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ADS1208

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10MHz Modulator With Built-in Current Excitation for Hall Sensors

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Data sheet
ADS1208 is in the process of being discontinued
This product is in the process of being discontinued. New designs should consider an alternate product.
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Similar functionality to the compared device
ADS1202 ACTIVE Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution Internal reference, INL max of 12 LSB
ADS1203 ACTIVE Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution, ext ref option INL max of 4 LSB, smaller input range (-0.25 to 0.25 V)
ADS1204 ACTIVE Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution Higher channel count (4-Ch), single ended and differential input types, simultaneous sampling

ADS1208

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Product details

Resolution (Bits) 16 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Excitation Current Sources (iDACs), Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 64 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 82 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Excitation Current Sources (iDACs), Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 64 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 82 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
TSSOP (PW) 16 32 mm² 5 x 6.4
  • ±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
  • ±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

The ADS1208 is a 2nd-order

The ADS1208 is a 2nd-order filter Find other Precision ADCs

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Technical documentation

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* Data sheet 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements datasheet (Rev. A) 30 Mar 2005

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