General Description

The MAX1463 is a highly integrated, low-power, two-channel sensor signal processor optimized for industrial and process control applications such as pressure sensing and compensation, RTD and thermal-couple linearization, weight sensing and classification, and remote process monitoring with limit indication.

Features

? Programmable Amplification, Calibration, Linearization, and Temperature Compensation

? Two Differential or Four Single-Ended Sensor Input Channels

? Accommodates Sensor Output Sensitivities from 1mV/V to 1V/V

? Two DAC/PWM Output Signal Channels

? 4–20mA Output Capability

? 4kB of FLASH Memory for Code and Coefficients

? 128 Bytes of FLASH Memory for User Information

? Integrated Temperature Sensor

? Flexible Dual Op-Amp Blocks

? Programmable Sensor Input Gain and Offset

? Programmable Sensor Sampling Rate and Resolution

? Programmable Current Excitation Source for Bridge Sensors

? Buffered 1.25V Output Reference

? No External Trim Components Required

Applications

??? Pressure Sensor Signal Conditioning

??? Weight Measurement Systems

??? Thermocouple and RTD Linearization

??? Transducers and Transmitters

??? Process Indicators

??? Calibrators and Controllers

??? GMR and MR Magnetic Direction Sensors