参数资料
型号: AD9271BSVZ-40
厂商: Analog Devices Inc
文件页数: 35/60页
文件大小: 0K
描述: IC ADC OCT 12BIT 40MSPS 100-TQFP
标准包装: 1
位数: 12
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): 1.28W
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-TQFP 裸露焊盘
供应商设备封装: 100-TQFP-EP(14x14)
包装: 托盘
输入数目和类型: 8 个单端,单极;8 个差分,单极
AD9271
Rev. B | Page 40 of
60
Addr.
(Hex)
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
Notes/
Comments
19
user_patt1_lsb
B7
B6
B5
B4
B3
B2
B1
B0
0x00
User-defined
pattern, 1 LSB
(global).
1A
user_patt1_msb
B15
B14
B13
B12
B11
B10
B9
B8
0x00
User-defined
pattern, 1 MSB
(global).
1B
user_patt2_lsb
B7
B6
B5
B4
B3
B2
B1
B0
0x00
User-defined
pattern, 2 LSB
(global).
1C
user_patt2_msb
B15
B14
B13
B12
B11
B10
B9
B8
0x00
User-defined
pattern, 2 MSB
(global).
21
serial_control
LSB first
1 = on
0 = off
(default)
X
<10
MSPS,
low
encode
rate
mode
1 = on
0 = off
(default)
000 = 12 bits (default, normal bit
stream)
001 = 8 bits
010 = 10 bits
011 = 12 bits
100 = 14 bits
0x00
Serial stream
control. Default
causes MSB first
and the native
bit stream
(global).
22
serial_ch_stat
X
Channel
output
reset
1 = on
0 = off
(default)
Channel
power-
down
1 = on
0 = off
(default)
0x00
Used to power
down individ
ual sections of
a converter
(local).
2B
flex_filter
X
Enable
automatic
low-pass
tuning
1 = on
0 = off
(default)
X
High-pass filter cutoff
00 = dc (default)
01 = 700 kHz
10 = 350 kHz
0x00
Filter cutoff
(global).
2C
analog_input
X
LOSW-x
1 = on
0 = off
(default)
0x00
LNA active
termination/
input
impedance
(global).
2D
cross_point_switch
X
Crosspoint switch enable
0 0000 = CWD0± (differential)
0 0001 = CWD1± (differential)
0 0010 = CWD2± (differential)
0 0011 = CWD3± (differential)
0 0100 = CWD4± (differential)
0 0101 = CWD5± (differential)
0 0111 = power down CW channel
1 0000 = CWD0+ (single ended)
1 0001 = CWD1+ (single ended)
1 0010 = CWD2+ (single ended)
1 0011 = CWD3+ (single ended)
1 0100 = CWD4+ (single ended)
1 0101 = CWD5+ (single ended)
1 0111 = power down CW channel
1 1000 = CWD0 (single ended)
1 1001 = CWD1 (single ended)
1 1010 = CWD2 (single ended)
1 1011 = CWD3 (single ended)
1 1100 = CWD4 (single ended)
1 1101 = CWD5 (single ended)
1 1111 = power down CW channel
0x07
Crosspoint
switch
enable (local).
1 X = an undefined feature
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