3-Channel, Low Noise, Low Power, 16-Bit Sigma Delta ADC With On-Chip In-Amp And Reference

The AD7792 AD7793 are low power, low noise, complete Analog front ends for high precision measurement applications. The AD7792 AD7793 contain a low noise 16-/24-bit - ADC with three differential Analog inputs. The on-chip, low noise Instrumentation Amplifier means that signals of small amplitude CAN be interfaced directly to the ADC With a gain setting of 64, the rms noise is 40 nV when the update rate equals 4.17 Hz.
The devices contain a precision low noise, low drift internal band gap reference and CAN accept an external differential reference. Other on-chip features include programmable excitation current sources, burnout currents, and a bias voltage generator. The bias voltage generator sets the common-mode voltage of a channel to AVDD/2.
The devices CAN be operated with either the internal Clock or an external Clock The output data rate from the parts is software-programmable and CAN be varied from 4.17 Hz to 470 Hz.
The parts operate with a power supply from 2.7 V to 5.25 V. They consume a current of 400 A typical and are housed in a 16-lead TSSOP package.
Applications Thermocouple measurements RTD measurements Thermistor measurements Gas analysis Industrial process control Instrumentation Portable instrumentation Blood analysis Smart transmitters Liquid/gas chromatography 6-digit DVM
Data Sheet, Rev. B, 3/07
By Analog Devices, Inc.
AD7792 's PackagesAD7792 's pdf datasheet
AD7792BRU TSSOP
AD7792BRUZ TSSOP
AD7792BRUZ-REEL TSSOP

AD7792 pdf datasheet download


AD7792 Pinout, Pinouts
AD7792 pinout,Pin out
This is one package pinout of AD7792,If you need more pinouts please download AD7792's pdf datasheet.

AD7792 Application circuits
AD7792 circuits
This is one application circuit of AD7792,If you need more circuits,please download AD7792's pdf datasheet.


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