CDCLVP2108 - 低抖动双路 1:8 通用 LVPECL 缓冲器

CDCLVP2108是TI德州仪器公司的一款差动产品，CDCLVP2108是低抖动双路 1:8 通用 LVPECL 缓冲器，本站介绍了CDCLVP2108的封装应用图解、特点和优点、功能等，并给出了与CDCLVP2108相关的TI元器件型号供参考。

CDCLVP2108 - 低抖动双路 1:8 通用 LVPECL 缓冲器 - 差动 - 时钟缓冲器 - 德州仪器

产品描述

The CDCLVP2108 is a highly versatile, low additive jitter buffer that can generate 16 copies of LVPECL clock outputs from two LVPECL, LVDS, or LVCMOS inputs for a variety of communication applications. It has a maximum clock frequency up to 2 GHz. Each buffer block consists of one input that feeds two LVPECL outputs. The overall additive jitter performance is less than 0.1 ps, RMS from 10 kHz to 20 MHz, and overall output skew is as low as 25 ps, making the device a perfect choice for use in demanding applications.

The CDCLVP2108 clock buffer distributes two clock inputs (IN0, IN1) to 16 pairs of differential LVPECL clock outputs (OUT0, OUT15) with minimum skew for clock distribution. Each buffer block consists of one input that feeds two LVPECL clock outputs. The inputs can be LVPECL, LVDS, or LVCMOS/LVTTL.

The CDCLVP2108 is specifically designed for driving 50-Ω transmission lines. When driving the inputs in single-ended mode, the LVPECL bias voltage (VAC_REF) should be applied to the unused negative input pin. However, for high-speed performance up to 2 GHz, differential mode is strongly recommended.

The CDCLVP2108 is characterized for operation from –40°C to +85°C and is available in a QFN-48, 7-mm × 7-mm package.

产品特性

Dual 1:8 Differential Buffer
Two Clock Inputs
Universal Inputs Can Accept LVPECL, LVDS, LVCMOS/LVTTL
16 LVPECL Outputs
Maximum Clock Frequency: 2 GHz
Maximum Core Current Consumption: 115 mA
Very Low Additive Jitter: <100 fs, rms in 10-kHz to 20-MHz Offset Range
2.375 V to 3.6 V Device Power Supply
Maximum Propagation Delay: 550 ps
Maximum Within Bank Output Skew: 25 ps
LVPECL Reference Voltage, VAC_REF, Available for Capacitive-Coupled Inputs
Industrial Temperature Range: –40°C to +85°C
Available in 7-mm × 7-mm QFN-48 (RGZ) Package
ESD Protection Exceeds 2 kV (HBM)

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