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ADS131B04QPWRQ1

Analog to Digital Converters - ADC Automotive 24-bit, 32-kSPS, four-channel, simultaneous-sampling, delta-sigma ADC 20-TSSOP -40 to 125

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Overview of ADS131B04QPWRQ1

The ADS131B04QPWRQ1 is a four-channel, 24-bit, delta-sigma analog-to-digital converter (ADC) designed for precision measurement applications in automotive systems.It offers high-resolution conversion with low noise and high accuracy,making it ideal for sensor interfaces and data acquisition in automotive electronics.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

  • D0:Data Output Channel 0
  • D1:Data Output Channel 1
  • D2:Data Output Channel 2
  • D3:Data Output Channel 3
  • SCLK:Serial Clock Input
  • SDI:Serial Data Input
  • DRDY:Data Ready Output
  • RESET:Reset Input
  • CS:Chip Select Input
  • AVDD:Analog Power Supply Voltage
  • DVDD:Digital Power Supply Voltage
  • DVSS:Digital Ground
  • AVSS:Analog Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ADS131B04QPWRQ1 for a visual representation.

Key Features

  • Four-Channel ADC:Provides four channels for simultaneous data acquisition,allowing for multi-sensor integration.
  • 24-Bit Resolution:Offers high-resolution conversion for accurate measurement of small analog signals.
  • Delta-Sigma Architecture:Utilizes delta-sigma modulation for high-precision analog-to-digital conversion.
  • Low Noise Performance:Delivers low noise and high SNR for reliable sensor signal processing.
  • Automotive Grade:Designed for automotive applications with enhanced temperature and reliability specifications.
  • Diagnostic Features:Includes self-diagnostic capabilities for monitoring ADC performance and system health.

Note:For detailed technical specifications,please refer to the ADS131B04QPWRQ1 datasheet.

Application

  • Automotive Sensors:Suitable for interfacing with sensors in automotive systems such as temperature,pressure,and position sensors.
  • Vehicle Control Systems:Ideal for use in vehicle control systems for monitoring and processing analog sensor data.
  • Medical Instruments:Used in medical instruments for precise analog signal acquisition and processing.

Functionality

The ADS131B04QPWRQ1 is a high-precision, four-channel ADC that enables accurate measurement and conversion of analog signals in automotive and industrial applications.Its advanced features and performance make it a reliable choice for precision data acquisition.

Usage Guide

  • Power Supply:Connect AVDD and DVDD to the respective power supplies and AVSS and DVSS to the corresponding grounds.
  • Data Connections:Interface the sensor outputs to the ADC channels (D0-D3) for converting analog signals to digital format.
  • Control Signals:Use SCLK, SDI, DRDY, RESET, and CS pins for controlling the ADC operation and data transfer.

Frequently Asked Questions

Q:What is the maximum sampling rate of the ADS131B04QPWRQ1?
A:The ADS131B04QPWRQ1 has a maximum sampling rate of 64k samples per second per channel.

Q:Does the ADS131B04QPWRQ1 support daisy-chaining with multiple ADCs?
A:Yes, the ADS131B04QPWRQ1 supports daisy-chaining for connecting multiple ADCs in series for synchronized data acquisition.

Equivalent

For similar functionalities,consider these alternatives to the ADS131B04QPWRQ1:

  • ADS1294R:A four-channel, 24-bit ADC from Texas Instruments offering similar precision and performance for medical and healthcare applications.
  • LTC2440-24:A high-precision, 24-bit ADC from Linear Technology suitable for industrial measurement and sensor interface applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Resolution (Bits) 24 Sample rate (max) (ksps) 32
Number of input channels 4 Interface type SPI
Architecture Delta-Sigma Input type Differential, Single-ended
Multichannel configuration Simultaneous Sampling Rating Automotive
TI functional safety category Functional Safety-Capable Reference mode Internal
Input voltage range (max) (V) 2.4 Input voltage range (min) (V) -0.3
Features PGA, Small Size Operating temperature range (°C) -40 to 125
Power consumption (typ) (mW) 19.8 Analog supply (min) (V) 2.7
Analog supply voltage (max) (V) 3.6 Digital supply (min) (V) 2.7
Digital supply (max) (V) 3.6

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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