GN2010E
GN2010E 是一款集成双向 CDR、EML 激光驱动器和限幅放大器，适用于 XFP 和 SFP+ SONET、10GBase-ER/ZR 以太网和 8.5Gb/s 光纤通道应用。
它是一种高度集成、低功耗、小尺寸的器件，是小型光学模块的理想选择。
传输路径由可选的输入均衡、多速率 Tx CDR 和 EML 激光驱动器组成。接收路径由具有可编程均衡的限幅放大器、多速率 Rx CDR 和输出去加重组成。传输方向提供高度可配置的眼图成型功能，包括可独立编程的上升和下降预加重，可实现最佳的电和光输出。两个方向都提供极性反转、环回和输出静音选项。
The GN2010E has an integrated analog to digital converter, which through the serial interface, provides digital diagnostic information on supply voltage, die temperature, and transmit optical power. The GN2010E is configurable for multi-rate operation. The GN2010E also offers integrated laser safety features.
The GN2010E device is packaged in a small-outline 5mm × 5mm 32-pin, high-frequency QFN package with exposed pad. The GN2010E is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous sub-components are RoHS compliant.
功能
- Dual CDR with 8.5Gb/s, 9.95-11.3Gb/s and 10.3-11.7Gb/s reference-free operation
- Integrated laser bias and driver for electo-absorption modulators (EAMs) and modulated lasers (EMLs)
- Integrated limiting amplifier with sensitivity less than 7mV
- Digital control through I2C or SPI interface
- Programmable Jitter Transfer bandwidth
- Supports Automatic Power Control (APC) loop
- Bi-directional loopback
- Polarity invert and output available in both transmit and receive direction
- Programmable Rx output de-emphasis
- Programmable Tx output pre-emphasis
- 任务模式型眼图监视器
- PRBS Generator and Checker
- Programmable Limiting Amplifier Equalization
- Programmable Transmit Input Equalization
- Programmable Input Slice Level Adjust
- Programmable LOS with adjustable threshold and hysteresis
- Programmable Sampling Phase Adjust
- Programmable Tx Fault signalling
- Integrated analog to digital converter, which provides access to digital diagnostic information on supply voltage, die temperature, and transmit optical power
- Single 3.3V supply (+5%/-10%)
- Integrated laser safety features
- 5x5 32-pin QFN package
- -40°C to 95°C case operation
- Laser bias current up to 120mA
- Option for source or sink bias current
- Modulation swing of up to 2.5Vpp single-ended
- 2x 50? single-ended terminations
- Transmitter disable pin
- Crossing point adjustment
- Independently programmable rise and fall de-emphasis
- Jitter Optimization with Phase Adjust feature
- Optional on-chip APC loop
- Programmable Tx Fault signalling
- Programmable peaking control
- XFP & SFP+ 10Gb/s SONET optical transceivers
- XFP & SFP+ 10GBase-ER/ZR optical transceivers
- XFP & SFP+ extended-reach 8.5 Gb/s Fibre Channel transceivers
- XFP DWDM optical transceivers
应用
订购代码
- GN2010E-INE332-QFN
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资源
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在 2018 年进行了大量演示和 alpha 模块测试之后，双密度版本的四通道小型可插拔 (QFSP) 多源协议 (MSA) 模块标准有望成为新线卡的规则。QSFP-DD 热潮的隐含意义不是模块本身的物理特性，而是转向先进信令方法的趋势。十年前，QSFP28 的问世预示着使用 NRZ 信令的 25Gbps 电通道即将占据主导地位。如今，QSFP-DD 及其更庞大的表亲 —— 八进制 SFP 或 OSFP ，都使用 PAM4 信令。其用得最多的是 50Gbps 通道。但 QSFP-DD 足够灵活，可以在各种实施中使用八通道接口：25G x 8 用于 200Gbit 以太网，50G x 8 用于 400Gbit 以太网，可能还有一些早期的 100G x 8 用于预标准 800Gbit 以太网。
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