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参数资料
| 型号： | DS1877T+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/65页 |
| 文件大小： | 0K |
| 描述： | IC CTLR/MON SFP 1-2CH 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | SFP+ 控制器 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | I²C |
| 电流 - 电源： | 2.5mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 托盘 |
| 其它名称： | 90-1877T+000 |
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SFP Controller for Dual Rx Interface
DS1877
19-5188; Rev 1; 4/10
General Description
The DS1877 controls and monitors all functions for SFF,
SFP, and SFP+ modules including all SFF-8472 func-
tionality. The device supports all LOS functions for two
receivers, and continually monitors for LOS of either
channel. Four ADC channels monitor VCC, temperature,
and two differential external monitor inputs that can be
used to meet all monitoring requirements. Two digital-
to-analog converter (DAC) outputs with temperature-
indexed lookup tables (LUTs) are available for additional
monitoring and control functionality.
Applications
SFF, SFP, and SFP+ Transceiver Modules
Dual Rx Video SFPs
Ordering Information
Features
S
Meets All SFF-8472 Control and Monitoring
Requirements
S
Four Analog Monitor Channels: Temperature,
VCC, RSSI1, RSSI2
RSSI1 and RSSI2 Support Internal and External
Calibration
Differential Input
Common-Mode Range from GND to VCC
Scalable Dynamic Range
Internal Direct-to-Digital Temperature Sensor
Alarm and Warning Flags for All Monitored
Channels
S
Two 10-Bit Delta-Sigma Outputs
Each Controlled by 72-Entry Temperature LUT
S
Digital I/O Pins: Four Inputs, Four Outputs
S
Comprehensive Loss-of-Signal (LOS) Detection
System
S
Flexible, Two-Level Password Scheme Provides
Three Levels of Security
S
120 Bytes of Password-1 Protected Memory
S
128 Bytes of Password-2 Protected Memory in
Main Device Address
S
256 Additional Bytes Located at A0h Slave
Address
S
Receiver 1 is Accessed at A2h Slave Address
S
Receiver 2 is Accessed at B2h Slave Address
S
I2C-Compatible Interface
S
+2.85V to +3.9V Operating Voltage Range
S
-40NC to +95NC Operating Temperature Range
S
28-Pin TQFN (5mm x 5mm x 0.75mm) Package
+Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
DS1877T+
-40NC to +95NC
28 TQFN-EP*
DS1877T+T&R
-40NC to +95NC
28 TQFN-EP*
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1877T+ | 功能描述:ADC / DAC多通道 SFP+ Controller w/ Dual RX Interface RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| DS1877T+T&R | 制造商:Maxim Integrated Products 功能描述:SFP CTRLR FOR DUAL RX INTERFACE TQF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTLR/MON SFP 1-2CH 28TQFN |
| DS1877T+T&R | 功能描述:ADC / DAC多通道 SFP+ Controller w/ Dual RX Interface RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| DS1877T+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP Controller for Dual Rx Interface |
| DS1878 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP+ Controller with Digital LDD Interface |
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