ADS1248IPW

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Details for Texas Instruments

ADS1248IPW

24-Bit, 2kSPS, 8-Ch Delta-Sigma ADC for Precision Sensor Measurement
Buy Directly from Texas Instruments (3582 in Stock)
$6.0600 per unit
Series Information for ADS1248IPW - Texas Instruments

Features

  • feature
    4 or 8 General-Purpose I/Os (ADS1247, ADS1248)
  • feature
    Analog Multiplexer With 8 (ADS1248) and 4 (ADS1247) Independently Selectable Inputs
  • feature
    Analog Supply: Unipolar (2.7 V to 5.25 V) and Bipolar (u00b12.5 V) Operation
  • feature
    Digital Supply: 2.7 V to 5.25 V
  • feature
    Dual-Matched Programmable Excitation Current Sources
  • feature
    Internal Temperature Sensor
  • feature
    Low-Drift Internal 2.048-V Reference: 10 ppm/u00b0C (Maximum)
  • feature
    Low-Noise PGA: 48 nVRMS at PGA = 128
  • feature
    Power Supply and VREF Monitoring (ADS1247, ADS1248)
  • feature
    Programmable Data Rates Up to 2 kSPS
  • feature
    SPIu2122-Compatible Serial Interface
  • feature
    Self and System Calibration
  • feature
    Sensor Burn-Out Detection
  • feature
    Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS
  • feature
    Single-Cycle Settling for All Data Rates

Description

24BIT ADC LN DELTA SIGMA 28TSSOP
The ADS1246, ADS1247, and ADS1248 devices are precision, 24-bit analog-to-digital converters (ADCs) that include many integrated features to reduce system cost and component count for sensor measurement applications. The devices feature a low-noise, programmable gain amplifier (PGA), a precision delta-sigma (ΔΣ) ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1247 and ADS1248 devices also provide a builtin, low-drift voltage reference, and two matched programmable excitation current sources (IDACs). An input multiplexer supports four differential inputs for the ADS1248, two for the ADS1247, and one for the ADS1246. In addition, the multiplexer integrates sensor burn-out detection, voltage bias for thermocouples, system monitoring, and general purpose digital I/Os (ADS1247 and ADS1248). The PGA provides selectable gains up to 128 V/V. These features provide a complete front-end solution for temperature sensor measurement applications including thermocouples, thermistors, and resistance temperature detectors (RTDs) and other small signal measurements including resistive bridge sensors. The digital filter settles in a single cycle to support fast channel cycling when using the input multiplexer and provides data rates up to 2 kSPS. For data rates of 20 SPS or less, both 50-Hz and 60-Hz interference are rejected by the filter.

Specifications

Resolution (Bits):
24bit
Sampling Rate:
2kSPS
Input Channel Type:
Differential Single Ended
Data Interface:
Serial SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
28Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Product Range:
Octal 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
1248
IC Case Style:
TSSOP
No. of Channels:
7Channels
Operating Temperature Range:
-40°C to +125°C
Supply Current:
230µA
Supply Voltage Range:
2.7V to 5.25V
Supply Voltage Range - Analogue:
-2.5V to 0V 2.7V to 5.25V
Supply Voltage Range - Digital:
2.7V to 5.25V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet America

ADC Single Delta-Sigma 2ksps 24-bit Serial 28-Pin TSSOP Tube

Avnet America product

Avnet Europe

ADC Single Delta-Sigma 2ksps 24-bit Serial 28-Pin TSSOP Tube

Avnet Europe product

Texas Instruments

24-Bit, 2kSPS, 8-Ch Delta-Sigma ADC for Precision Sensor Measurement

Texas Instruments product

Distrelec

9.8

Distrelec product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation, which is free to download.

Conrad product