SN65LVDS20 - 4Gbps PECL 至 LVDS 转换器

SN65LVDS20是TI德州仪器公司的一款中继器/缓冲器产品，SN65LVDS20是4Gbps PECL 至 LVDS 转换器，本站介绍了SN65LVDS20的封装应用图解、特点和优点、功能等，并给出了与SN65LVDS20相关的TI元器件型号供参考。

SN65LVDS20 - 4Gbps PECL 至 LVDS 转换器 - 中继器/缓冲器 - LVDS/M-LVDS/ECL/CML - 德州仪器

产品描述

The SN65LVDS20 and SN65LVP20 are a high-speed differential receiver and driver connected as a repeater. The receiver accepts low-voltage positive-emitter-coupled logic (PECL) at signaling rates up to 4 Gbps and repeats it as either an LVDS or PECL output signal. The signal path through the device is differential for low radiated emissions and minimal added jitter.

The outputs of the SN65LVDS20 are LVDS levels as defined by TIA/EIA-644-A. The outputs of the SN65LVDP20 are compatible with low-voltage PECL levels. A low-level input to EN enables the outputs. A high-level input puts the output into a high-impedance state. Both outputs are designed to drive differential transmission lines with nominally 100- characteristic impedance.

Both devices provide a voltage reference (VBB) of typically 1.35 V below VCC for use in receiving single-ended PECL input signals. When not used, VBB should be unconnected or open.

All devices are characterized for operation from -40°C to 85°C.

产品特性

Low-Voltage PECL Input and Low-Voltage PECL or LVDS Outputs
Signaling Rates to 4 Gbps or Clock Rates to 2 GHz
- 120-ps Output Transition Times
- Less than 45 ps Total Jitter
- Less than 630 ps Propagation Delay Times
2.5-V or 3.3-V Supply Operation
2-mm x 2-mm Small-Outline No-Lead Package
APPLICATIONS
- PECL-to-LVDS Translation
- Data or Clock Signal Amplification

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