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Details for ADS1294RIZXGT by Texas Instruments
Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC
Buy Directly from Texas Instruments (1393 in stock) $11.8100
ADS1294RIZXGT image

ADS1294RIZXGT by Texas Instruments

Built-In Oscillator and Reference
Built-In Right Leg Drive Amplifier, Lead-Off Detection, Wilson Center Terminal, Pace Detection, Test Signals
CMRR: u2013115 dB
Data Rate: 250 SPS to 32 kSPS
Digital Pace Detection Capability
Eight Low-Noise PGAs and Eight High-Resolution ADCs (ADS1298, ADS1298R)
Input Bias Current: 200 pA
Input-Referred Noise: 4 u03bcVPP (150 Hz BW, G = 6)
Integrated Respiration Impedance Measurement
Low Power: 0.75 mW/channel
Programmable Gain: 1, 2, 3, 4, 6, 8, or 12
SPIu2122-Compatible Serial Interface
Supports systems meeting AAMI EC11, EC13, IEC60601-1, IEC60601-2-27, and IEC60601-2-51 Standards
Unipolar or Bipolar Supplies: u2013 AVDD = 2.7 V to 5.25 V u2013 DVDD = 1.65 V to 3.6 V
Part Information
ADS1294RIZXGT image
RoHS Compliant
The ADS1294, ADS1296, ADS1298 (ADS129x) and ADS1294R, ADS1296R ADS1298R (ADS129xR) are a family of multichannel, simultaneous sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with built-in programmable gain amplifiers (PGAs), internal reference, and an onboard oscillator. The ADS129x and ADS129xR incorporate all of the features that are commonly required in medical electrocardiogram (ECG) and electroencephalogram (EEG) applications. With high levels of integration and exceptional performance, the ADS129x and ADS129xR enables the development of scalable medical instrumentation systems at significantly reduced size, power, and overall cost. The ADS129x and ADS129xR have a flexible input multiplexer (mux) per channel that can be independently connected to the internally-generated signals for test, temperature, and lead-off detection. Additionally, any configuration of input channels can be selected for derivation of the right leg drive (RLD) output signal. The ADS129x and ADS129xR operate at data rates as high as 32 kSPS, thereby allowing the implementation of software pace detection. Leadoff detection can be implemented internal to the device, either with a pullup or pulldown resistor, or an excitation current sink or source. Three integrated amplifiers generate the Wilson central terminal (WCT) and the Goldberger central terminals (GCT) required for a standard 12-lead ECG. The ADS129xR versions include a fully integrated, respiration impedance measurement function. Multiple ADS129x and ADS129xR devices can be cascaded in high channel count systems in a daisy-chain configuration. Package options include a tiny 8-mm × 8-mm, 64-ball BGA, and a TQFP-64. The ADS129x BGA version is specified over the commercial temperature range of 0°C to 70°C. The ADS129xR BGA and ADS129x TQFP versions are specified over the industrial temperature range of –40°C to +85°C.
Resolution (Bits):
Sampling Rate:
Input Channel Type:
Data Interface:
Serial SPI
Supply Voltage Type:
Supply Voltage Min:
Supply Voltage Max:
ADC / DAC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Quad 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (27-Jun-2018)
Brief Features:
Low Power
IC Function:
Low Power 8-Channel 24-bit Analogue Front-End for Bipotential Measurements
Operating Temperature Range:
-40°C to +85°C
Supply Current:
Supply Voltage Range:
1.65V to 3.6V 2.7V to 5.25V
Supply Voltage Range - Analogue:
2.7V to 5.25V
Supply Voltage Range - Digital:
1.65V to 3.6V
Alternate Descriptions
AFE General Purpose 4ADC 24-Bit 1.8V/3V 64-Pin NFBGA T/R Avnet America
AFE General Purpose 4ADC 24-Bit 1.8V/3V 64-Pin NFBGA T/R Avnet Europe
4-Channel 24-Bit ADC With Integrated Respiration Impedance and ECG Front End Texas Instruments