ADS1198CZXGR

低功耗8通道16位模拟前端的生物电位测量 Low-Power 8-Channel 16-Bit Analog Front-End for Biopotential Measurements

DESCRIPON

The ADS1194/6/8 are a family of multichannel, simultaneous sampling, 16-bit, delta-sigma ΔΣ analog-to-digital converters ADCs with a built-in programmable gain amplifier PGA, internal reference, and an onboard oscillator.

With its high levels of integration and exceptional performance, the ADS1194/6/8 family enables the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.

FEATURES

• Eight Low-Noise PGAs and Eight High-Resolution ADCs ADS1198

• Low Power: 0.55mW/channel

• Input-Referred Noise: 12μVPP 150Hz BW, G = 6

• Input Bias Current: 200pA

• Data Rate: 125SPS to 8kSPS

• CMRR: –105dB

• Programmable Gain: 1, 2, 3, 4, 6, 8, or 12

• Supports AAMI EC11, EC13, IEC60601-1, IEC60601-2-27, and IEC60601-2-51 Standards

• Supplies: Unipolar or Bipolar

   – Analog: 2.7V to 5.25V

   – Digital: 1.65V to 3.6V

• Built-In Right Leg Drive Amplifier, Lead-Off Detection, WCT, Test Signals

• Pace Detection Channel Select

• Built-In Oscillator and Reference

• Flexible Power-Down, Standby Mode

• SPI™-Compatible Serial Interface

• Operating Temperature Range: 0°C to +70°C

APPLICATIONS

• Medical Instrumentation ECG including:

   – Patient monitoring; Holter, event, stress, and vital signs Including ECG, AED, Telemedicine

   – Evoked audio potential EAP, Sleep study monitor

• High-Precision, Simultaneous, Multichannel Signal Acquisition