Texas Instruments
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
ADS1196CZXGT
vedi dettagli Schede tecniche

ADS1196CZXGT

Product Overview

Category

The ADS1196CZXGT belongs to the category of integrated circuits (ICs) specifically designed for biomedical applications.

Use

This IC is primarily used in medical devices and equipment for measuring and monitoring bioelectric signals, such as electrocardiograms (ECGs) and electromyograms (EMGs).

Characteristics

  • High-resolution: The ADS1196CZXGT offers high-resolution analog-to-digital conversion, enabling accurate measurement of small bioelectric signals.
  • Low noise: It features low input-referred noise, ensuring reliable signal acquisition even in noisy environments.
  • Low power consumption: The IC is designed to operate with minimal power consumption, making it suitable for portable and battery-powered medical devices.
  • Integrated features: It incorporates various features like programmable gain amplifiers, digital filters, and lead-off detection circuitry, simplifying system design and reducing external component count.

Package

The ADS1196CZXGT is available in a compact and industry-standard package, such as a 64-pin TQFP (Thin Quad Flat Package), facilitating easy integration into medical device designs.

Essence

The essence of the ADS1196CZXGT lies in its ability to accurately acquire and process bioelectric signals, providing valuable data for medical diagnosis and research purposes.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Resolution: 24 bits
  • Sampling Rate: Up to 32 kSPS (samples per second)
  • Input Channels: 8 differential or 16 single-ended channels
  • Supply Voltage Range: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The ADS1196CZXGT features a 64-pin TQFP package with the following pin configuration:

  1. VREFP
  2. VREFN
  3. AVDD
  4. DVDD
  5. CLK
  6. CS
  7. DIN
  8. DOUT
  9. DRDY
  10. RESET
  11. START
  12. PWDN
  13. GPIO1
  14. GPIO2
  15. GPIO3
  16. GPIO4
  17. GPIO5
  18. GPIO6
  19. GPIO7
  20. GPIO8
  21. GPIO9
  22. GPIO10
  23. GPIO11
  24. GPIO12
  25. GPIO13
  26. GPIO14
  27. GPIO15
  28. GPIO16
  29. GPIO17
  30. GPIO18
  31. GPIO19
  32. GPIO20
  33. GPIO21
  34. GPIO22
  35. GPIO23
  36. GPIO24
  37. GPIO25
  38. GPIO26
  39. GPIO27
  40. GPIO28
  41. GPIO29
  42. GPIO30
  43. GPIO31
  44. GPIO32
  45. GPIO33
  46. GPIO34
  47. GPIO35
  48. GPIO36
  49. GPIO37
  50. GPIO38
  51. GPIO39
  52. GPIO40
  53. GPIO41
  54. GPIO42
  55. GPIO43
  56. GPIO44
  57. GPIO45
  58. GPIO46
  59. GPIO47
  60. GPIO48
  61. GPIO49
  62. GPIO50
  63. GPIO51
  64. GND

Functional Features

  • Programmable Gain Amplifiers (PGAs): The ADS1196CZXGT includes eight PGAs, allowing for adjustable gain settings to accommodate different signal amplitudes.
  • Digital Filters: It incorporates digital filters to remove unwanted noise and artifacts from the acquired bioelectric signals, enhancing signal quality.
  • Lead-off Detection: The IC features built-in lead-off detection circuitry, enabling the detection of electrode disconnection or poor contact with the patient's skin.
  • Daisy Chain Mode: It supports daisy-chaining multiple ADS1196CZXGT ICs, simplifying the design of multi-channel medical devices.

Advantages and Disadvantages

Advantages

  • High-resolution conversion for accurate signal measurement
  • Low input-referred noise for reliable signal acquisition
  • Integrated features reduce external component count
  • Low power consumption for portable and battery-powered devices

Disadvantages

  • Limited number of input channels (8 differential or 16 single-ended)
  • Requires additional external components for complete system implementation

Working Principles

The ADS1196CZXGT operates based on the principle of analog-to-digital conversion. It receives analog bioelectric signals from electrodes, amplifies them using programmable gain amplifiers, and then converts them into digital format using high-resolution ADCs. The digital signals are further processed using digital filters to remove noise and artifacts before

10 domande e risposte comuni relative all'applicazione di ADS1196CZXGT nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of ADS1196CZXGT in technical solutions:

  1. Q: What is the ADS1196CZXGT? A: The ADS1196CZXGT is a high-performance, low-power, 8-channel analog front-end (AFE) for biopotential measurements, commonly used in medical and research applications.

  2. Q: What are the key features of the ADS1196CZXGT? A: The key features include low noise, high resolution, simultaneous sampling, programmable gain, integrated filters, and flexible digital interfaces.

  3. Q: How many channels does the ADS1196CZXGT support? A: The ADS1196CZXGT supports up to 8 channels, allowing for simultaneous measurement of multiple biopotential signals.

  4. Q: What is the power consumption of the ADS1196CZXGT? A: The ADS1196CZXGT has low power consumption, typically operating at less than 1mW per channel.

  5. Q: Can the ADS1196CZXGT be used for ECG (Electrocardiogram) measurements? A: Yes, the ADS1196CZXGT is commonly used for ECG measurements due to its high accuracy and low noise characteristics.

  6. Q: Does the ADS1196CZXGT have built-in filters? A: Yes, the ADS1196CZXGT has programmable filters that can be configured to remove unwanted noise and interference from the measured signals.

  7. Q: What is the resolution of the ADS1196CZXGT? A: The ADS1196CZXGT has a resolution of up to 24 bits, providing precise measurement capabilities.

  8. Q: Can the ADS1196CZXGT interface with microcontrollers or other digital devices? A: Yes, the ADS1196CZXGT supports various digital interfaces such as SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit), making it compatible with a wide range of microcontrollers and digital devices.

  9. Q: Is the ADS1196CZXGT suitable for wearable medical devices? A: Yes, the low power consumption and small form factor of the ADS1196CZXGT make it well-suited for integration into wearable medical devices.

  10. Q: Are there any evaluation boards or development kits available for the ADS1196CZXGT? A: Yes, Texas Instruments provides evaluation boards and development kits that can help in the prototyping and development of solutions using the ADS1196CZXGT.

Please note that these answers are general and may vary depending on specific application requirements and implementation details.