參數(shù)資料
型號: AD9857AST
廠商: ANALOG DEVICES INC
元件分類: 通信及網(wǎng)絡
英文描述: CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP80
封裝: MS-026-BEC, LQFP-80
文件頁數(shù): 18/31頁
文件大?。?/td> 551K
代理商: AD9857AST
AD9857
–18–
REV. 0
Figures 25 and 26 illustrate the Data Write and Data Read
operations on the AD9857 serial port:
t
PRE
t
SCLK
t
SCLKPWH
t
SCLKPWL
t
DSU
t
DHLD
CS
SCLK
SDIO
1ST BIT
2ND BIT
SYMBOL
DEFINITION
MIN
t
PRE
t
SCLK
t
DSU
t
SCLKPWH
t
SCLKPWL
t
DHLD
CS
SETUP TIME
PERIOD OF SERIAL DATA CLOCK
SERIAL DATA SETUP TIME
SERIAL DATA CLOCK PULSEWIDTH HIGH
SERIAL DATA CLOCK PULSEWIDTH LOW
SERIAL DATA HOLD TIME
40ns
100ns
30ns
40ns
40ns
0ns
Figure 25. Timing Diagram for Data Write to AD9857
SDO
1ST BIT
2ND BIT
SDIO
SYMBOL
DEFINITION
MAX
t
DV
DATA VALID TIME
30ns
t
DV
CS
SCLK
Figure 26. Timing Diagram for Read from AD9857
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相關代理商/技術參數(shù)
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