参数资料
型号: AD6654BBC
厂商: Analog Devices Inc
文件页数: 55/88页
文件大小: 0K
描述: IC ADC 14BIT W/6CH RSP 256CSPBGA
标准包装: 1
位数: 14
采样率(每秒): 92.16M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 2.5W
电压电源: 模拟和数字
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 256-BGA,CSPBGA
供应商设备封装: 256-CSPBGA(17x17)
包装: 托盘
输入数目和类型: 1 个差分,单极
AD6654
Rev. 0 | Page 59 of 88
count reaches 1, the new frequency and/or phase offset is
loaded into the NCO.
Note: When using SPI or SPORT for programming these
registers, the last step in the above procedure needs to be
repeated, that is, the soft synchronization register needs to be
written twice.
Hop with Pin Sync
Four sync pins (SYNC0, SYNC1, SYNC2, and SYNC3) provide
very accurate synchronization among channels. Each channel
can be programmed to look at any of the four sync pins.
To control the hop of channel NCO frequencies:
1.
Write the NCO frequency register(s) or phase offset
register(s) to the new value.
2.
Write the NCO frequency hold-off counter(s) to the
appropriate value (greater than 0 and less than 216).
3.
Program the channel NCO control registers to monitor
the appropriate SYNC pins.
4.
Write the hop synchronization enable bit and SYNC pin
enable bits high in the pin synchronization configuration
register. This enables the countdown of the frequency
hold-off counter. When the count reaches 1, the new
frequency and/or phase offset is loaded into the NCO.
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