型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
DS1873 | SFP Controller with Analog LDD Interface General Description The DS1873 controls and monitors all functions for SFF, SFP, and SFP+ modules including all SFF-8472 functionality. The DS1873 provides APC loop, modulation current control, and eye safety functionality. The DS1873 continuously monitors for high output current, high bias cur 文件:1.27078 Mbytes 页数:85 Pages | Maxim 美信 | Maxim | |
DS1873 | 具有模拟LDD接口的SFP+控制器 DS1873用于控制和监测SFF、SFP和SFP+模块的全部功能,包括SFF-8472的所有功能。DS1873提供了APC环路、调制电流控制以及视觉保护等功能。DS1873持续监测大输出电流、大偏置电流以及传输功率的上限和下限,在无需外部元件的条件下确保可靠关断激光器,满足视觉保护要求。\n六个ADC通道分别监测VCC、温度和四路外部监视输入(MON1–MON4),可以满足全部监测要求。MON3为差分输入,所允许的共模范围可达VCC。同时还提供带温度查找表(LUT)的两路数/模转换(DAC)输出,用于附加的监测和控制功能。 • 满足SFF-8472的所有控制、监测要求 \n• 六路模拟监测通道:温度、VCC、MON1–MON4 \n• MON1–MON4支持内部和外部校准 \n• 可调整动态范围 \n• 内部温度传感器直接进行数字转换 \n• 所有被监测通道提供报警和告警标志 \n• 四路10位Σ-Δ输出,其LUT包含36个温度数据 \n• APC环路和温度LUT控制激光器偏置,用于补偿跟踪误差 \n• 激光调制受控于72个温度LUT \n• 两路附加DAC,分别带有72个温度数据和36个温度数据的LUT控制 \n• 数字I/O引脚:五路输入、五路输出 \n• 完整的故障管理系统,提供可屏蔽的激光器关断功能 \n; | ADI 亚德诺 | ADI | |
SFP Controller with Analog LDD Interface General Description The DS1873 controls and monitors all functions for SFF, SFP, and SFP+ modules including all SFF-8472 functionality. The DS1873 provides APC loop, modulation current control, and eye safety functionality. The DS1873 continuously monitors for high output current, high bias cur 文件:1.27078 Mbytes 页数:85 Pages | Maxim 美信 | Maxim | ||
SFP Controller with Analog LDD Interface General Description The DS1873 controls and monitors all functions for SFF, SFP, and SFP+ modules including all SFF-8472 functionality. The DS1873 provides APC loop, modulation current control, and eye safety functionality. The DS1873 continuously monitors for high output current, high bias cur 文件:1.27078 Mbytes 页数:85 Pages | Maxim 美信 | Maxim | ||
Package:28-WFQFN 裸露焊盘;包装:管件 类别:集成电路(IC) 激光驱动器 描述:IC LASER CTRLR 3.9V 28TQFN | AD 亚德诺 | AD | ||
Package:28-WFQFN 裸露焊盘;包装:卷带(TR) 类别:集成电路(IC) 激光驱动器 描述:IC LASER CTRLR 3.9V 28TQFN | AD 亚德诺 | AD |
技术参数
- ADCs:
5-Input Muxable
- Resolution(bits):
13
- DACs/ Resistors:
4 DACs
- FS Out(kΩ):
None
- Steps:
None
- Temp. Sensor:
Internal
- Memory:
EEPROM
- VSUPPLY(V):
2.85 to 3.9
- Control Interface:
I2C
- Package/Pins:
TQFN/28/
- BudgetaryPrice:
$1.75 @1k
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
13+ |
TQFN |
3738 |
原装分销 |
询价 | ||
MaximIntegrated |
24+ |
NA |
5000 |
进口原装正品优势供应 |
询价 | ||
MAXIM/美信 |
24+ |
SSOPQFN |
25050 |
原厂支持公司优势现货 |
询价 | ||
Maxim Integrated |
24+ |
28-TQFN(5x5) |
65200 |
一级代理/放心采购 |
询价 | ||
Maxim |
1931+ |
N/A |
567 |
加我qq或微信,了解更多详细信息,体验一站式购物 |
询价 | ||
MAXIM |
25+ |
QFN-28 |
3854 |
就找我吧!--邀您体验愉快问购元件! |
询价 | ||
MAXIM |
21+ |
QFN |
8020 |
只做原装,绝对现货,原厂代理商渠道,欢迎电话微信查 |
询价 | ||
MAXIM/美信 |
23+ |
QFN |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
Maxim |
22+ |
28TQFN |
9000 |
原厂渠道,现货配单 |
询价 | ||
MAXIM/美信 |
23+ |
TQFN |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
询价 |
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