ADS1291IRSMT
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Texas Instruments ADS1291IRSMT

Manufacturer No:
ADS1291IRSMT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC AFE 1 CHAN 24BIT 32VQFN
Delivery:
Payment:
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Product Introduction

Overview

The ADS1291IRSMT is a high-performance analog front-end (AFE) component designed and manufactured by Texas Instruments. This model is specifically tailored for biopotential signal acquisition, making it a critical component in medical and health monitoring devices. It is a 24-bit delta-sigma ADC with integrated features such as low-noise amplifiers, filters, and a built-in reference voltage source. The ADS1291IRSMT is widely used in applications like ECG (electrocardiogram), EEG (electroencephalogram), and EMG (electromyogram) monitoring systems. Its compact SSOP-16 package and low power consumption make it an ideal choice for portable and wearable health devices.

Key Specifications

ParameterValueUnitNotes
Resolution24bitsDelta-sigma ADC
Supply Voltage2.7 to 5.5VSingle supply operation
Sampling Rate32kSPSMaximum
Power Consumption1.5mWTypical, VDD=3V, fDAC=1MSPS
PackageSSOP-16-Compact form factor
Input Channels2-Dual-channel input
InterfaceSPI-Compatible
Operating Temperature-40 to 85°CIndustrial range

Key Features

  • 24-bit delta-sigma ADC for high-resolution signal acquisition.
  • Integrated low-noise amplifiers and filters for enhanced signal quality.
  • Built-in reference voltage source reduces external component requirements.
  • Low power consumption (1.5mW typical) for portable applications.
  • SPI-compatible serial interface for easy integration.
  • Compact SSOP-16 package suitable for space-constrained designs.

Applications

The ADS1291IRSMT is primarily used in medical and health monitoring devices. Its high resolution and low noise characteristics make it ideal for ECG, EEG, and EMG monitoring systems. It is also suitable for portable health devices such as fitness trackers, sleep monitors, and wearable health monitors. Additionally, its robust design and integrated features enable its use in industrial and automotive applications where precise signal acquisition is required.

Q & A

What is the resolution of the ADS1291IRSMT?

The ADS1291IRSMT features a 24-bit delta-sigma ADC for high-resolution signal acquisition.

What is the operating voltage range?

It operates on a single supply voltage ranging from 2.7V to 5.5V.

What is the maximum sampling rate?

The maximum sampling rate is 32 kSPS.

What is the typical power consumption?

The typical power consumption is 1.5mW at VDD=3V and fDAC=1MSPS.

What package does the ADS1291IRSMT come in?

It is available in a compact SSOP-16 package.

How many input channels does it support?

It supports dual-channel input.

What interface does it use?

It uses an SPI-compatible serial interface.

What is the operating temperature range?

It operates within a temperature range of -40°C to 85°C.

What are the main applications of the ADS1291IRSMT?

It is used in ECG, EEG, and EMG monitoring systems, as well as portable health devices.

Does it have a built-in reference voltage source?

Yes, it includes a built-in reference voltage source to reduce external component requirements.

Product Attributes

Number of Bits:24
Number of Channels:1
Power (Watts):495 µW
Voltage - Supply, Analog:2.7V ~ 5.25V
Voltage - Supply, Digital:1.7V ~ 3.6V
Mounting Type:Surface Mount
Package / Case:32-VFQFN Exposed Pad
Supplier Device Package:32-VQFN (4x4)
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Similar Products

Part Number ADS1291IRSMT ADS1292IRSMT ADS1191IRSMT ADS1291IRSMR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Number of Bits 24 24 16 24
Number of Channels 1 2 1 1
Power (Watts) 495 µW 740 µW 495 µW 495 µW
Voltage - Supply, Analog 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V
Voltage - Supply, Digital 1.7V ~ 3.6V 1.7V ~ 3.6V 1.7V ~ 3.6V 1.7V ~ 3.6V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Supplier Device Package 32-VQFN (4x4) 32-VQFN (4x4) 32-VQFN (4x4) 32-VQFN (4x4)

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