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MAX1455

Features: Provides Amplification, Calibration, and Temperature CompensationSelectable Output Clipping LimitsAccommodates Sensor Output Sensitivities from 5mV/V to 40mV/VSingle-Pin Digital ProgrammingNo External Trim Components Required16-Bit Offset and Span Calibration ResolutionFully Analog Signa...

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SeekIC No. : 004408926 Detail

MAX1455: Features: Provides Amplification, Calibration, and Temperature CompensationSelectable Output Clipping LimitsAccommodates Sensor Output Sensitivities from 5mV/V to 40mV/VSingle-Pin Digital Programmin...

MAX1455 Data Sheet

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Part Number:
MAX1455
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



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


Application

Pressure Sensors and Transducers
Piezoresistive Silicon Sensors
Strain Gauges
Resistive Element Sensors
Accelerometers
Humidity Sensors
MR and GMR Sensors


Pinout

Connection Diagram


Specifications

Supply Voltage, VDD_ to VSS ......................................-0.3V, +6V
VDD1 - VDD2..............................................................0.3V, +0.6V
All Other Pins..................................(VSS - 0.3V) to (VDD_ + 0.3V)
Short-Circuit Duration, OUT, BDR, AMPOUT .............Continuous
Continuous Power Dissipation (TA = +70°C)
   16-Pin SSOP (derate 8.00mW/°C above +70°C) .........640mW
Operating Temperature Ranges (TMIN to TMAX)
   MAX1455EUE ..................................................-40°C to +85°C
   MAX1455AUE ................................................-40°C to +125°C
   MAX1455C/D ...................................................-40°C to +85°C
   MAX1455EAE ..................................................-40°C to +85°C
   MAX1455AAE ................................................-40°C to +125°C
Storage Temperature Range ...........................-65°C to +150°C
Lead Temperature (soldering, 10s) ............................... +300°C


Description

The MAX1455 is a highly integrated automotive analogsensor 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 onchip 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, 16-pin SSOP and TSSOP packages.




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