MAX3762:低功耗、622Mbps限幅放大器,带有无抖动功率检测输出,用于LAN

提供15ps PWD,具有4mV输入灵敏度

The MAX3761/MAX3762 limiting amplifiers, with 4mV sensitivity and PECL data outputs, are optimized for operation in low-cost, 622Mbps, LAN/ATM LAN fiber optics applications. An integrated power detector senses the input signal's amplitude. A received-signal-strength indicator (RSSI) gives an analog indication of the power level, while the complementary loss-of-signal (LOS) outputs indicate if the input power level exceeds the programmed threshold level. The LOS threshold can be adjusted to detect signal amplitudes between 3mVP-P and 100mVP-P, providing a 15dB LOS adjustment in fiber optic receivers. The LOS outputs have 3.5dB of hysteresis, which prevents chatter when input signal levels are small. The MAX3761's LOS outputs are compatible with TTL-logic levels. The MAX3762 has PECL LOS outputs. DISABLE and LOS can be used to implement a squelch function, which turns off the data outputs when the input signal is below the programmed threshold.

关键特性
  • Chatter-Free Power Detector with Programmable Loss-of-Signal Outputs
  • 4mV Input Sensitivity
  • PECL Data Outputs
  • Single 5V Power Supply
  • 250ps Output Edge Speed
  • Low 15ps Pulse-Width Distortion
  • TTL Loss-of-Signal Interface Logic—MAX3761
  • PECL Loss-of-Signal Interface Logic—MAX3762
MAX3761、MAX3762:典型工作电路
MAX3761、MAX3762:典型工作电路
应用
  • 155Mbps LAN/ATM LAN接收器
  • 622Mbps LAN/ATM LAN接收器
数据手册DataSheet
语言下载文件备注
英文MAX3761-MAX3762.pdfRev 4; 08/2008
关键参数
Part NumberTarget Oper. Range
(Gbps)
Data Rate
(Mbps)
Data Rate
(Mbps)
VSUPPLY
(V)
ICC
(mA)
I/O TypeInput Sens.
(mV)
LOS Sens.
(mV)
Edge Speed
(ps)
Package/PinsBudgetary
Price
minmaxtypminmaxSee Notes
MAX3761<1155622525PECL43.2250QSOP/20$4.44 @1k
MAX376230QSOP/20
开发工具
质量和环境数据
相关产品
  • MAX3658:622Mbps、低噪声、高增益互阻前置放大器
  • MAX3766:622Mbps、LAN/WAN激光驱动器,带有自动功率控制及安全关断
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX3762E/D停止供货MAX3748HETE+DICE SALES,;NA引脚;DICE S;-40°C至+85°C参考数据资料
MAX3762EEP停止供货MAX3762EEP+QSOP,;20引脚;54.2mm²-40°C至+85°CRoHS/无铅:否
MAX3762EEP+生产中QSOP,;20引脚;54.2mm²-40°C至+85°CRoHS/无铅:无铅
MAX3762EEP+T生产中QSOP,;20引脚;54.2mm²-40°C至+85°CRoHS/无铅:无铅
MAX3762EEP-T停止供货MAX3762EEP+TQSOP;20引脚-40°C至+85°C参考数据资料
MAX3761-MAX3762.pdf MAX3762
MAX3762.pdf MAX3762
MAX3761-MAX3762.pdf MAX3762