參數資料
型號: AD9852ASVZ
廠商: Analog Devices Inc
文件頁數: 9/52頁
文件大小: 0K
描述: IC DDS SYNTHESIZER CMOS 80-TQFP
產品培訓模塊: 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
標準包裝: 1
分辨率(位): 12 b
主 fclk: 300MHz
調節(jié)字寬(位): 48 b
電源電壓: 3.14 V ~ 3.47 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 80-TQFP 裸露焊盤
供應商設備封裝: 80-TQFP-EP(12x12)
包裝: 托盤
配用: AD9852/PCBZ-ND - BOARD EVAL FOR AD9852
AD9852
Rev. E | Page 17 of 52
TUNING
WORD
LOOP
FILTER
PHASE
COMPARATOR
REFERENCE
CLOCK
RF FREQUENCY
OUT
FILTER
AD9852
DDS
DIVIDE-BY-N
VCO
00634-
029
Figure 29. Agile High Frequency Synthesizer
REFERENCE
CLOCK
50
Ω
1:1 TRANSFORMER
THAT IS, Mini-Circuits T1-1T
FILTER
50
Ω
DIFFERENTIAL
TRANSFORMER-COUPLED
OUTPUT
AD9852
DDS
IOUT
0
063
4-
030
Figure 30. Differential Output Connection for Reduction of Common-Mode Signals
μPROCESSOR/
CONTROLLER
FPGA, ETC.
RSET
8-BIT PARALLEL OR
SERIAL PROGRAMMING
DATA AND CONTROL
SIGNALS
AD9852
CMOS LOGIC CLOCK OUT
REFERENCE
CLOCK
300MHz MAX DIRECT
MODE OR 15MHz TO 75MHz
MAX IN THE 4
× TO 20× CLOCK
MULTIPLIER MODE
2k
Ω
COSINE
DAC
NOTES
1. IOUT = APPROXIMATELY 20mA MAX WHEN RSET = 2kΩ.
2. SWITCH POSITION 1 PROVIDES COMPLEMENTARY
SINUSOIDAL SIGNALS TO THE COMPARATOR TO
PRODUCE A FIXED 50% DUTY CYCLE FROM THE
COMPARATOR.
3. SWITCH POSITION 2 PROVIDES A USER-PROGRAMMABLE
DC THRESHOLD VOLTAGE TO ALLOW SETTING OF THE
COMPARATOR DUTY CYCLE.
LOW-PASS
FILTER
LOW-PASS
FILTER
CONTROL
DAC
1
2
00634-031
Figure 31. Frequency Agile Clock Generator Applications for the AD9852
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