ADS1263IPWR
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Texas Instruments ADS1263IPWR

Manufacturer No:
ADS1263IPWR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC ADC 32BIT SIGMA-DELTA 28TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The ADS1263IPWR, produced by Texas Instruments, is a high-precision, 32-bit delta-sigma analog-to-digital converter (ADC) designed for demanding sensor applications. This device is part of the ADS126x series, which includes the ADS1262 and ADS1263 models. The ADS1263IPWR integrates a programmable gain amplifier (PGA), an internal voltage reference, and an auxiliary 24-bit delta-sigma ADC for background measurements. It is packaged in a 28-pin TSSOP (PW) package and is fully specified over the –40°C to +125°C temperature range.

Key Specifications

SpecificationValue
Resolution32-bit
Sample Rate2.5 SPS to 38.4 kSPS
PackageTSSOP (PW), 28 pins
Operating Temperature Range–40°C to +125°C
PGA Gains1 to 32
Auxiliary ADC Resolution24-bit
Internal Voltage Reference2.5 V, temperature drift: 2 ppm/°C
Noise7 nV RMS (2.5 SPS, gain = 32)
Linearity3 ppm
Offset Drift1 nV/°C
Gain Drift0.5 ppm/°C
50/60 Hz Rejection130 dB

Key Features

  • Precision, 32-bit delta-sigma ADC
  • Auxiliary 24-bit delta-sigma ADC for background measurements
  • Differential input, CMOS PGA with gains from 1 to 32
  • 11 multifunction analog inputs
  • High-accuracy architecture with low offset and gain drift
  • Internal 2.5-V voltage reference with low temperature drift
  • Single-cycle settled conversions
  • Dual sensor excitation current sources suitable for direct RTD measurement
  • Internal fault monitors and ADC test signal
  • 8 general-purpose inputs/outputs

Applications

The ADS1263IPWR is designed for high-accuracy sensor applications, including:

  • Weigh scales
  • Strain-gauge sensors
  • Thermocouples
  • Resistance temperature devices (RTD)

Q & A

  1. What is the resolution of the ADS1263IPWR ADC?
    The ADS1263IPWR has a 32-bit resolution.
  2. What are the sample rates supported by the ADS1263IPWR?
    The sample rates range from 2.5 SPS to 38.4 kSPS.
  3. What type of package does the ADS1263IPWR come in?
    The ADS1263IPWR is packaged in a 28-pin TSSOP (PW) package.
  4. What is the operating temperature range of the ADS1263IPWR?
    The operating temperature range is –40°C to +125°C.
  5. Does the ADS1263IPWR have an internal voltage reference?
    Yes, it has a 2.5-V internal voltage reference with a temperature drift of 2 ppm/°C.
  6. What is the noise performance of the ADS1263IPWR?
    The noise is 7 nV RMS at 2.5 SPS with a gain of 32.
  7. Does the ADS1263IPWR have any built-in fault monitoring?
    Yes, it includes internal fault monitors and an ADC test signal.
  8. What types of sensors can the ADS1263IPWR support?
    The ADS1263IPWR supports weigh scales, strain-gauge sensors, thermocouples, and resistance temperature devices (RTD).
  9. How many general-purpose inputs/outputs does the ADS1263IPWR have?
    The ADS1263IPWR has 8 general-purpose inputs/outputs.
  10. What is the linearity of the ADS1263IPWR?
    The linearity is 3 ppm.

Product Attributes

Number of Bits:32
Sampling Rate (Per Second):38k
Number of Inputs:5, 10
Input Type:Differential, Single Ended
Data Interface:SPI
Configuration:MUX-PGA-ADC
Ratio - S/H:ADC:- 
Number of A/D Converters:1
Architecture:Sigma-Delta
Reference Type:External, Internal
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:2.7V ~ 5.25V
Features:PGA, Temperature Sensor
Operating Temperature:-40°C ~ 125°C
Package / Case:28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:28-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number ADS1263IPWR ADS1243IPWR ADS1262IPWR ADS1263IPW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Number of Bits 32 24 32 32
Sampling Rate (Per Second) 38k 15 38k 38k
Number of Inputs 5, 10 8 11 5, 10
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI SPI
Configuration MUX-PGA-ADC MUX-PGA-ADC MUX-PGA-ADC MUX-PGA-ADC
Ratio - S/H:ADC - - 0:1 -
Number of A/D Converters 1 1 1 1
Architecture Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta
Reference Type External, Internal External External, Internal External, Internal
Voltage - Supply, Analog 5V 2.7V ~ 5.25V 4.75V ~ 5.25V 5V
Voltage - Supply, Digital 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V
Features PGA, Temperature Sensor PGA PGA, Temperature Sensor PGA, Temperature Sensor
Operating Temperature -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 125°C
Package / Case 28-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 28-TSSOP 20-TSSOP 28-TSSOP 28-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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