AD9857 Analog Devices, AD9857 Datasheet - Page 18
AD9857
Manufacturer Part Number
AD9857
Description
CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter
Manufacturer
Analog Devices
Datasheet
1.AD9857.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD9857/PCBZ
Manufacturer:
XILINX
Quantity:
501
Company:
Part Number:
AD9857AST
Manufacturer:
AD
Quantity:
5 510
Company:
Part Number:
AD9857AST
Manufacturer:
SIEMENS
Quantity:
5 510
Company:
Part Number:
AD9857AST
Manufacturer:
ADI
Quantity:
255
Part Number:
AD9857ASTZ
Manufacturer:
AD
Quantity:
20 000
AD9857
Figures 25 and 26 illustrate the Data Write and Data Read
operations on the AD9857 serial port:
SCLK
SDIO
CS
SCLK
SDIO
SDO
CS
SYMBOL
t
t
t
t
t
t
t
PRE
SCLK
DSU
SCLKPWH
SCLKPWL
DHLD
PRE
SYMBOL
t
DV
t
DSU
t
1ST BIT
SCLKPWH
DEFINITION
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
t
DHLD
DEFINITION
DATA VALID TIME
1ST BIT
t
SCLK
t
SCLKPWL
t
DV
2ND BIT
2ND BIT
MIN
40ns
100ns
30ns
40ns
40ns
0ns
MAX
30ns