参数资料
型号: AD9257BCPZRL7-40
厂商: Analog Devices Inc
文件页数: 27/40页
文件大小: 0K
描述: IC ADC 14BIT SRL 40MSPS 64LFCSP
标准包装: 750
位数: 14
采样率(每秒): 40M
数据接口: 串行,SPI?
转换器数目: 8
功率耗散(最大): 434mW
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: 带卷 (TR)
输入数目和类型: 8 个差分
Data Sheet
AD9257
Rev. A | Page 33 of 40
Reg.
Addr.
(Hex)
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Default
Value
(Hex)
Comments
0x19
USER_PATT1_LSB
(global)
B7
B6
B5
B4
B3
B2
B1
B0
0x00
User Defined
Pattern 1 LSB.
0x1A
USER_PATT1_MSB
(global)
B15
B14
B13
B12
B11
B10
B9
B8
0x00
User Defined
Pattern 1 MSB.
0x1B
USER_PATT2_LSB
(global)
B7
B6
B5
B4
B3
B2
B1
B0
0x00
User Defined
Pattern 2 LSB.
0x1C
USER_PATT2_MSB
(global)
B15
B14
B13
B12
B11
B10
B9
B8
0x00
User Defined
Pattern 2 MSB.
0x21
Serial control
(global)
LVDS
output
LSB first
Word-wise DDR, 1-lane, Bits[6:4]
100 = DDR 1-lane
PLL low
encode
rate mode
Open
Serial output number
of bits
01 = 14 bits
10 = 12 bits
0x41
Serial stream
control.
Default causes
MSB first and
the native bit
stream.
0x22
Serial channel
status (local)
Open
Channel
output
reset
Channel
power-
down
0x00
Used to power
down
individual
sections of
a converter.
0x100
Resolution/
sample rate
override
Open
Resolution/
sample-rate
override
enable
Resolution
01 = 14 bits
10 = 12 bits
Open
Sample rate
000 = 20 MSPS
001 = 40 MSPS
010 = 50 MSPS
011 = 65 MSPS
0x00
Resolution/
sample rate
override
(requires
transfer bit,
0xFF).
0x101
User I/O Control 2
Open
SDIO pull-
down
0x00
Disables SDIO
pull-down.
0x102
User I/O Control 3
Open
VCM
power-
down
Open
0x00
VCM control.
0x109
Sync
Open
Sync
next
only
Enable sync
0x00
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