AD7793BRU
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Analog Devices Inc. AD7793BRU

Manufacturer No:
AD7793BRU
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 24BIT SIGMA-DELTA 16TSSOP
Delivery:
Payment:
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iso45001
iso9001
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Product Introduction

Overview

The AD7793BRU, produced by Analog Devices Inc., is a 3-channel, low noise, low power analog-to-digital converter (ADC) designed for measuring wide dynamic range, low frequency signals. This device incorporates a ∑-Δ modulator, a buffer, reference, in-amp, and an on-chip digital filter, making it suitable for applications such as pressure transducers, weigh scales, and temperature measurement. The ADC can operate with either an internal 1.17 V reference or an external reference and features three differential inputs that can be configured as buffered or unbuffered.

Key Specifications

ParameterValue
Number of Channels3
Resolution16-bit or 24-bit
Supply Voltage (AVDD/DVDD)2.7 V to 5.25 V
Operating Temperature–40°C to +105°C
Package Type16-Lead TSSOP
Internal Reference Voltage1.17 V
Typical Current Consumption (unbuffered mode, AVDD = 5 V)125 μA
Typical Current Consumption (buffered mode, AVDD = 5 V, gain = 1 or 2)165 μA

Key Features

  • Low noise and low power consumption, making it suitable for battery-powered applications.
  • Three differential inputs that can be configured as buffered or unbuffered.
  • Programmable output data rate with simultaneous 50 Hz and 60 Hz rejection optimized at certain update rates.
  • On-chip digital filter for noise rejection.
  • Serial interface for communication (CS, DIN, SCLK, and DOUT/RDY).
  • Full-scale registers for each channel, configurable via the serial interface.

Applications

  • Pressure transducers
  • Weigh scales
  • Temperature measurement
  • Other low frequency signal measurement applications requiring high precision and low noise.

Q & A

  1. What is the resolution of the AD7793BRU ADC?
    The AD7793BRU has a resolution of either 16-bit or 24-bit.
  2. What is the operating temperature range of the AD7793BRU?
    The operating temperature range is –40°C to +105°C.
  3. Can the AD7793BRU use an external reference voltage?
    Yes, the AD7793BRU can operate with either an internal 1.17 V reference or an external reference.
  4. How many channels does the AD7793BRU have?
    The AD7793BRU has three differential input channels.
  5. What is the typical current consumption of the AD7793BRU in unbuffered mode?
    The typical current consumption in unbuffered mode at AVDD = 5 V is 125 μA.
  6. What type of package does the AD7793BRU come in?
    The AD7793BRU comes in a 16-Lead TSSOP package.
  7. Is the AD7793BRU still in production?
    No, the AD7793BRU is obsolete and no longer manufactured.
  8. What are the key components integrated into the AD7793BRU?
    The AD7793BRU integrates a ∑-Δ modulator, a buffer, reference, in-amp, and an on-chip digital filter.
  9. How is communication with the AD7793BRU achieved?
    Communication is achieved through a serial interface consisting of CS, DIN, SCLK, and DOUT/RDY signals.
  10. What types of applications is the AD7793BRU suitable for?
    The AD7793BRU is suitable for applications such as pressure transducers, weigh scales, and temperature measurement.

Product Attributes

Number of Bits:24
Sampling Rate (Per Second):470
Number of Inputs:3
Input Type:Differential
Data Interface:SPI, DSP
Configuration:MUX-ADC
Ratio - S/H:ADC:- 
Number of A/D Converters:1
Architecture:Sigma-Delta
Reference Type:External, Internal
Voltage - Supply, Analog:2.7V ~ 5.25V
Voltage - Supply, Digital:2.7V ~ 5.25V
Features:PGA
Operating Temperature:-40°C ~ 105°C
Package / Case:16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:16-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7793BRU AD7793BRUZ AD7799BRU AD7794BRU AD7783BRU AD7792BRU
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete
Number of Bits 24 24 24 24 24 16
Sampling Rate (Per Second) 470 470 470 470 19.79 470
Number of Inputs 3 3 3 6 1 3
Input Type Differential Differential Differential Differential Differential Differential
Data Interface SPI, DSP SPI, DSP SPI, DSP SPI, DSP SPI, DSP SPI, DSP
Configuration MUX-ADC MUX-ADC MUX-ADC MUX-ADC MUX-PGA-ADC MUX-ADC
Ratio - S/H:ADC - - - - - -
Number of A/D Converters 1 1 1 1 1 1
Architecture Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta
Reference Type External, Internal External, Internal External External, Internal External External, Internal
Voltage - Supply, Analog 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 3.6V, 5V 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 3.6V, 5V 2.7V ~ 5.25V
Features PGA PGA - PGA, Temperature Sensor PGA PGA
Operating Temperature -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 85°C -40°C ~ 105°C
Package / Case 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 24-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP 16-TSSOP 16-TSSOP 24-TSSOP 16-TSSOP 16-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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