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参数资料
| 型号： | ADS7818EVM |
| 厂商： | Texas Instruments |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | EVAL MOD FOR ADS7818 |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行 |
| 输入范围： | 0 ~ 5 V |
| 在以下条件下的电源（标准）： | 11mW @ 500kSPS |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | ADS7818 |
| 已供物品： | 板 |
| 产品目录页面： | 891 (CN2011-ZH PDF) |
| 相关产品： | ADS7818EDKR-ND - IC 12-BIT 500KHZ A/D CONV 8-MSOP ADS7818EBDKR-ND - IC 12-BIT 500KHZ A/D CONV 8-MSOP ADS7818PG4-ND - IC 12BIT 500KHZ ADC CONV 8-DIP ADS7818PBG4-ND - IC 12BIT 500KHZ ADC CONV 8-DIP ADS7818EB/2K5G4-ND - IC 12BIT 500KHZ ADC CONV 8-MSOP ADS7818EB/250G4-ND - IC 12BIT 500KHZ ADC CONV 8-MSOP ADS7818E/2K5G4-ND - IC 12BIT 500KHZ ADC CONV 8-MSOP ADS7818E/250G4-ND - IC 12BIT 500KHZ ADC CONV 8-MSOP ADS7818E/2K5-ND - IC 12-BIT 500KHZ 10MW A/D 8-MSOP ADS7818EB/2K5-ND - IC 12-BIT 500KHZ 10MW A/D 8-MSOP 更多... |
| 其它名称： | 296-19913 ADS7818EVM-ND |
13
ADS7818
With this in mind, power to the ADS7818 should be clean
and well bypassed. A 0.1
F ceramic bypass capacitor should
be placed as close to the device as possible. In addition, a
1
F to 10F capacitor is recommended. If needed, an even
larger capacitor and a 5
or 10 series resistor my be used
to lowpass filter a noisy supply.
The ADS7818 draws very little current from an external
reference on average as the reference voltage is internally
buffered. However, glitches from the conversion process
appear at the VREF input and the reference source must be
able to handle this. Whether the reference is internal or
external, the VREF pin should be bypassed with a 0.1F
capacitor. An additional larger capacitor may also be used,
if desired. If the reference voltage is external and originates
from an op-amp, make sure that it can drive the bypass
capacitor or capacitors without oscillation.
The GND pin should be connected to a clean ground point.
In many cases, this will be the “analog” ground. Avoid
connections which are too near the grounding point of a
microcontroller or digital signal processor. If needed, run a
ground trace directly from the converter to the power supply
entry point. The ideal layout will include an analog ground
plane dedicated to the converter and associated analog
circuitry.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS7818P | 功能描述:模数转换器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7818P | 制造商:BURR-BROWN 功能描述:IC 12BIT ADC 7818 DIP8 制造商:Texas Instruments 功能描述:IC 12BIT ADC 500KHZ DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8; Resolution (Bits):12bit; Sampling Rate:500kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:2.2mA; Digital IC Case Style:DIP; No. of Pins:8; Input ;RoHS Compliant: Yes |
| ADS7818PB | 功能描述:模数转换器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7818PB | 制造商:Texas Instruments 功能描述:IC 12BIT ADC 500KHZ PDIP8 7818 |
| ADS7818PBG4 | 功能描述:模数转换器 - ADC 12-Bit High Speed Low Power Sampling 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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