參數(shù)資料
型號: AD9954YSVZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 26/40頁
文件大小: 0K
描述: IC DDS DAC 14BIT 1.8V 48TQFP
產(chǎn)品培訓(xùn)模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標(biāo)準(zhǔn)包裝: 500
分辨率(位): 14 b
主 fclk: 400MHz
調(diào)節(jié)字寬(位): 32 b
電源電壓: 1.71 V ~ 1.96 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFP 裸露焊盤(7x7)
包裝: 帶卷 (TR)
配用: AD9954/PCBZ-ND - BOARD EVAL FOR 9954
AD9954
Rev. B | Page 32 of 40
LAYOUT CONSIDERATIONS
For the best performance, the following layout guidelines
should be observed. Always separate the analog power supply
(AVDD) and the digital power supply (DVDD), even if just
from two different voltage regulators driven by a common
supply. Likewise, the ground connections (AGND and DGND)
should be kept separate as far back to the source as possible (for
example, separate the ground planes on a localized board, even
if the grounds connect to a common point in the system).
Bypass capacitors should be placed as close to device pins as
possible. Usually a multitiered bypassing scheme consisting of a
small high frequency capacitor (100 pF) placed close to the
supply pin and progressively larger capacitors (0.1 μF and 10 μF)
further back to the actual supply source works best.
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