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AD7730BNZ Datasheet (PDF) - Analog Devices

AD7730BNZ Datasheet PDF - Analog Devices
Part # AD7730BNZ
Download  AD7730BNZ Download

File Size   321.15 Kbytes
Page   53 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Bridge Transducer ADC

AD7730BNZ Datasheet (PDF)

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AD7730BNZ Datasheet PDF - Analog Devices

Part # AD7730BNZ
Download  AD7730BNZ Click to download

File Size   321.15 Kbytes
Page   53 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Bridge Transducer ADC

AD7730BNZ Datasheet (HTML) - Analog Devices

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AD7730BNZ Product details

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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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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