压：5.5 V
最小供电电压：2.9 V标称供电电压：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

DS2482S-800+TR 数据手册

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19-4932; 11/09  
DS2482-800  
Eight-Channel 1-Wire Master  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS2482-800 is an I²C to 1-Wirebridge device  
that interfaces directly to standard (100kHz max) or  
fast (400kHz max) I²C masters to perform bi-  
directional protocol conversion between the I²C  
master and any downstream 1-Wire slave devices.  
Relative to any attached 1-Wire slave device, the  
DS2482-800 is a 1-Wire master. Internal factory-  
trimmed timers relieve the system host processor  
from generating time-critical 1-Wire waveforms,  
supporting both standard and Overdrive 1-Wire  
communication speeds. To optimize 1-Wire  
waveform generation, the DS2482-800 performs  
slew-rate control on rising and falling 1-Wire edges  
and has a programmable feature to mask the fast  
presence pulse edge that some 1-Wire slave devices  
can generate. Programmable strong pullup features  
support 1-Wire power delivery to 1-Wire devices such  
as EEPROMs and sensors. The DS2482-800  
combines these features with eight independent 1-  
Wire I/O channels. The I²C slave address assignment  
is controlled by three binary address inputs, resolving  
potential conflicts with other I²C slave devices in the  
system.  
.
.
.
.
.
I²C Host Interface, Supports 100kHz and 400kHz  
I²C Communication Speeds  
1-Wire Master I/O with Selectable Active or  
Passive 1-Wire Pullup  
Provides Reset/Presence, 8-Bit, Single-Bit, and  
Three-Bit 1-Wire I/O Sequences  
Eight Channels of Independently Operated  
1-Wire I/O  
Standard and Overdrive 1-Wire Communication  
Speeds  
.
.
Slew Controlled 1-Wire Edges  
Supports Low-Impedance 1-Wire Strong Pullup  
for EEPROMs, Temp Sensors, or Other 1-Wire  
Slaves That Have Momentary High Current  
Modes  
.
.
.
Three Address Inputs for I²C Address  
Assignment  
Wide Operating Range: 2.9V to 5.5V, -40°C to  
+85°C  
16-Pin SO Package (150 mil)  
ORDERING INFORMATION  
PART  
TEMP RANGE  
-40 to +85C  
-40 to +85C  
PIN-PACKAGE  
16 SO (150 mil )  
16 SO (150 mil )  
DS2482S-800+  
DS2482S-800+T&R  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T&R = Tape and reel.  
APPLICATIONS  
.
.
.
.
.
Wireless Base Stations  
Central Office Switches  
PBXs  
Rack-Based Servers  
Medical Clinical Diagnostic Equipment  
PIN CONFIGURATION  
IO3  
SCL  
SDA  
VCC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
IO2  
IO1  
IO0  
GND  
IO4  
IO5  
IO6  
IO7  
TYPICAL OPERATING CIRCUIT  
NC  
AD2  
AD1  
AD0  
1-Wire is a registered trademark of Maxim Integrated Products, Inc.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
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