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DS1873T+TR

更新时间： 2024-02-22 14:47:27
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
85页 1270K
描述
SFP+ Controller with Analog LDD Interface

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中文翻译

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DS1873T+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：QFN
包装说明：HVQCCN,针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：19 weeks
风险等级：5.06模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：S-XQCC-N28JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：95 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 mm最大供电电压 (Vsup)：3.9 V
最小供电电压 (Vsup)：2.85 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

DS1873T+TR 数据手册

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19-4986; Rev 0; 9/09  
SFP+ Controller with Analog LDD Interface  
DS1873  
General Description  
Features  
The DS1873 controls and monitors all functions for SFF,  
SFP, and SFP+ modules including all SFF-8472 func-  
tionality. The DS1873 provides APC loop, modulation  
current control, and eye safety functionality. The  
DS1873 continuously monitors for high output current,  
high bias current, and low and high transmit power to  
ensure that laser shutdown for eye safety requirements  
are met without adding external components.  
♦ Meets All SFF-8472 Control and Monitoring  
Requirements  
♦ Six Analog Monitor Channels: Temperature, V  
MON1–MON4  
,
CC  
MON1–MON4 Support Internal and External  
Calibration  
Scalable Dynamic Range  
Internal Direct-to-Digital Temperature Sensor  
Alarm and Warning Flags for All Monitored  
Channels  
Six ADC channels monitor V , temperature, and four  
CC  
external monitor inputs (MON1–MON4) that can be  
used to meet all monitoring requirements. MON3 is dif-  
♦ Four 10-Bit Delta-Sigma Outputs with 36 Entry  
Temperature LUTs  
ferential with support for common mode to V . Two  
CC  
digital-to-analog (DAC) outputs with temperature-  
indexed lookup tables (LUTs) are available for addition-  
al monitoring and control functionality.  
Laser Bias Controlled by APC Loop and  
Temperature LUT to Compensate for Tracking  
Error  
Laser Modulation Controlled by 72-Entry  
Temperature LUT  
Two Additional DACs Controlled by One  
72-Entry and One 36-Entry Temperature LUT  
Applications  
SFF, SFP, and SFP+ Transceiver Modules  
Pin Configuration  
♦ Digital I/O Pins: Five Inputs, Five Outputs  
♦ Comprehensive Fault-Measurement System with  
Maskable Laser Shutdown Capability  
TOP VIEW  
♦ Flexible, Two-Level Password Scheme Provides  
Three Levels of Security  
21 20 19 18 17 16 15  
♦ 120 Bytes of Password-1 Protected Memory  
14  
13  
REFIN 22  
N.C. 23  
MON1  
♦ 128 Bytes of Password-2 Protected Memory in  
MON3N  
Main Device Address  
12 MON3P  
24  
25  
26  
27  
28  
DAC1  
DAC2  
♦ 256 Additional Bytes Located at A0h Slave  
Address  
MON4  
TXDOUT  
RSEL  
11  
10  
9
DS1873  
2
♦ I C-Compatible Interface  
V
CC  
♦ +2.85V to +3.9V Operating Voltage Range  
♦ -40°C to +95°C Operating Temperature Range  
♦ 28-Pin TQFN (5mm x 5mm) Package  
LOSOUT  
OUT1  
*EP  
6
+
8
GND  
1
2
3
4
5
7
Ordering Information  
PART  
TEMP RANGE  
-40°C to +95°C  
-40°C to +95°C  
PIN-PACKAGE  
28 TQFN-EP*  
28 TQFN-EP*  
THIN QFN  
(5mm × 5mm × 0.8mm)  
DS1873T+  
*EXPOSED PAD.  
DS1873T+T&R  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T&R = Tape and reel.  
*EP = Exposed pad.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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中文翻译

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DS1874T+TR MAXIM

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DS1875RT+ MAXIM

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DS1875T+ MAXIM

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DS1875T+T&R MAXIM

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DS1875T+TR MAXIM

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