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AD7730BRZ-REEL7 数据表 (PDF) - Analog Devices

AD7730BRZ-REEL7 Datasheet PDF - Analog Devices
部件名 AD7730BRZ-REEL7
下载  AD7730BRZ-REEL7 下载

文件大小   321.15 Kbytes
  53 Pages
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices
功能描述 Bridge Transducer ADC

AD7730BRZ-REEL7 Datasheet (PDF)

Go To PDF Page 下载 数据表
AD7730BRZ-REEL7 Datasheet PDF - Analog Devices

部件名 AD7730BRZ-REEL7
下载  AD7730BRZ-REEL7 Click to download

文件大小   321.15 Kbytes
  53 Pages
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices
功能描述 Bridge Transducer ADC

AD7730BRZ-REEL7 数据表 (HTML) - Analog Devices

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AD7730BRZ-REEL7 产品详情

GENERAL DESCRIPTION
The AD7730 is a complete analog front end for weigh-scale and pressure measurement applications. The device accepts low level signals directly from a transducer and outputs a serial digital word. The input signal is applied to a proprietary programmable gain front end based around an analog modulator.
The modulator output is processed by a low pass programmable digital filter, allowing adjustment of filter cutoff, output rate and settling time.
The part features two buffered differential programmable gain analog inputs as well as a differential reference input. The part operates from a single +5 V supply. It accepts four unipolar analog input ranges: 0 mV to +10 mV, +20 mV, +40 mV and +80 mV and four bipolar ranges: ±10 mV, ±20 mV, ±40 mV and ±80 mV. The peak-to-peak resolution achievable directly from the part is 1 in 230,000 counts. An on-chip 6-bit DAC allows the removal of TARE voltages. Clock signals for synchronizing ac excitation of the bridge are also provided.
The serial interface on the part can be configured for three-wire operation and is compatible with microcontrollers and digital signal processors. The AD7730 contains self-calibration and system calibration options, and features an offset drift of less than 5 nV/°C and a gain drift of less than 2 ppm/°C.
The AD7730 is available in a 24-pin plastic DIP, a 24-lead SOIC and 24-lead TSSOP package. The AD7730L is available in a 24-lead SOIC and 24-lead TSSOP package.

KEY FEATURES
   Resolution of 230,000 Counts (Peak-to-Peak)
   Offset Drift: 5 nV/°C
   Gain Drift: 2 ppm/°C
   Line Frequency Rejection: >150 dB
   Buffered Differential Inputs
   Programmable Filter Cutoffs
   Specified for Drift Over Time
   Operates with Reference Voltages of 1 V to 5 V

ADDITIONAL FEATURES
   Two-Channel Programmable Gain Front End
   On-Chip DAC for Offset/TARE Removal
   FASTStep™ Mode
   AC or DC Excitation
   Single Supply Operation

APPLICATIONS
   Weigh Scales
   Pressure Measurement




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关于 Analog Devices


Analog Devices,Inc。(ADI)是一家公开交易的公司,设计,开发和制造高性能模拟,混合信号和数字信号处理(DSP)集成电路(ICS)。
该公司成立于1965年,总部位于马萨诸塞州的诺伍德。
ADI服务于广泛的行业,包括航空航天和国防,汽车,通信,消费者,工业,医疗以及测试和测量。
该公司的产品组合包括数据转换器,放大器和比较器,电源管理IC,微控制器,传感器和无线电频率(RF)和微波组件等。
ADI致力于创新和客户满意度,并致力于为客户提供高质量,可靠的解决方案以满足他们的需求。
侧重于能源效率和可持续性,ADI是模拟和混合信号行业的领导者,推动了技术进步,并为世界上最具挑战性的问题提供了创新的解决方案。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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