SFP Laser Controller and Diagnostic IC

General Description The DS1864 is an SFF-8472 multisource agreement (MSA)-compliant laser controller/monitor that is ideal for SFP optical-transceiver module designs. It controls laser driver bias and modulation currents through a pair of temperature-controlled current-sink DACs. System diagnos

SFP激光控制器与诊断IC

DS1864是一款符合SFF-8472多源协议(MSA)的激光控制器/监视器，可理想用于SFP光学收发器模块设计。它通过一对温控电流吸收DAC控制激光驱动器的偏置和调制电流。通过监测三个模拟输入、VCC及内部温度传感器的温度，可以实现系统诊断。器件还包含SFF-8472 MSA所需的全部EEPROM，包括A0h和A2h的所有EEPROM空间。DS1864的存储器映像可被设置为与DS1852/DS1856、DS1859的存储器映像兼容。另外，存储器还受到用户设置的两级密码的保护。\n视力保护特性由三个快速翻转比较器来实现，这些比较器用来监测传输功率高、传输功率低以及偏置电流。在视力受到威胁时，快 • 与SFF-8472 MSA兼容 \n• 五个监测通道(温度, VCC、MON1、MON2、MON3) \n• 三个外部模拟输入(MON1、MON2、MON3)支持内部和外部校准 \n• 增强的RSSI监测(26dB范围内，精度0.5dB) \n• 外部模拟输入的动态范围可调整 \n• 所有检测通道都有内部Direct-to-Digital实现过热检测报警和报警标记 \n• 两个线性8位电流吸收DAC \n• 两个用户可选的满量程范围(0.5mA或1.5mA) \n• 每2°C改变一次输出值 \n• 用于视觉保护的三个快速翻转比较器(监测Tx功率高, Tx功率低以及偏置电流) \n• 灵活的;

SFP Laser Controller and Diagnostic IC

文件：644.52 Kbytes Page：72 Pages

SFP Laser Controller and Diagnostic IC

General Description The DS1864 is an SFF-8472 multisource agreement (MSA)-compliant laser controller/monitor that is ideal for SFP optical-transceiver module designs. It controls laser driver bias and modulation currents through a pair of temperature-controlled current-sink DACs. System diagnos

SFP Laser Controller and Diagnostic IC

文件：644.52 Kbytes Page：72 Pages

SFP Laser Controller and Diagnostic IC

文件：644.52 Kbytes Page：72 Pages

封装/外壳：28-WFQFN 裸露焊盘 包装：卷带（TR） 描述：IC LASER CTRLR 1CHAN 5.5V 28TQFN 集成电路（IC） 激光驱动器

封装/外壳：28-WFQFN 裸露焊盘 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC LASER CTRLR 5.5V 28TQFN 集成电路（IC） 激光驱动器

Complete Dual 18-Bit Audio DAC

PRODUCT DESCRIPTION The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components. Two complete signal channels are included. This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry. The m

Complete Dual 18-Bit Audio DAC

PRODUCT DESCRIPTION The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components. Two complete signal channels are included. This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry. The m

Complete Dual 18-Bit Audio DAC

PRODUCT DESCRIPTION The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components. Two complete signal channels are included. This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry. The m

Complete Dual 18-Bit Audio DAC

PRODUCT DESCRIPTION The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components. Two complete signal channels are included. This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry. The m

Complete Dual 18-Bit Audio DAC

PRODUCT DESCRIPTION The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components. Two complete signal channels are included. This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry. The m