参数资料
型号: AD9835BRU
厂商: Analog Devices Inc
文件页数: 27/28页
文件大小: 0K
描述: IC DDS DAC 10BIT 50MHZ 16-TSSOP
产品培训模块: 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
标准包装: 1
分辨率(位): 10 b
主 fclk: 50MHz
调节字宽(位): 32 b
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
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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