Datasheet Texas Instruments ADS1294R — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | ADS1294R |
Convertidor analógico a digital de 4 canales y 24 bits con impedancia de respiración integrada y ECG frontal
Hojas de datos
ADS129x Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements datasheet
PDF, 2.5 Mb, Revisión: K, Archivo publicado: agosto 7, 2015
Extracto del documento
Precios
Estado
| ADS1294RIZXGR | ADS1294RIZXGT | |
|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | Sí | No |
Embalaje
| ADS1294RIZXGR | ADS1294RIZXGT | |
|---|---|---|
| N | 1 | 2 |
| Pin | 64 | 64 |
| Package Type | ZXG | ZXG |
| Industry STD Term | NFBGA | NFBGA |
| JEDEC Code | S-PBGA-N | S-PBGA-N |
| Package QTY | 1000 | 250 |
| Carrier | LARGE T&R | SMALL T&R |
| Device Marking | ADS1294R | ADS1294R |
| Width (mm) | 8 | 8 |
| Length (mm) | 8 | 8 |
| Thickness (mm) | 1.01 | 1.01 |
| Pitch (mm) | .8 | .8 |
| Max Height (mm) | 1.45 | 1.45 |
| Mechanical Data | Descargar | Descargar |
Paramétricos
| Parameters / Models | ADS1294RIZXGR | ADS1294RIZXGT |
|---|---|---|
| # Input Channels | 4 | 4 |
| Analog Voltage AVDD(Max), V | 5.25 | 5.25 |
| Analog Voltage AVDD(Min), V | 2.7 | 2.7 |
| Architecture | Delta-Sigma | Delta-Sigma |
| Digital Supply(Max), V | 3.6 | 3.6 |
| Digital Supply(Min), V | 1.65 | 1.65 |
| INL(Max), +/-LSB | 8 | 8 |
| Input Range(Max), V | 5.25 | 5.25 |
| Input Type | Differential,Single-Ended | Differential,Single-Ended |
| Integrated Features | Daisy-Chainable,GPIO,Oscillator,PGA | Daisy-Chainable,GPIO,Oscillator,PGA |
| Interface | SPI | SPI |
| Multi-Channel Configuration | Simultaneous Sampling | Simultaneous Sampling |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 |
| Package Group | NFBGA | NFBGA |
| Package Size: mm2:W x L, PKG | 64NFBGA: 64 mm2: 8 x 8(NFBGA) | 64NFBGA: 64 mm2: 8 x 8(NFBGA) |
| Power Consumption(Typ), mW | 4.1 | 4.1 |
| Rating | Catalog | Catalog |
| Reference Mode | Int,Ext | Int,Ext |
| Resolution, Bits | 24 | 24 |
| SNR, dB | 112 | 112 |
| Sample Rate (max), SPS | 32KSPS | 32KSPS |
| Sample Rate(Max), MSPS | 0.032 | 0.032 |
| THD(Typ), dB | -98 | -98 |
Plan ecológico
| ADS1294RIZXGR | ADS1294RIZXGT | |
|---|---|---|
| RoHS | Obediente | Obediente |
Notas de aplicación
- Thermal Noise Analysis in ECG ApplicationsPDF, 114 Kb, Archivo publicado: mayo 3, 2011
This article discusses the thermal noise source of electrocardiogram (ECG) applications basedon the ADS1298 and ADS1298R family of multichannel, simultaneous sampling, 24-bit, delta-sigma (О”ОЈ) analog-to-digital converters (ADCs). This report offers several observations on identifying the major sources of thermal noise in an ECG system, and makes several recommendations regarding how to improve t - Respiration Rate Measurement Using Impedance PneumographyPDF, 697 Kb, Archivo publicado: marzo 1, 2011
This document discusses the use of impedance pneumography as a technique to measure respiration rate. The generation of high-frequency ac current source is described, and the issues related to delay in modulated signal and finite transition times of carriers are addressed. The report also includesdescriptions of potential implementations of a respiration rate measurement system using the ADS1298 - Improving Common-Mode Rejection Using the Right-Leg Drive AmplifierPDF, 297 Kb, Archivo publicado: jul 6, 2011
This article discusses the need to improve common-mode rejection (CMR) in electrocardiogram (ECG) subsystem applications. Several different techniques to improve CMR while also considering both patient and operator safety are presented. This report also reviews the implementation of the right-leg drive (RLD) loop technique to improve CMR using the ADS129x family of analog-to-digital converters (in - Analog Front-End Design for ECG Systems Using Delta-Sigma ADCs (Rev. A)PDF, 191 Kb, Revisión: A, Archivo publicado: abr 13, 2010
This document discusses the characteristics of electrocardiogram (ECG) signals and different front-endapproaches for ECG signal acquisition. The tradeoffs between different approaches and the effects on overall system design are discussed. The report also includes descriptions of potential implementations of the front-end architecture using the ADS1258 and ADS1278 and respective noise measuremen - Analog-to-Digital Converter Grounding Practices Affect System Performance (Rev. A)PDF, 69 Kb, Revisión: A, Archivo publicado: mayo 18, 2015
- A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)PDF, 425 Kb, Revisión: B, Archivo publicado: oct 9, 2011
This glossary is a collection of the definitions of Texas Instruments' Delta-Sigma (О”ОЈ), successive approximation register (SAR), and pipeline analog-to-digital (A/D) converter specifications and performance characteristics. Although there is a considerable amount of detail in this document, the product data sheet for a particular product specification is the best and final reference. - Principles of Data Acquisition and Conversion (Rev. A)PDF, 132 Kb, Revisión: A, Archivo publicado: abr 16, 2015
Linea modelo
Serie: ADS1294R (2)
Clasificación del fabricante
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)