描述

ADS1208是二階

特性

• ±100mV Specified Input Range
• ±125mV Full-Scale Range
• 95dB typ. CMR, 82dB typ. SNR
• Adjustable Current Output for Sensor Biasing
• Digital Output Compatible to ADS1202/03
• Differential Digital Outputs
• Separate 2.7V to 5.5V Digital Supply Pin
• APPLICATIONS
  • Motor Control
  • Current Measurement
  • Hall Sensors
  • Bridge Sensors
  • Instrumentation

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參數 與其它產品相比?精密 ADCs (<=10MSPS)

? Resolution (Bits) Sample Rate (Max) (kSPS) Number of input channels Interface Operating temperature range (C) Package Group Approx. price (US$) Power consumption (Typ) (mW) Package size: mm2:W x L (PKG) Architecture Input type Multi-channel configuration Reference mode Features Input range (Max) (V) Input range (Min) (V) Analog voltage AVDD (Min) (V) Analog voltage AVDD (Max) (V) Digital supply (Min) (V) Digital supply (Max) (V) INL (Max) (+/-LSB) SINAD (dB) SNR (dB) THD (Typ) (dB) Rating ? ADS1208 ADS1205 ADS1209 16 ? ? 16 ? ? 16 ? ? 40 ? ? 40 ? ? 40 ? ? 1 ? ? 2 ? ? 2 ? ? Serial ? ? Serial ? ? Serial ? ? -40 to 85 ? ? -40 to 85 ? ? -40 to 105 ? ? TSSOP | 16 ? ? VQFN | 24 ? ? TSSOP | 24 ? ? 4.18 | 1ku ? ? 5.45 | 1ku ? ? 4.95 | 1ku ? ? 64 ? ? 59 ? ? 65.5 ? ? 16TSSOP: 22 mm2: 4.4 x 5 (TSSOP | 16) ? ? 24VQFN: 16 mm2: 4 x 4 (VQFN | 24) ? ? 24TSSOP: 50 mm2: 6.4 x 7.8 (TSSOP | 24) ? ? Delta-Sigma ? ? Delta-Sigma ? ? Delta-Sigma ? ? Differential ? ? Differential
Single-Ended ? ? Differential
Single-Ended ? ? ? ? Simultaneous Sampling ? ? Simultaneous Sampling ? ? Ext
Int ? ? Ext
Int ? ? Ext
Int ? ? Excitation Current Sources (iDACs)
Oscillator ? ? Oscillator ? ? Oscillator ? ? 5 ? ? 5 ? ? 5 ? ? 0 ? ? 0 ? ? 0 ? ? 4.5 ? ? 4.5 ? ? 4.5 ? ? 5.5 ? ? 5.5 ? ? 5.5 ? ? 2.7 ? ? 2.7 ? ? 2.7 ? ? 5.5 ? ? 5.5 ? ? 5.5 ? ? 8 ? ? 3 ? ? 8 ? ? 81.5 ? ? 88.2 ? ? 84 ? ? 82 ? ? 88.9 ? ? 90 ? ? -91 ? ? -96.6 ? ? -85 ? ? Catalog ? ? Catalog ? ? Catalog ? ?

方框圖

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  ADS1208 - 功能方框圖