Interface-ASM9048S

ASM9048S是厦门国科安芯科技有限公司推出的4通道的LVDS接收器，专为需要超低功耗和高数据速率的应用而设计。ASM9048S能够接收四个低差分输入LVDS信号，转换为LVCMOS输出，数据速率高达500Mbps(250MHz)。ASM9048S具备集成的终端电阻(典型值100Ω)。内置开路、短路等失效保护电路。所有失效条件下接收器的输出为高。EN和EN*引脚一起控制三态输出，同时使能四个接收器。器件具备高传输速率、宽工作温度范围、抗辐照加固设计等优势，广泛适用于商业航天、核电站等对信号转换可靠性要求高的场景。

Product Details 典型应用 Product Manual

Product Details

>500Mbps(250MHz)转换速率
100ps传播延时(典型值)
单端3.3V供电
提供输入开路、短路等失效保护功能
引脚简化PCB布局
封装: TSSOP16
SEU: ≥37MeV.cm²/mg或10−5次/器件.天（商业航天级）
SEL: ≥37MeV.cm²/mg（商业航天级）
TID: ≥100krad（Si）（商业航天级）

封装类型：TSSOP16

代码	尺寸（毫米）		尺寸（英寸）
代码	最小值	最大值	最小值	最大值
A(1)		1.200		0.047
A1	0.050	0.150	0.002	0.006
A2	0.800	1.050	0.031	0.041
b	0.190	0.300	0.007	0.012
c	0.090	0.200	0.004	0.008
D(1)	4.860	5.100	0.191	0.201
E(1)	4.300	4.500	0.169	0.177
E1	6.200	6.600	0.244	0.260
e	0.650(BSC)(2)		0.026(BSC)(2)
L	0.500	0.700	0.02	0.028
H	0.250TYP		0.010TYP
θ	1°	7°	1°	7°

备注1：不包括每侧最大0.15毫米的塑料或金属突出物。

备注2：BSC（中心基本间距），“基本”间距是标称间距。

抗辐照：

SEU: ≥37MeV.cm²/mg或10−5次/器件.天（商业航天级）
SEL: ≥37MeV.cm²/mg（商业航天级）
TID: ≥100krad（Si）（商业航天级）

典型应用

星载SAR合成孔径雷达载荷

SAR的射频采集板、ADC板与星载FPGA信号处理板之间，海量原始回波数据传输。ASM9048S在该应用中有如下优势：
高速传输原始雷达采样数据，差分LVDS抗空间电磁干扰能力更强；
抗单粒子效应，防止空间重离子、质子造成通信误码、锁死；
开路保护：在轨线缆振动、焊点失效时不会输出乱码，避免FPGA逻辑崩溃。

星载光学遥感相机

相机焦面板（CMOS/CCD探测器）输出高速图像数据，通过LVDS送到星上处理单元。遥感图像数据量大，必须高速稳定传输。ASM9048S接收图像数据流，保证图像帧完整，不会因为空间辐射丢帧、错帧。

星间激光通信、射频通信载荷

激光通信接收单元、射频接收机采集的高速基带数据，实现板内跨模块传输，卫星姿控单元（星敏感器）高速图像数据回传。

星载计算机内部板卡互联

星载FPGA、星上处理器之间高速数据交互，星内背板/板间高速接口通信。

核岛就地辐射监测系统、中子剂量探测阵列

多通道探测器阵列采集大量辐射脉冲数据，前端采集板把信号编码成LVDS高速差分信号，通过屏蔽线缆传输到后端信号处理板，ASM9048S在后端板接收高速数据。差分LVDS抗核岛强电磁噪声，保证微弱辐射测量数据传输可靠。

反应堆保护系统（RPS）、安全设施数据采集单元

核安全级采集板卡之间高速数据交互，温度、压力、液位、辐射剂量等多路传感数据汇聚。

Product Manual

ASM9048S数据手册V1.0.pdf

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