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ADS1208

Features: · ±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 PinApplication· Motor Control· Current Measurem...

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SeekIC No. : 004277008 Detail

ADS1208: Features: · ±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 D...

ADS1208 Data Sheet

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Part Number:
ADS1208
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· ±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


Application

· Motor Control
· Current Measurement
· Hall Sensors
· Bridge Sensors
· Instrumentation


Specifications

  ADS1205 UNIT
Supply Voltage, GND to VDD -0.3 to 6 V
Supply Voltage, GND to VDD -0.3 to 6 V
Analog Input Voltage with Respect to GND GND - 0.3 to VDD + 0.3 V
Reference Input Voltage with Respect to GND GND - 0.3 to VDD + 0.3 V
Digital Input Voltage with Respect to GND GND - 0.3 to VDD + 0.3 V
Ground voltage difference, AGND to BGND ±0.3 V
Input current to any pin except supply ±10 mA
Power Dissipation See Dissipation Rating table
Operating Virtual Junction Temperature Range, TJ -40 to +150 °C
Operating Free-Air Temperature Range, TA -40 to +85 °C
Storage Temperature Range, TSTG -65 to +150 °C
Lead Temperature (1.6mm or 1/16-inch from case for 10s) +260 °C

(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.




Description

The ADS1208 is a 2nd-order DS (delta-sigma) modulator operating at a 10MHz clock rate. The specified input range is ±100mV, optimized for current measurement with a Hall sensor, especially in motorcontrol applications. The ADS1208 contains a programmable current source for sensor biasing and has integrated input buffers for fast settling of the sample capacitors; it also requires only a minimum of external components. The differential analog input offers low noise and excellent common-mode rejection.




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