ADA4571BRZ

ADA4571 is an anisotropic magneto resistive (AMR) sensor with integrated signal conditioning amplifiers and ADC drivers. It produces two analogue outputs that indicate the angular position of the surrounding magnetic field. It consists of two die within one package, an AMR sensor, and a fixed gain (G = 40 nominally) instrumentation amplifier. It delivers clean and amplified cosine and sine output signals related to the angle of a rotating magnetic field. The output voltage range is ratio metric to the supply voltage. It is used in application such as absolute position measurement (linear and angle), brushless dc motor control and positioning, actuator control and positioning, contactless angular measurement and detection, magnetic angular position sensing etc.

• High precision 180° angle sensor
• Dynamic angular error is ±0.1° typical at (TA = -40°C to +150°C)
• Analog sine and cosine outputs, ratio metric output voltages
• Low thermal and lifetime drift, EMI resistant
• SAR or Σ-∆ analogue-to-digital converter (ADC) drive capable
• Magneto resistive (MR) bridge temperature compensation mode
• Fault diagnostics, minimum phase delay
• VDD from 2.7V to 5.5V
• Operating temperature is -40°C to +125°C
• Package style is 8-lead SOIC-N

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