参数资料
型号: AD9222ABCPZ-65
厂商: Analog Devices Inc
文件页数: 22/60页
文件大小: 0K
描述: IC ADC 12BIT SRL 65MSPS 64LFCSP
标准包装: 1
位数: 12
采样率(每秒): 65M
数据接口: 串行,SPI?
转换器数目: 8
功率耗散(最大): 950.5mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
输入数目和类型: 16 个单端,单极;8 个差分,单极
Data Sheet
AD9222
Rev. F | Page 29 of 60
Two output clocks are provided to assist in capturing data from
the AD9222. The DCO is used to clock the output data and is
equal to six times the sample clock (CLK) rate. Data is clocked
out of the AD9222 and must be captured on the rising and
falling edges of the DCO that supports double data rate (DDR)
capturing. The FCO is used to signal the start of a new output
byte and is equal to the sample clock rate. See the timing
diagram shown in Figure 2 for more information.
Table 9. Flexible Output Test Modes
Output Test Mode
Bit Sequence
Pattern Name
Digital Output Word 1
Digital Output Word 2
Subject to Data
Format Select
0000
Off (default)
N/A
0001
Midscale short
1000 0000 (8-bit)
10 0000 0000 (10-bit)
1000 0000 0000 (12-bit)
10 0000 0000 0000 (14-bit)
Same
Yes
0010
+Full-scale short
1111 1111 (8-bit)
11 1111 1111 (10-bit)
1111 1111 1111 (12-bit)
11 1111 1111 1111 (14-bit)
Same
Yes
0011
Full-scale short
0000 0000 (8-bit)
00 0000 0000 (10-bit)
0000 0000 0000 (12-bit)
00 0000 0000 0000 (14-bit)
Same
Yes
0100
Checkerboard
1010 1010 (8-bit)
10 1010 1010 (10-bit)
1010 1010 1010 (12-bit)
10 1010 1010 1010 (14-bit)
0101 0101 (8-bit)
01 0101 0101 (10-bit)
0101 0101 0101 (12-bit)
01 0101 0101 0101 (14-bit)
No
0101
PN sequence long1
N/A
Yes
0110
PN sequence short1
N/A
Yes
0111
One-/zero-word toggle
1111 1111 (8-bit)
11 1111 1111 (10-bit)
1111 1111 1111 (12-bit)
11 1111 1111 1111 (14-bit)
0000 0000 (8-bit)
00 0000 0000 (10-bit)
0000 0000 0000 (12-bit)
00 0000 0000 0000 (14-bit)
No
1000
User input
Register 0x19 to Register 0x1A
Register 0x1B to Register 0x1C
No
1001
1-/0-bit toggle
1010 1010 (8-bit)
10 1010 1010 (10-bit)
1010 1010 1010 (12-bit)
10 1010 1010 1010 (14-bit)
N/A
No
1010
1× sync
0000 1111 (8-bit)
00 0001 1111 (10-bit)
0000 0011 1111 (12-bit)
00 0000 0111 1111 (14-bit)
N/A
No
1011
One bit high
1000 0000 (8-bit)
10 0000 0000 (10-bit)
1000 0000 0000 (12-bit)
10 0000 0000 0000 (14-bit)
N/A
No
1100
Mixed frequency
1010 0011 (8-bit)
10 0110 0011 (10-bit)
1010 0011 0011 (12-bit)
10 1000 0110 0111 (14-bit)
N/A
No
1
All test mode options except PN sequence short and PN sequence long can support 8- to 14-bit word lengths in order to verify data capture to the receiver.
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