ADS1292RIPBS

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ADS1292RIPBS

IC AFE 2 CHAN 24BIT 32TQFP

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規格

Supplier Rochester Electronics, LLC,Texas Instruments
Package Bulk,Tube
ProductStatus Active
NumberofBits 24
NumberofChannels 2
Power(Watts) 740 µW
Voltage-SupplyAnalog 2.7V ~ 5.25V
Voltage-SupplyDigital 1.7V ~ 3.6V
MountingType Surface Mount
Package/Case 32-TQFP

概述

Description

ADS1292RIPBS is TI’s 2-channel, 24-bit biopotential front-end designed for ECG/EEG applications. It combines a high-resolution delta-sigma ADC with programmable-gain amplifiers, a bias drive (right-leg drive), lead-off detection, and a reference buffer, all in one device, plus a serial SPI interface for digital readout. The part supports configurable sampling rates and data formats, enabling low-noise, low-power biopotential measurements in portable medical devices and wearables. It’s intended for compact instrumentation where reducing external components and board area is important. The IPBS suffix denotes a specific package/variant from TI. In short, ADS1292RIPBS provides a ready-to-use, high-resolution front-end for ECG/EEG signal acquisition with integrated front-end features and simple digital communication.

Features

Here are the main features of the ADS1292RIPBS:
- Two-channel, 24-bit delta-sigma analog front-end for biopotential measurements (ECG/EEG).
- On-chip programmable-gain amplifiers (PGA) per channel.
- Integrated patient bias drive and right-leg drive for improved CMRR.
- Lead-off detection with programmable thresholds and status.
- Internal reference with buffer; option to use external reference.
- Fully differential input with high input impedance.
- SPI-compatible serial control and data interface (continuous or single-shot modes).
- Programmable data rate with selectable options and on-chip filtering.
- Low-noise, low-power design suitable for portable medical devices.
- Multiple power modes for power management.
- Compact RIPBS packaging (28-pin class) for compact system integration.

Package

ADS1292RIPBS uses a 28-pin VSSOP (Very Small Outline Package), RoHS-compliant.

Pinout

- Pin count: 28 pins.
- Function: Eight-channel, 24‑bit delta‑sigma analog front‑end for biopotentials (EEG/ECG) with an input multiplexer and programmable gain amplifiers. It uses a SPI-compatible digital interface (DIN/DOUT/SCLK/CS) plus control pins (START, DRDY, RESET, PDWN) and clock input. It also provides bias drive, reference, lead-off detection, and necessary power/ground pins (AVDD/DVDD with AGND/DGND).

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing ICs; a leading global technology company.

Application

ADS1292RIPBS is a 2-channel, low-noise biopotential front-end (24-bit) for ECG/EEG/EMG. Applications include:
- Bedside and ambulatory biopotential monitors
- Sleep studies and polysomnography
- Neurophysiology research and brain–computer interfaces
- Wearable/portable health devices
- Cardiovascular monitoring
- Laboratories requiring integrated lead-off/impedance detection and programmable gain

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