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MAX1454

Maxim
Part Number MAX1454
Manufacturer Maxim
Description Precision Sensor Signal Conditioner
Published Apr 15, 2015
Detailed Description 19-5945 Rev 0; 6/11 EVALUATION KIT AVAILABLE MAX1454 Precision Sensor Signal Conditioner with Overvoltage Protection Ge...
Datasheet PDF File MAX1454 PDF File

MAX1454
MAX1454

Overview
19-5945 Rev 0; 6/11 EVALUATION KIT AVAILABLE MAX1454 Precision Sensor Signal Conditioner with Overvoltage Protection General Description The MAX1454 is a highly integrated analog sensor signal conditioner targeted for automotive applications.
The device provides amplification, calibration, and temperature compensation to 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 of the output.
Offset and span are calibrated with integrated 16-bit DACs, allowing sensors to be truly interchangeable.
The device architecture includes a programmable sensor excitation, a 32-step programmable-gain amplifier (PGA), a 2K x 8 bits internal flash memory, four 16-bit DACs, and an on-chip temperature sensor.
In addition to offset and span compensation, the device provides a unique temperature-compensation method for offset TC and FSO TC to provide a remarkable degree of flexibility while minimizing manufacturing costs.
The device is packaged in a 16-pin TSSOP and covers the automotive AEC-Q100 Grade 1 temperature range of -40NC to +125NC.
Applications Pressure Sensors Strain Gauges Pressure Calibrators and Controllers Resistive Element Sensors Humidity Sensors Benefits and Features S Complete Signal Conditioning in a Single IC Package  Provides Amplification, Calibration, and Temperature Compensation  Accommodates Sensor Output Sensitivities from 1mV/V to 200mV/V  Overvoltage Protection to 45V  Reverse-Voltage Protection to 45V S High-Precision Compensation Reduces Downstream Circuit Complexity  Fully Analog Signal Path  16-Bit Offset and Span-Calibration Resolution  On-Chip Lookup Table Supports Multipoint Calibration Temperature Correction S Supports Both Current and Voltage-Bridge Excitation S Fast 85µs Step Response S Sensor Fault Detection S Simple PCB Layout S Single-Pin Digital Programming S No Ex...


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