參數(shù)資料
型號: AD9835BRUZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 27/28頁
文件大?。?/td> 0K
描述: IC DDS 10BIT 50MHZ 16-TSSOP
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: 2,500
分辨率(位): 10 b
主 fclk: 50MHz
調(diào)節(jié)字寬(位): 32 b
電源電壓: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
配用: EVAL-AD9835EBZ-ND - BOARD EVALUATION FOR AD9835
AD9835
Data Sheet
Rev. A | Page 8 of 28
Pin No.
Mnemonic
Description
11, 12
PSEL0,
PSEL1
Phase Select Input. The AD9835 has four phase registers. These registers can be used to alter the value being input
to the COS ROM. The contents of the phase register are added to the phase accumulator output, the PSEL0 and
PSEL1 inputs selecting the phase register to be used. Alternatively, the phase register to be used can be selected
using the PSEL0 and PSEL1 bits. Like the FSELECT input, PSEL0 and PSEL1 are sampled on the rising MCLK edge.
Therefore, these inputs need to be in steady state when an MCLK rising edge occurs or there is an uncertainty of
one MCLK cycle as to when control is transferred to the selected phase register. When the phase registers are
being controlled by the PSEL0 and PSEL1 bits, the pins should be tied to DGND.
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