AD7910: 250 kSPS、10位ADC,采用6引脚SC70封装
AD7910/AD7920分别是10位和12位高速、低功耗、逐次逼近型ADC,采用2.35 V至5.25 V单电源供电,最高吞吐量达250 kSPS。这些器件内置一个低噪声、宽带宽采样/保持放大器,可处理6 MHz以上的输入频率。转换过程和数据采集过程通过CS和串行时钟进行控制,从而为器件与微处理器或DSP接口创造了条件。输入信号在转换过程和数据采集过程通过/CS和串行时钟进行控制,从而为器件与微处理器或DSP接口创造了条件。输入信号在/CS的下降沿进行采样,而转换同时在此处启动。该器件无流水线延迟。的下降沿进行采样,而转换同时在此处启动。该器件无流水线延迟。AD7910/AD7920采用先进的设计技术,可在高吞吐量的情况下实现极低的功耗。基准电压从V DD获得,从而为ADC提供了最宽的动态输入范围,因此,其模拟输入范围为0至V DD。转换速率取决于SCLK。
AD7910 特点
- 额定电压(V DD):2.35 V至5.25 V
- 低功耗:
- 3 mW(典型值,250 KSPS、3 V电源)
- 12.5 mW(典型值,250 KSPS、5 V电源)
- 宽输入带宽:- 信噪比70 dB(100 kHz输入频率)
- 灵活的功耗/串行时钟速度管理
- 吞吐量:250 kSPS
- 无流水线延迟
- 高速串行接口:SPI®/QSPI™/MICROWIRE™/DSP兼容
- 待机模式:最大1 µA
- 6引脚SC70封装
- 8引脚µSOIC封装
- Specified for VDD of 2.35 V to 5.25 V
- Low Power:
- 3 mW typ at 250 KSPS with 3 V Supplies
- 12.5 mW typ at 250 KSPS with 5 V Supplies
- Wide Input Bandwidth:- 70 dB SNR at 100 kHz Input Frequency
- Flexible Power/Serial Clock Speed Management
- Throughput Rate: 250 kSPS
- No Pipeline Delays
- High Speed Serial Interface SPI®/QSPI™/MICROWIRE™/DSP Compatible
- Standby Mode: 1 µA max
- 6-Lead SC70 Package
- 8-Lead µSOIC Package
AD7910 技术指标
- Resolution (Bits): 10bit
- # Chan: 1
- Sample Rate: 250kSPS
- Interface: Ser,SPI
- Analog Input Type: SE-Uni
- Ain Range: Uni Vdd
- ADC Architecture: SAR
- Pkg Type: SC70,SOP
AD7910 建议配套产品
- Recommended Input Buffer Amplfiers for the AD7910
- For high performance, high speed applications, we recommend the AD8021 or the ADA4899-1.
- For high performance, lower speed applications, we recommend the ADA4000-1 or the AD8610.
- Recommended Precision References for the AD7910
- For a low power, 5V supply source, we recommend the REF195.
- For a low power, 3V supply source, we recommend the REF193.
- Recommended Power Solutions
- For selecting voltage regulator products, use ADIsimPower.
- For selecting supervisor products, use the Supervisor Parametric Search.
AD7910 功能框图
AD7910 芯片订购指南
AD7910 应用技术支持与电子电路设计开发资源下载
- AD7910 数据手册DataSheet下载 .pdf
- Analog Devices, Inc.ADI 美国模拟器件公司产品订购手册 .pdf
- ADC模数转换器选型指南 . pdf