Datasheet Texas Instruments ADS1294

Manufacturer	Texas Instruments
Series	ADS1294

Datasheets

Prices

Status

Packaging

Parametrics

Parameters / Models	ADS1294CZXGR	ADS1294CZXGT	ADS1294IPAG	ADS1294IPAGR
# Input Channels	4	4	4	4
Analog Voltage AVDD(Max), V	5.25	5.25	5.25	5.25
Analog Voltage AVDD(Min), V	2.7	2.7	2.7	2.7
Architecture	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma
Digital Supply(Max), V	3.6	3.6	3.6	3.6
Digital Supply(Min), V	1.65	1.65	1.65	1.65
INL(Max), +/-LSB	8	8	8	8
Input Range(Max), V	5.25	5.25	5.25	5.25
Input Type	Differential,Single-Ended	Differential,Single-Ended	Differential,Single-Ended	Differential,Single-Ended
Integrated Features	Daisy-Chainable,GPIO,Oscillator,PGA	Daisy-Chainable,GPIO,Oscillator,PGA	Daisy-Chainable,GPIO,Oscillator,PGA	Daisy-Chainable,GPIO,Oscillator,PGA
Interface	SPI	SPI	SPI	SPI
Multi-Channel Configuration	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling
Operating Temperature Range, C	-40 to 85,0 to 70	-40 to 85,0 to 70	-40 to 85,0 to 70	-40 to 85,0 to 70
Package Group	NFBGA	NFBGA	TQFP	TQFP
Package Size: mm2:W x L, PKG	64NFBGA: 64 mm2: 8 x 8(NFBGA)	64NFBGA: 64 mm2: 8 x 8(NFBGA)	64TQFP: 144 mm2: 12 x 12(TQFP)	64TQFP: 144 mm2: 12 x 12(TQFP)
Power Consumption(Typ), mW	3	3	3	3
Rating	Catalog	Catalog	Catalog	Catalog
Reference Mode	Int,Ext	Int,Ext	Int,Ext	Int,Ext
Resolution, Bits	24	24	24	24
SNR, dB	112	112	112	112
Sample Rate (max), SPS	32KSPS	32KSPS	32KSPS	32KSPS
Sample Rate(Max), MSPS	0.032	0.032	0.032	0.032
THD(Typ), dB	-98	-98	-98	-98

Eco Plan

Application Notes

• Download
  Thermal Noise Analysis in ECG Applications
  PDF, 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
• Download
  Respiration Rate Measurement Using Impedance Pneumography
  PDF, 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
• Download
  Understanding Lead-Off Detection in ECG (Rev. A)
  PDF, 313 Kb, Revision: A, File published: Jan 14, 2015
• Download
  Improving Common-Mode Rejection Using the Right-Leg Drive Amplifier
  PDF, 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
• Download
  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
• Download
  Analog-to-Digital Converter Grounding Practices Affect System Performance (Rev. A)
  PDF, 69 Kb, Revision: A, File published: May 18, 2015
• Download
  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.
• Download
  Principles of Data Acquisition and Conversion (Rev. A)
  PDF, 132 Kb, Revision: A, File published: Apr 16, 2015

Model Line

Manufacturer's Classification

• Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)