AD9644 Analog Devices, AD9644 Datasheet - Page 12

• Manufacturer Part Number: AD9644
• Description: 14-Bit, 80 MSPS/155 MSPS, 1.8V Dual, Serial Output A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9644

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 155MSPS
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined

AD9644
Pin No.
Digital Outputs
SPI Control
ADC Configuration
20
19
18
17
30
29
31
33
Mnemonic
DOUT+A
DOUT−A
DOUT+B
DOUT−B
SCLK
SDIO
CSB
PDWN
Type
Output
Output
Output
Output
Input
Input/Output
Input
Input
Description
Channel A CML Output Data—True.
Channel A CML Output Data—Complement.
Channel B CML Output Data—True.
Channel B CML Output Data—Complement.
SPI Serial Clock.
SPI Serial Data Input/Output.
SPI Chip Select (Active Low).
Power-Down Input. Using the SPI interface, this input can be configured as
power-down or standby.
Rev. C | Page 12 of 44
Data Sheet