ADS1294CZXGT Data & Signal Conversion by Texas Instruments

AFE 24BIT 32KSPS 4CH 64NFBGA

Status: Unknown
Series: Quad 24-Bit Sigma-Delta ADCs
RoHS: Unknown
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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.

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Specifications

Resolution (Bits) 24bit
Sampling Rate 32kSPS
Input Channel Type Differential
Data Interface Serial SPI
Supply Voltage Type Single
Supply Voltage Min 2.7V
Supply Voltage Max 5.25V
ADC / DAC Case Style NFBGA
No. of Pins 64Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range Quad 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
No. of Channels 4Channels
Operating Temperature Range 0°C to +70°C
Supply Current 3.1mA
Supply Voltage Range 2.7V to 5.25V
Supply Voltage Range - Analogue 2.7V to 5.25V
Supply Voltage Range - Digital 1.65V to 3.6V

Alternative Descriptions

4-Channel 24-Bit ADC With Integrated ECG Front End | Texas Instruments


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADS1294CZXGT?

Additional datasheets, footprints and schematics for ADS1294CZXGT are listed on our Part Details page. You can also find images and similar parts to ADS1294CZXGT on this page.

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What category does ADS1294CZXGT fall under?

The ADS1294CZXGT is listed under Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC.

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You can view similar parts to ADS1294CZXGT when available in the Analog-to-Digital Converters - ADC range under the specifications section at the bottom of the details page.

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Is the ADS1294CZXGT RoHS compliant?

This part has not been flagged as RoHS Compliant.

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