ADS1208 适用于霍尔传感器且具有内置电流激励功能的 10MHz 调制器

描述

ADS1208是二阶

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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参数 与其它产品相比 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    

方框图

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  ADS1208 - 功能方框图