LC2MOS 8通道, 12位高速数据采集系统 LC2MOS 8-Channel, 12-Bit High Speed Data Acquisition System
Product Details
The AD7891 is an eight-channel 12-bit data acquisition system with a choice of either parallel or serial interface structure. The part contains an input multiplexer, an on-chip track/hold amplifier, a high speed 12-bit ADC, a +2.5 V reference and a high speed interface. The part operates from a single +5 V supply and accepts a variety of analog input ranges across two models, the AD7891-1 ±5 V and ±10 V and the AD7891-2 0 V to +2.5 V, 0 V to +5 V and ±2.5 V.
The AD7891 provides the option of either a parallel interface or serial interface structure determined by the MODE pin. The part has standard control inputs and fast data access times for both the serial and parallel interfaces which ensures easy interfacing to modern microprocessors, microcontrollers and digital signal processors.
In addition to the traditional dc accuracy specifications such as linearity, full-scale and offset errors, the part is also specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.
Power dissipation in normal mode is 90 mW typical while in the standby mode this is reduced to 75 µW typ. The part is available in a 44-pin plastic quad flat-pack PQFP and a 44- lead plastic leaded chip carrier PLCC.
### Features and Benefits
±5 V, ±10 V for AD7891-1
0 to +2.5 V, 0 to +5 V, ±2.5 V for AD7891-2
电路数 1
通道数 8
位数 12
耗散功率 100 mW
采样率 500 ksps
功耗 82 mW
分辨率Bits 12.0
输入阻抗 9.00 GΩ
模数转换数ADC 1
工作温度Max 105 ℃
工作温度Min 40 ℃
耗散功率Max 100 mW
输入通道数 8
电源电压 5 V
安装方式 Surface Mount
引脚数 44
封装 PLCC-44
长度 16.66 mm
宽度 16.66 mm
高度 3.68 mm
封装 PLCC-44
工作温度 -40℃ ~ 85℃
产品生命周期 Active
包装方式 Tube
RoHS标准 Non-Compliant
含铅标准 Contains Lead
军工级 No
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
AD7891AP-1 ADI 亚德诺 | 当前型号 | 当前型号 |
AD7891AP-2REEL 亚德诺 | 完全替代 | AD7891AP-1和AD7891AP-2REEL的区别 |
AD7891BP-2 亚德诺 | 完全替代 | AD7891AP-1和AD7891BP-2的区别 |
AD7891APZ-2REEL 亚德诺 | 完全替代 | AD7891AP-1和AD7891APZ-2REEL的区别 |