AD9255 Analog Devices, AD9255 Datasheet - Page 12

• Manufacturer Part Number: AD9255
• Description: 14-Bit, 125 MSPS/105 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9255

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 125MSPS
• Interface: LVDS,Par,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p,1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9255
Pin No.
22
23
24
25
26
27
8
SPI Control
31
30
32
ADC Configuration
6
35
41
44
48
Mnemonic
D9
D10
D11
D12
D13 (MSB)
OR
DCO
SCLK/DFS
SDIO/DCS
CSB
OEB
DITHER
LVDS_RS
LVDS
PDWN
Type
Output
Output
Output
Output
Output
Output
Output
Input
Input/output
Input
Input
Input
Input
Input
Input
Description
CMOS Output Data.
CMOS Output Data.
CMOS Output Data.
CMOS Output Data.
CMOS Output Data.
Overrange Output.
Data Clock Output.
SPI Serial Clock/Data Format Select Pin in External Pin Mode.
SPI Serial Data I/O/Duty Cycle Stabilizer Pin in External Pin Mode.
SPI Chip Select (Active Low).
Output Enable Input (Active Low).
In external pin mode, this pin sets dither to on (active high). Pull low for control via
SPI in SPI mode.
In external pin mode, this pin sets LVDS reduced swing output mode (active high).
Pull low for control via SPI in SPI mode.
In external pin mode, this pin sets LVDS output mode (active high). Pull low for
control via SPI in SPI mode.
Power-down input in external pin mode. In SPI mode, this input can be configured
as power-down or standby.
Rev. A | Page 12 of 44