AD9634 Analog Devices, AD9634 Datasheet - Page 25

• Manufacturer Part Number: AD9634
• Description: 12-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9634

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: LVDS
• Analog Input Type: Diff-Uni
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

SPI ACCESSIBLE FEATURES
Table 12 provides a brief description of the general features that
are accessible via the SPI. These features are described in detail in
AN-877 Application
S
PI.
SCLK
SDIO
CSB
DON’T CARE
DON’T CARE
t
S
R/W
Note, Interfacing to High Speed ADCs via
t
DS
W1
W0
t
DH
A12
t
HIGH
A11
t
Figure 58. Serial Port Interface Timing Diagram
LOW
A10
A9
Rev. 0 | Page 25 of 32
t
CLK
A8
A7
Table 12. Features Accessible Using the SPI
Feature Name
Mode
Clock
Offset
Test I/O
Output Mode
Output Phase
Output Delay
VREF
Digital
Processing
D5
D4
Description
Allows the user to set either power-down mode
or standby mode
Allows the user to access the DCS via the SPI
Allows the user to digitally adjust the
converter offset
Allows the user to set test modes to have
known data on output bits
Allows the user to set up outputs
Allows the user to set the output clock polarity
Allows the user to vary the DCO delay
Allows the user to set the reference voltage
Allows the user to enable the synchronization
features
D3
D2
D1
D0
t
H
DON’T CARE
DON’T CARE
AD9634