参数资料
型号: AD9246BCPZ-80
厂商: Analog Devices Inc
文件页数: 18/44页
文件大小: 0K
描述: IC ADC 14BIT 80MSPS 48-LFCSP
设计资源: Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002)
Driving AD9233/46/54 ADCs in AC-Coupled Baseband Appls (CN0051)
标准包装: 1
位数: 14
采样率(每秒): 80M
数据接口: 串行,SPI?
转换器数目: 3
功率耗散(最大): 279mW
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: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 托盘
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9246
Rev. A | Page 25 of 44
MEMORY MAP REGISTER TABLE
Table 15. Memory Map Register
Addr.
(Hex)
Parameter Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Default Notes/
Comments
Chip Configuration Registers
00
chip_port_config
0
LSB first
0 = Off
(Default)
1 = On
Soft reset
0 = Off
(Default)
1 = On
1
Soft reset
0 = Off
(Default)
1 = On
LSB first
0 = Off
(Default)
1 = On
0
0x18
The nibbles
should be
mirrored. See the
01
chip_id
8-bit Chip ID Bits 7:0
(AD9246 = 0x00), (default)
Read
only
Default is unique
chip ID, different
for each device.
02
chip_grade
Open
Child ID
0 = 125
MSPS,
1 = 105
MSPS
Open
Read
only
Child ID used to
differentiate
speed grades.
Device Index and Transfer Registers
FF
device_update
Open
SW transfer
0x00
Synchronously
transfers data
from the master
shift register to
the slave.
Global ADC Functions
08
modes
Open
PDWN
0—full
(Default)
1—standby
Open
Internal power-down mode
000—normal (power-up, Default)
001—full power-down
010—standby
011—normal (power-up)
Note: External PDWN pin overrides
this setting.
0x00
Determines
various generic
modes of chip
operation. See
the
Mode section
and the
section.
09
clock
Open
Duty cycle
stabilizer
0—disabled
1— enabled
(Default)
0x01
See the
section and the
section.
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