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ADS1299IPAGR ADS1299 Low noise, 8-channel, 24 bit analog-to-digital converter for bioelectrical potential measurement

The ADS1299IPAGR device is a series of four channel, six channel, and eight channel low noise, 24 bit synchronous sampling Δ-Σ ADC series products. This series is equipped with a programmable gain amplifier (PGA), internal reference, and onboard oscillator. ADS1299-x has all the commonly used functions required for extracranial electroencephalogram (EEG) and electrocardiogram (ECG) applications. With high integration and excellent performance, ADS1299- x can build scalable medical instrument systems with significantly reduced size, significantly reduced power consumption, and overall cost.

characteristic

• Up to 8 low noise programmable gain amplifiers (PGAs) and 8 high-resolution synchronous sampling analog-to-digital converters (ADCs)

• Input reference noise: 1 μ VPP (bandwidth 70Hz)

• Input bias current: 300pA

• Data rate: 250 sampling rates per second (SPS) to 16 thousand samples per second (kSPS)

• common mode rejection ratio (CMRR): - 110dB

• Programmable gain: 1, 2, 4, 6, 8, 12 or 24

• Single pole or bipolar power supply:

- Simulation: 4.75V to 5.25V

- Number: 1.8V to 3.6V

• Built-in bias driver amplifier, continuous wire breakage detection, testing signal

• Built-in oscillator

• Internal or external benchmarks

• Flexible power saving and standby modes

• Compatible with ADS129x pins

• Serial interface compatible with Serial Peripheral Interface (SPI)

• Operating temperature range: -40 ° C to+85 ° C

Application

• Medical devices, including:

- Electroencephalogram (EEG) research

- Fetal electrocardiogram (ECG)

- Sleep Research Monitor

- Bispectral Index (BIS)

- Evoked Audio Potential (EAP)

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