Datasheet Texas Instruments ADS1294CZXGT
| Manufacturer | Texas Instruments |
| Series | ADS1294 |
| Part Number | ADS1294CZXGT |
4-Channel, 24-Bit Analog-To-Digital Converter With Integrated ECG Front End 64-NFBGA 0 to 70
Datasheets
ADS129x Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements datasheet
PDF, 2.5 Mb, Revision: K, File published: Aug 7, 2015
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Prices
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 64 |
| Package Type | ZXG |
| Industry STD Term | NFBGA |
| JEDEC Code | S-PBGA-N |
| Package QTY | 250 |
| Carrier | SMALL T&R |
| Device Marking | ADS1294 |
| Width (mm) | 8 |
| Length (mm) | 8 |
| Thickness (mm) | 1.01 |
| Pitch (mm) | .8 |
| Max Height (mm) | 1.45 |
| Mechanical Data | Download |
Parametrics
| # Input Channels | 4 |
| Analog Voltage AVDD(Max) | 5.25 V |
| Analog Voltage AVDD(Min) | 2.7 V |
| Architecture | Delta-Sigma |
| Digital Supply(Max) | 3.6 V |
| Digital Supply(Min) | 1.65 V |
| INL(Max) | 8 +/-LSB |
| Input Range(Max) | 5.25 V |
| Input Type | Differential,Single-Ended |
| Integrated Features | Daisy-Chainable,GPIO,Oscillator,PGA |
| Interface | SPI |
| Multi-Channel Configuration | Simultaneous Sampling |
| Operating Temperature Range | -40 to 85,0 to 70 C |
| Package Group | NFBGA |
| Package Size: mm2:W x L | 64NFBGA: 64 mm2: 8 x 8(NFBGA) PKG |
| Power Consumption(Typ) | 3 mW |
| Rating | Catalog |
| Reference Mode | Int,Ext |
| Resolution | 24 Bits |
| SNR | 112 dB |
| Sample Rate (max) | 32KSPS SPS |
| Sample Rate(Max) | 0.032 MSPS |
| THD(Typ) | -98 dB |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: ADS1298ECGFE-PDK
ADS1298 Performance Demonstration Kit
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- Thermal Noise Analysis in ECG ApplicationsPDF, 114 Kb, File published: May 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, File published: Mar 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 - Understanding Lead-Off Detection in ECG (Rev. A)PDF, 313 Kb, Revision: A, File published: Jan 14, 2015
- Improving Common-Mode Rejection Using the Right-Leg Drive AmplifierPDF, 297 Kb, File published: 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, Revision: A, File published: Apr 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 - Digital Filter Types in Delta-Sigma ADCsPDF, 219 Kb, File published: Jun 27, 2017
This application report discusses digital filters which are a ubiquitous feature in delta-sigma analog todigital converters (ADCs). Digital low-pass filters are essential to the functionality of a delta-sigma ADCwhich relies on oversampling and noise shaping to push quantization noise out of band. There arevariations between the types of digital filters used in delta-sigma ADCs that provide - Analog-to-Digital Converter Grounding Practices Affect System Performance (Rev. A)PDF, 69 Kb, Revision: A, File published: May 18, 2015
- A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)PDF, 425 Kb, Revision: B, File published: 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, Revision: A, File published: Apr 16, 2015
Model Line
Series: ADS1294 (4)
- ADS1294CZXGR ADS1294CZXGT ADS1294IPAG ADS1294IPAGR
Manufacturer's Classification
- Semiconductors > Data Converters > Analog-to-Digital Converters (ADCs) > Precision ADCs (<=10MSPS)
