AD7896: 2.7 V至5.5 V、12位、8 µs ADC，采用8引脚SO/DIP封装
AD7896是一款快速、12位ADC,采用+2.7 V至5.5 V单电源供电,提供8引脚小型DIP和8引脚SOIC两种封装。该器件内置一个8微秒（µs）逐次逼近型模数转换器、一个片内采样保持放大器、一个片内时钟和一个高速串行接口。AD7896通过一个高速串行接口端口输出数据,这个双线串行接口具有一个串行时钟输入和一个串行数据输出,通过外部串行时钟可访问该器件中的串行数据。除线性度、满量程和失调误差等传统直流精度规格外,AD7896的动态性能参数也做了详细规定,包括谐波失真和信噪比。该器件可接受的模拟输入范围为0 V至VDD,采用+2.7 V至+5.5 V单电源供电,典型功耗仅9 mW。VDD输入同时用作器件的基准电压,因而无需外部基准电压。AD7896提供两种采样模式：一种是高采样速率模式；另一种是针对低功耗应用的专有自动省电模式,即一旦完成转换,器件便自动进入省电模式,并在下一个转换周期开始前“唤醒”。该器件提供两种封装：8引脚、0.3英寸宽、小型塑料或密封双列直插式封装（小型DIP）；以及8引脚小形集成封装（SOIC）。
The AD7896 is a fast, 12-bit ADC which operates from a single +2.7 V to 5.5 V supply and is housed in a small 8-pin mini-DIP and 8-pin SOIC. The part contains an 8 µs successive approximation A/D converter, an on-chip track/hold amplifier, an on-chip clock and a high speed serial interface.
Output data from the AD7896 is provided via a high speed, serial interface port. This two-wire serial interface has a serial clock input and a serial data output with the external serial clock accessing the serial data from the part.In addition to the traditional dc accuracy specifications such as linearity, full-scale and offset errors, the AD7896 is also specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.The part accepts an analog input range of 0 V to VDD and operates from a single +2.7 V to +5.5 V supply consuming only 9 mW typical. The VDD input is also used as the reference for the part so that no external reference is required.The AD7896 features a high sampling rate mode and, for low power applications, a proprietary automatic power down mode where the part automatically goes into power down once con-version is complete and "wakes up" before the next conversion cycle.The part is available in a small, 8-pin, 0.3" wide, plastic or hermetic dual-in-line package (mini-DIP) and in an 8-pin, small outline IC (SOIC).
AD7896 特点
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AD7896 技术指标
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AD7896 芯片订购指南
| 产品型号 | 封装 | 引脚 | 温度范围 | 包装和数量 | 报价*(100-499) | 报价*1000 pcs |
|---|---|---|---|---|---|---|
| AD7896AN 产品状态: 量产 | 8 ld PDIP | 8 | 工业 | Tube, 50 | $ 11.04 | $ 9.39 |
| AD7896ANZ 产品状态: 量产 | 8 ld PDIP | 8 | 工业 | Tube, 50 | $ 9.58 | $ 8.13 |
| AD7896AR 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 9.72 | $ 8.25 |
| AD7896AR-REEL 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Reel, 2500 | - | $ 8.25 |
| AD7896ARZ 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 8.86 | $ 7.52 |
| AD7896ARZ-REEL 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Reel, 2500 | - | $ 7.52 |
| AD7896ARZ-REEL7 产品状态: 量产 | 8 ld SOIC | 8 | 商业 | Reel, 1000 | - | $ 7.52 |
| AD7896BR 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 12.65 | $ 10.75 |
| AD7896BR-REEL 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Reel, 2500 | - | $ 10.75 |
| AD7896BRZ 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 11.53 | $ 9.80 |
| AD7896BRZ-REEL 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Reel, 2500 | - | $ 9.80 |
| AD7896BRZ-REEL7 产品状态: 量产 | 8 ld SOIC | 8 | 商业 | Reel, 1000 | - | $ 9.80 |
| AD7896JR 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 5.71 | $ 4.68 |
| AD7896JRZ 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Tube, 98 | $ 5.21 | $ 4.27 |
| AD7896JRZ-REEL 产品状态: 量产 | 8 ld SOIC | 8 | 工业 | Reel, 2500 | - | $ 4.27 |
| AD7896SQ 产品状态: 停产 | CERDIP GLASS SEAL | 8 | 军用 | Tube, 48 | - | - |
AD7896 应用技术支持与电子电路设计开发资源下载
- AD7896 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
