MAX1455
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MAX1455

Low-Cost Precision Sensor Signal Conditioner

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Part Details
Features
  • Provides Amplification, Calibration, and Temperature Compensation
  • Selectable Output Clipping Limits
  • Accommodates Sensor Output Sensitivities from 5mV/V to 40mV/V
  • Single-Pin Digital Programming
  • No External Trim Components Required
  • 16-Bit Offset and Span Calibration Resolution
  • Fully Analog Signal Path
  • PRT Bridge Can Be Used for Temperature-Correction Input
  • On-Chip Lookup Table Supports Multipoint Calibration Temperature Correction
  • Fast 3.2kHz Frequency Response
  • On-Chip Uncommitted Op Amp
  • Secure-Lock™ Prevents Data Corruption
Additional Details
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The MAX1455 is a highly integrated, sensor signal processor for resistive element sensors. The MAX1455 provides amplification, calibration, and temperature compensation that enable an overall performance approaching the inherent repeatability of the sensor. The fully analog signal path introduces no quantization noise in the output signal while enabling digitally controlled trimming with integrated 16-bit digital-to-analog converters (DACs). Offset and span are also calibrated using 16-bit DACs, allowing sensor products to be truly interchangeable.

The MAX1455 architecture includes a programmable sensor excitation, a 16-step programmable-gain amplifier (PGA), a 768-byte (6144 bits) internal EEPROM, four 16-bit DACs, an uncommitted op amp, and an on-chip temperature sensor. In addition to offset and span compensation, the MAX1455 provides a unique temperature compensation strategy that was developed to provide a remarkable degree of flexibility while minimizing testing costs.

The MAX1455 is available in die form, and in 16-pin SSOP and TSSOP packages.

Applications

  • Accelerometer Measurements
  • Humidity Sensors
  • MR and GMR Sensors
  • Piezoresistive Silicon Sensors
  • Pressure Sensors and Transducers
  • Resistive Elements Sensors
  • Strain Gauges

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Documentation
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

MAX1455EVKIT

Evaluation Kit for the MAX1455

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MAX1455EVKIT

Evaluation Kit for the MAX1455

Evaluation Kit for the MAX1455

Features and Benefits

  • Proven PCB Layout
  • Convenient On-Board Test Points
  • Fully Assembled and Tested
  • Optional Pressure Sensor (MAX1455EVKIT-CS)
  • Factory-Calibrated Over Temperature (MAX1455EVKIT-CS)
  • LabVIEW®-Based Software

Product Detail

The MAX1455 evaluation kit (EV kit) demonstrates resistive element sensor compensation and calibration using the MAX1455 and a computer. The kit includes an assembled and tested PCB, which is available with a factory-calibrated sensor (MAX1455EVKIT-CS) or without a sensor (MAX1455EVKIT-NS). The software and computer are not required for performing the initial performance evaluation of the sensor option since the EV kit is already compensated. A 10-pin ribbon cable connects the EV board to a serial-key adapter, MAX1452KEY, that plugs into a computer serial port, allowing the board to be evaluated inside an environmental chamber. The software requires a PC compatible with Windows® 95/98/2000/XP.

Applications

  • Accelerometer Measurements
  • Humidity Sensors
  • MR and GMR Sensors
  • Piezoresistive Silicon Sensors
  • Pressure Sensors and Transducers
  • Resistive Elements Sensors
  • Strain Gauges

MAX1455EVKIT-CS

Evaluation Kit for the MAX1455

zoom

MAX1455EVKIT-CS

Evaluation Kit for the MAX1455

Evaluation Kit for the MAX1455

Features and Benefits

  • Proven PCB Layout
  • Convenient On-Board Test Points
  • Fully Assembled and Tested
  • Optional Pressure Sensor (MAX1455EVKIT-CS)
  • Factory-Calibrated Over Temperature (MAX1455EVKIT-CS)
  • LabVIEW®-Based Software

Product Detail

The MAX1455 evaluation kit (EV kit) demonstrates resistive element sensor compensation and calibration using the MAX1455 and a computer. The kit includes an assembled and tested PCB, which is available with a factory-calibrated sensor (MAX1455EVKIT-CS) or without a sensor (MAX1455EVKIT-NS). The software and computer are not required for performing the initial performance evaluation of the sensor option since the EV kit is already compensated. A 10-pin ribbon cable connects the EV board to a serial-key adapter, MAX1452KEY, that plugs into a computer serial port, allowing the board to be evaluated inside an environmental chamber. The software requires a PC compatible with Windows® 95/98/2000/XP.

Applications

  • Accelerometer Measurements
  • Humidity Sensors
  • MR and GMR Sensors
  • Piezoresistive Silicon Sensors
  • Pressure Sensors and Transducers
  • Resistive Elements Sensors
  • Strain Gauges

MAX1455EVKIT-NS

Evaluation Kit for the MAX1455

zoom

MAX1455EVKIT-NS

Evaluation Kit for the MAX1455

Evaluation Kit for the MAX1455

Features and Benefits

  • Proven PCB Layout
  • Convenient On-Board Test Points
  • Fully Assembled and Tested
  • Optional Pressure Sensor (MAX1455EVKIT-CS)
  • Factory-Calibrated Over Temperature (MAX1455EVKIT-CS)
  • LabVIEW®-Based Software

Product Detail

The MAX1455 evaluation kit (EV kit) demonstrates resistive element sensor compensation and calibration using the MAX1455 and a computer. The kit includes an assembled and tested PCB, which is available with a factory-calibrated sensor (MAX1455EVKIT-CS) or without a sensor (MAX1455EVKIT-NS). The software and computer are not required for performing the initial performance evaluation of the sensor option since the EV kit is already compensated. A 10-pin ribbon cable connects the EV board to a serial-key adapter, MAX1452KEY, that plugs into a computer serial port, allowing the board to be evaluated inside an environmental chamber. The software requires a PC compatible with Windows® 95/98/2000/XP.

Applications

  • Accelerometer Measurements
  • Humidity Sensors
  • MR and GMR Sensors
  • Piezoresistive Silicon Sensors
  • Pressure Sensors and Transducers
  • Resistive Elements Sensors
  • Strain Gauges

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