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ADS1299

ACTIVO

Convertidor analógico a digital de 8 canales y 24 bits de bajo ruido para mediciones biopotenciales

Detalles del producto

Applications BIS, EAP, EEG, Fetal ECG, Sleep study monitor Number of input channels 8 Resolution (Bits) 24 Interface type SPI Operating temperature range (°C) -40 to 85 Rating Catalog
Applications BIS, EAP, EEG, Fetal ECG, Sleep study monitor Number of input channels 8 Resolution (Bits) 24 Interface type SPI Operating temperature range (°C) -40 to 85 Rating Catalog
TQFP (PAG) 64 144 mm² (12 mm × 12 mm)
  • Up to Eight Low-Noise PGAs and Eight High-Resolution Simultaneous-Sampling ADCs
  • Input-Referred Noise: 1 µVPP (70-Hz BW)
  • Input Bias Current: 300 pA
  • Data Rate: 250 SPS to 16 kSPS
  • CMRR: –110 dB
  • Programmable Gain: 1, 2, 4, 6, 8, 12, or 24
  • Unipolar or Bipolar Supplies:
    • Analog: 4.75 V to 5.25 V
    • Digital: 1.8 V to 3.6 V
  • Built-In Bias Drive Amplifier,
    Lead-Off Detection, Test Signals
  • Built-In Oscillator
  • Internal or External Reference
  • Flexible Power-Down, Standby Mode
  • Pin-Compatible with the ADS129x
  • SPI-Compatible Serial Interface
  • Operating Temperature Range: –40°C to +85°C
  • Up to Eight Low-Noise PGAs and Eight High-Resolution Simultaneous-Sampling ADCs
  • Input-Referred Noise: 1 µVPP (70-Hz BW)
  • Input Bias Current: 300 pA
  • Data Rate: 250 SPS to 16 kSPS
  • CMRR: –110 dB
  • Programmable Gain: 1, 2, 4, 6, 8, 12, or 24
  • Unipolar or Bipolar Supplies:
    • Analog: 4.75 V to 5.25 V
    • Digital: 1.8 V to 3.6 V
  • Built-In Bias Drive Amplifier,
    Lead-Off Detection, Test Signals
  • Built-In Oscillator
  • Internal or External Reference
  • Flexible Power-Down, Standby Mode
  • Pin-Compatible with the ADS129x
  • SPI-Compatible Serial Interface
  • Operating Temperature Range: –40°C to +85°C

The ADS1299-4, ADS1299-6, and ADS1299 devices are a family of four-, six-, and eight-channel, low-noise, 24-bit, simultaneous-sampling delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator. The ADS1299-x incorporates all commonly-required features for extracranial electroencephalogram (EEG) and electrocardiography (ECG) applications. With its high levels of integration and exceptional performance, the ADS1299-x enables the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.

The ADS1299-x has a flexible input multiplexer per channel that can be independently connected to the internally-generated signals for test, temperature, and lead-off detection. Additionally, any configuration of input channels can be selected for derivation of the patient bias output signal. Optional SRB pins are available to route a common signal to multiple inputs for a referential montage configuration. The ADS1299-x operates at data rates from 250 SPS to 16 kSPS. Lead-off detection can be implemented internal to the device using an excitation current sink or source.

Multiple ADS1299-4, ADS1299-6, or ADS1299 devices can be cascaded in high channel count systems in a daisy-chain configuration. The ADS1299-x is offered in a TQFP-64 package specified from –40°C to +85°C.

The ADS1299-4, ADS1299-6, and ADS1299 devices are a family of four-, six-, and eight-channel, low-noise, 24-bit, simultaneous-sampling delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator. The ADS1299-x incorporates all commonly-required features for extracranial electroencephalogram (EEG) and electrocardiography (ECG) applications. With its high levels of integration and exceptional performance, the ADS1299-x enables the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.

The ADS1299-x has a flexible input multiplexer per channel that can be independently connected to the internally-generated signals for test, temperature, and lead-off detection. Additionally, any configuration of input channels can be selected for derivation of the patient bias output signal. Optional SRB pins are available to route a common signal to multiple inputs for a referential montage configuration. The ADS1299-x operates at data rates from 250 SPS to 16 kSPS. Lead-off detection can be implemented internal to the device using an excitation current sink or source.

Multiple ADS1299-4, ADS1299-6, or ADS1299 devices can be cascaded in high channel count systems in a daisy-chain configuration. The ADS1299-x is offered in a TQFP-64 package specified from –40°C to +85°C.

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos ADS1299-x Low-Noise, 4-, 6-, 8-Channel, 24-Bit, Analog-to-Digital Converter for EEG and Biopotential Measurements datasheet (Rev. C) PDF | HTML 25/01/2017
Nota sobre la aplicación Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29/03/2023
Libro electrónico Fundamentals of Precision ADC Noise Analysis (Rev. A) 19/06/2020
Artículo técnico Smart sensing with ultra-low-power MCUs – part 4: Holter monitor PDF | HTML 8/05/2017
Guía del usuario ADS1299EEG-FE EEG Front-End Performance Demonstration Kit (Rev. B) PDF | HTML 21/01/2016
Nota sobre la aplicación Improving Common-Mode Rejection Using the Right-Leg Drive Amplifier 6/07/2011

Diseño y desarrollo

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Placa de evaluación

ADS1299EEGFE-PDK — Kit de demostración de rendimiento ADS1299

The ADS1299EEGFE-PDK is a demonstration kit for the ADS1299, an eight channel, simultaneous sampling, 24-bit, delta-sigma (Δ Σ) analog-to-digital converter (ADC) with a built-in programmable gain amplifier (PGA), internal reference, and an on-board oscillator. The ADS1299 contains the (...)

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Modelo de simulación

ADS129x IBIS Model. (Rev. A)

SBAM163A.ZIP (145 KB) - Modelo IBIS
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