AD9255 Analog Devices, AD9255 Datasheet - Page 14

• 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.
24
23
26
25
28
27
8
7
SPI Control
31
30
32
ADC Configuration
6
35
41
44
48
Mnemonic
D10/11+
D10/11−
D12/13+ (MSB)
D12/13− (MSB)
OR+
OR−
DCO+
DCO−
SCLK/DFS
SDIO/DCS
CSB
OEB
DITHER
LVDS_RS
LVDS
PDWN
Type
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input/output
Input
Input
Input
Input
Input
Input
Output Enable Input (Active Low).
Description
LVDS Output Data Bit 10/Bit 11—True.
LVDS Output Data Bit 10/Bit 11—Complement.
LVDS Output Data Bit 12/Bit 13—True.
LVDS Output Data Bit 12/Bit 13—Complement.
LVDS Overrange Output—True.
LVDS Overrange Output—Complement.
LVDS Data Clock Output—True.
LVDS Data Clock Output—Complement.
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).
In external pin mode, this pin sets dither to on (active high). Pull low for control via SPI
in the SPI mode.
In external pin mode, this pin sets LVDS reduced swing output mode (active high). Pull
low for control via SPI in the SPI mode.
In external pin mode, this pin sets LVDS output mode (active high). Pull low for control
via SPI in the 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 14 of 44