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参数资料
| 型号： | ADC0848 |
| 厂商： | National Semiconductor Corporation |
| 元件分类： | 串行ADC |
| 英文描述： | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
| 中文描述： | 8位的兼容的A / D转换器和多路复用器选项 |
| 文件页数： | 12/20页 |
| 文件大小： | 467K |
| 代理商： | ADC0848 |
Applications Information
(Continued)
LSB is calculated for the desired analog span, 1 LSB = ana-
log span/256) is applied to selected “+” input and the zero
reference voltage at the corresponding “” input should then
be adjusted to just obtain the 00
HEX
to 01
HEX
code transition.
The full-scale adjustment should be made [with the proper
V
() voltage applied] by forcing a voltage to the V
IN
(+) in-
put which is given by:
where V
=the high end of the analog input range and
V
=the low end (the offset zero) of the analog range. (Both
are ground referenced.)
The V
(or V
CC
) voltage is then adjusted to provide a code
change from FE
HEX
to FF
HEX
. This completes the adjust-
ment procedure.
For an example see the Zero-Shift and Span Adjust circuit
below.
DS005016-16
a) Ratiometric
DS005016-17
b) Absolute with a Reduced Span
FIGURE 2. Referencing Examples
Zero-Shift and Span Adjust (2V
≤
V
IN
≤
5V)
DS005016-18
www.national.com
12
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| ADC0848BCN | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0848BCV | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC0848BCN | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0848BCN/NOPB | 功能描述:IC ADC 8BIT MPU W/MUX OPT 24-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
| ADC0848BCV | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC0848BCV/NOPB | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC0848BCVX | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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