Datasheet Texas Instruments ADS1294 — Даташит
| Производитель | Texas Instruments |
| Серия | ADS1294 |
4-канальный 24-битный аналого-цифровой преобразователь со встроенным интерфейсом ЭКГ
Datasheets
ADS129x Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements datasheet
PDF, 2.5 Мб, Версия: K, Файл опубликован: 7 авг 2015
Выписка из документа
Цены
 Купить ADS1294 на РадиоЛоцман.Цены — от 51 до 92 627 ₽59 предложений от 33 поставщиков АЦП, 24 бит, 32 Квыборок/с, Дифференциальный, Несимметричный, Последовательный, SPI, Однополярный | |||
| ADS1294RIZXGR Texas Instruments | 711 ₽ | ||
| ADS1294IPAG Texas Instruments | от 2 105 ₽ | ||
| ADS1294IPAG Texas Instruments | по запросу | ||
| ADS1294IPAG NXP | по запросу | ||
Статус
| ADS1294CZXGR | ADS1294CZXGT | ADS1294IPAG | ADS1294IPAGR | |
|---|---|---|---|---|
| Статус продукта | В производстве | В производстве | В производстве | В производстве |
| Доступность образцов у производителя | Нет | Да | Нет | Да |
Корпус / Упаковка / Маркировка
| ADS1294CZXGR | ADS1294CZXGT | ADS1294IPAG | ADS1294IPAGR | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 64 | 64 | 64 | 64 |
| Package Type | ZXG | ZXG | PAG | PAG |
| Industry STD Term | NFBGA | NFBGA | TQFP | TQFP |
| JEDEC Code | S-PBGA-N | S-PBGA-N | S-PQFP-G | S-PQFP-G |
| Package QTY | 1000 | 250 | 160 | 1500 |
| Carrier | LARGE T&R | SMALL T&R | JEDEC TRAY (5+1) | LARGE T&R |
| Маркировка | ADS1294 | ADS1294 | ADS1294 | ADS1294 |
| Width (мм) | 8 | 8 | 10 | 10 |
| Length (мм) | 8 | 8 | 10 | 10 |
| Thickness (мм) | 1.01 | 1.01 | 1 | 1 |
| Pitch (мм) | .8 | .8 | .5 | .5 |
| Max Height (мм) | 1.45 | 1.45 | 1.2 | 1.2 |
| Mechanical Data | Скачать | Скачать | Скачать | Скачать |
Параметры
| Parameters / Models | ADS1294CZXGR | ADS1294CZXGT | ADS1294IPAG | ADS1294IPAGR |
|---|---|---|---|---|
| # Input Channels | 4 | 4 | 4 | 4 |
| Analog Voltage AVDD(Max), В | 5.25 | 5.25 | 5.25 | 5.25 |
| Analog Voltage AVDD(Min), В | 2.7 | 2.7 | 2.7 | 2.7 |
| Архитектура | Delta-Sigma | Delta-Sigma | Delta-Sigma | Delta-Sigma |
| Digital Supply(Max), В | 3.6 | 3.6 | 3.6 | 3.6 |
| Digital Supply(Min), В | 1.65 | 1.65 | 1.65 | 1.65 |
| INL(Max), +/-LSB | 8 | 8 | 8 | 8 |
| Input Range(Max), В | 5.25 | 5.25 | 5.25 | 5.25 |
| Тип входа | 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 |
| Рабочий диапазон температур, C | от -40 до 85,0 до 70 | от -40 до 85,0 до 70 | от -40 до 85,0 до 70 | от -40 до 85,0 до 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 |
| Разрешение, Bits | 24 | 24 | 24 | 24 |
| SNR, дБ | 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), дБ | -98 | -98 | -98 | -98 |
Экологический статус
| ADS1294CZXGR | ADS1294CZXGT | ADS1294IPAG | ADS1294IPAGR | |
|---|---|---|---|---|
| RoHS | Совместим | Совместим | Совместим | Совместим |
Application Notes
- Thermal Noise Analysis in ECG ApplicationsPDF, 114 Кб, Файл опубликован: 3 май 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 Кб, Файл опубликован: 1 мар 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 Кб, Версия: A, Файл опубликован: 14 янв 2015
- Improving Common-Mode Rejection Using the Right-Leg Drive AmplifierPDF, 297 Кб, Файл опубликован: 6 июл 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 Кб, Версия: A, Файл опубликован: 13 апр 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 Кб, Версия: A, Файл опубликован: 18 май 2015
- A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)PDF, 425 Кб, Версия: B, Файл опубликован: 9 окт 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 Кб, Версия: A, Файл опубликован: 16 апр 2015
Модельный ряд
Серия: ADS1294 (4)
Классификация производителя
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)
