參數(shù)資料
型號： AD9958BCPZ
廠商： ANALOG DEVICES INC
元件分類： 模擬信號調(diào)理
英文描述： 2-Channel 500 MSPS DDS with 10-Bit DACs
中文描述： SPECIALTY ANALOG CIRCUIT, QCC56
封裝： 8 X 8 MM, LEAD FREE, MO-220-VLLD-2, LFCSP-56
文件頁數(shù)： 2/40頁
文件大?。?/td> 1051K
代理商： AD9958BCPZ
AD9958
TABLE OF CONTENTS
Rev. 0 | Page 2 of 40
Features..............................................................................................1
Applications.......................................................................................1
Functional Block Diagram..............................................................1
General Description.........................................................................3
Specifications.....................................................................................4
Absolute Maximum Ratings............................................................8
ESD Caution..................................................................................8
Equivalent Input and Output Circuits.......................................8
Pin Configuration and Function Descriptions.............................9
Typical Performance Characteristics...........................................11
Application Circuits.......................................................................14
Theory of Operation......................................................................17
DDS Core.....................................................................................17
D/A Converter............................................................................17
Modes of Operation.......................................................................18
Channel Constraint Guidelines................................................18
Power Supplies............................................................................18
Single-Tone Mode ......................................................................18
Reference Clock Modes.............................................................19
Scalable DAC Reference Current Control Mode...................20
Power-Down Functions.............................................................20
Modulation Mode.......................................................................20
Modulation Using SDIO Pins for RU/RD...............................22
Linear Sweep (Shaped) Modulation Mode.............................22
Linear Sweep—No-Dwell Mode...............................................24
Sweep and Phase Accumulator Clearing Functions.............. 25
Output Amplitude Control Mode............................................ 26
Synchronizing Multiple AD9958 Devices................................... 27
Automatic Mode Synchronization........................................... 27
Manual Software Mode Synchronization................................ 27
Manual Hardware Mode Synchronization.............................. 27
I/O_Update, SYNC_CLK, and System Clock Relationships 28
Serial I/O Port................................................................................. 29
Overview ..................................................................................... 29
Instruction Byte Description.................................................... 30
Serial I/O Port Pin Description................................................ 30
Serial I/O Port Function Description...................................... 30
MSB/LSB Transfer Description................................................ 30
Serial I/O Modes of Operation................................................. 31
Register Maps.................................................................................. 34
Control Register Map ................................................................ 34
Channel Register Map............................................................... 35
Profile Register Map................................................................... 35
Control Register Descriptions...................................................... 36
Channel Select Register (CSR) ................................................. 36
Channel Function Register (CFR) Description...................... 37
Outline Dimensions....................................................................... 39
Ordering Guide .......................................................................... 39
REVISION HISTORY
9/05—Revision 0: Initial Version
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AD9958BCPZ-REEL7 功能描述:IC DDS DUAL 10BIT DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標(biāo)準(zhǔn)包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 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)
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