參數(shù)資料
型號: SD014EVK
廠商: National Semiconductor
文件頁數(shù): 7/21頁
文件大?。?/td> 0K
描述: BOARD EVALUATION CLC014
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,線纜均衡器
已用 IC / 零件: CLC014
已供物品:
相關(guān)產(chǎn)品: CLC014AJE-TR13-ND - IC CABLE EQUALIZER ADAPT 14-SOIC
CLC014AJE-ND - IC CABLE EQUALIZER ADAPTV 14SOIC
OBSOLETE
SNLS010E – JUNE 1998 – REVISED APRIL 2013
Figure 24. Typical Measurement Block
Troubleshooting with scope probes can affect the equalization. For high data rates, use a low capacitance
probe with less than 2 pF probe capacitance. Evaluation boards and literature are available for quick prototyping
and evaluation of the CLC014 Adaptive Cable Equalizer. The CLC014 contains CMOS devices and operators
should use grounding straps when handling the parts.
Figure 25 shows the CLC014's internal power supply routing. Bypass VCC (pin 4) by:
Monolithic capacitor of about 0.1
μF placed less than 0.1” (3mm) from the pin
Tantalum capacitor of about 6.8
μF for large current signal swings placed as close as convenient to the
CLC014
Figure 25. Power Package Routing Fixture
To minimize ringing at the CLC014's inputs, place a 100
resistor in series with the input. This resistor reduces
inductance effects.
Several layout techniques can improve high speed performance:
Keep input, output and AEC traces well separated
Use balanced input termination's
Avoid routing traces close to the CLC014's input trace
Maintain common return points for components
Use guard traces
Copyright 1998–2013, Texas Instruments Incorporated
15
Product Folder Links: CLC014
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