参数资料
型号: AD6641-500EBZ
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: BOARD EVALUATION FOR AD6641
设计资源: AD6641 BOM
标准包装: 1
系列: *
AD6641
Rev. 0 | Page 3 of 28
The data stored in the FIFO can be read back based on several
user-selectable output modes. The DUMP pin can be asserted
to output the FIFO data. The data stored in the FIFO can be
accessed via a SPORT, SPI, 12-bit parallel CMOS port, or 6-bit
DDR LVDS interface. The maximum output throughput
supported by the AD6641 is in the 12-bit CMOS or 6-bit DDR
LVDS mode and is internally limited to 1/8th of the maximum
input sample rate. This corresponds to the maximum output
data rate of 62.5 MHz at an input clock rate of 500 MSPS.
The ADC requires a 1.9 V analog voltage supply and a differen-
tial clock for full performance operation. Output format options
include twos complement, offset binary format, or Gray code. A
data clock output is available for proper output data timing. Fabri-
cated on an advanced SiGe BiCMOS process, the device is
available in a 56-lead LFCSP and is specified over the industrial
temperature range (40°C to +85°C). This product is protected
by a U.S. patent.
PRODUCT HIGHLIGHTS
1.
High Performance ADC Core.
Maintains 65.8 dBFS SNR at 500 MSPS with a 250 MHz input.
2.
Low Power.
Consumes only 695 mW at 500 MSPS.
3.
Ease of Use.
On-chip 16k FIFO allows the user to target the high perfor-
mance ADC to the time period of interest and reduce the
constraints of processing the data by transferring it at an
arbitrary time and a lower sample rate. The on-chip refer-
ence and sample-and-hold provide flexibility in system
design. Use of a single 1.9 V supply simplifies system power
supply design.
4.
Serial Port Control.
Standard serial port interface supports configuration of the
device and customization for the user’s needs.
5.
1.9 V or 3.3 V SPI and Serial Data Port Operation.
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