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信息

ADS1198CPAGR

Texas Instruments

AFE General Purpose 8ADC 16-Bit 1.8V/3V 64-Pin TQFP T/R

制造商料号#: ADS1198CPAGR

替代型号#: ADS1198CPAGR


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描述

文档

替代/替换

信息

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.

The ADS1194/6/8 have a flexible input multiplexer 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 ADS1194/6/8 operate at data rates as high as 8kSPS, thereby allowing the implementation of software pace detection. Lead-off detection can be implemented internal to the device, either with a pull-up/pull-down resistor or an excitation current sink/source. Three integrated amplifiers generate the Wilson Center Terminal (WCT) and the Goldberger terminals (GCT) required for a standard 12-lead medical electrocardiogram (ECG).

Multiple ADS1194/6/8 devices can be cascaded in high channel count systems in a daisy-chain configuration.

Package options include a tiny 8mm × 8mm, 64-ball BGA and a TQFP-64. Both packages are specified over the temperature range of 0°C to +70°C.

 

技术参数

  • 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
  • 技术特性

    描述
    寻找类似物料
    Maximum Operating Supply Voltage
    3.6|5.25 V
    Mounting
    Surface Mount
    Number of ADC Inputs
    8
    Power Supply Type
    Analog|Digital
    Pin Count
    64
    Number of Channels per Chip
    8
    Type
    General Purpose
    Number of ADCs
    8
    MSL Level
    3
    Typical Operating Supply Voltage
    1.8|3 V
    Sampling Rate
    8 ksps
    Operating Temperature
    -40 to 85 °C
    Minimum Operating Supply Voltage
    1.65|2.7 V
    Resolution
    16 Bit
    Typical Supply Current
    0.5|1.6 mA
    Category
    General Purpose
    Max Processing Temp
    260
    Supplier Package
    TQFP
    Lead Finish
    Gold
    Product Dimensions
    10 x 10 x 1 mm
    Interface Type
    Serial (SPI)

    ECCN / UNSPSC

    描述
    ECCN:
    EAR99
    计划交货期 B:
    8542390000"
    HTSN:
    8542390001"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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