参数资料
型号: AD7708BRZ
厂商: Analog Devices Inc
文件页数: 17/44页
文件大小: 0K
描述: IC ADC 16BIT R-R 8/10CH 28SOIC
标准包装: 27
位数: 16
采样率(每秒): 1.37k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 3.84mW
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: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
输入数目和类型: 4 个差分,单极;4 个差分,双极;8 个伪差分,单极;8 个伪差分,双极
产品目录页面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7708EBZ-ND - BOARD EVAL FOR AD7708
REV. 0
–24–
AD7708/AD7718
Table XI. Registers—Quick Reference Guide (continued)
Power-On/Reset
Register Name
Type
Size
Default Value
Function
AD7718
Offset Register
Read/Write
24 Bits
800 000 Hex
Contains a 24-bit word which is the offset calibration
coefficient for the part. The contents of this register
are used to provide offset correction on the output
from the digital filter. There are five Offset Registers
on the part and these are associated with input chan-
nels as outlined in the ADCCON register.
AD7718
Gain Register
Read/Write
24 Bits
5XXXX5 Hex
Contains a 24-bit word which is the gain calibration
coefficient for the part. The contents of this register
are used to provide gain correction on the output
from the digital filter. There are five Gain Registers
on the part and these are associated with input chan-
nels as outlined in the ADCCON register.
AD7708
Offset Register
Read/Write
16 Bits
8000 Hex
Contains a 16-bit word which is the offset calibration
coefficient for the part. The contents of this register
are used to provide offset correction on the output
from the digital filter. There are five Offset Registers
on the part and these are associated with input chan-
nels as outlined in the ADCCON register.
AD7708
Gain Register
Read/Write
16 Bits
5XXX Hex
Contains a 16-bit word which is the gain calibration
coefficient for the part. The contents of this register
are used to provide gain correction on the output
from the digital filter. There are five Gain Registers
on the part and these are associated with input chan-
nels as outlined in the ADCCON register.
AD7708
ID Register
Read
8 Bits
5X Hex
Contains an 8-bit byte which is the identifier for
the part.
AD7718
ID Register
Read
8 Bits
4X Hex
Contains an 8-bit byte which is the identifier for
the part.
Test Registers
Read/Write
16 Bits
0000 Hex
Controls the test modes of the part that are used
when testing the part. The user is advised not to
change the contents of these registers.
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