MAX1454
Precision Sensor Signal Conditioner with Overvoltage Protection
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Low-Cost, Precision Sensor Signal Conditioner
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Features
- 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
- 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
- Supports Both Current and Voltage-Bridge Excitation
- Fast 85µs Step Response
- Sensor Fault Detection
- Simple PCB Layout
- Single-Pin Digital Programming
- No External Trim Components Required
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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 -40°C to +125°C.
Applications
- Humidity Sensors
- Pressure Calibrators and Controllers
- Pressure Sensors
- Resistive Element Sensors
- Strain Gauges
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Search
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MAX1454
Documentation
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Data Sheet 1
Reliability Data 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
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- MAX1454AUE+
- Pin/Package Drawing
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Thin Shrink Small-Outline Package
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- MAX1454AUE+T
- Pin/Package Drawing
-
Thin Shrink Small-Outline Package
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX1454AUE/V+
- Pin/Package Drawing
-
Thin Shrink Small-Outline Package
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX1454AUE/V+T
- Pin/Package Drawing
-
Thin Shrink Small-Outline Package
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
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Programmable Gain Amplifiers1 |
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PRODUCTION |
Low-Cost Precision Sensor Signal Conditioner |
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Evaluation Kits 2
MAX1454DBSYS
Evaluation System for the MAX1454
Features and Benefits
- USB Powered
- Evaluates Up to 15 MAX1454 Devices
- Daughter Board and EV Board Powered by the Master Board
- Sensor Socket on the EV Board
- On-Board ADC to Read the OUT Voltage of the MAX1454
- Windows XP-, Windows Vista-, and Windows 7-Compatible Software
- User-Friendly Graphical User Interface (GUI)
- Proven PCB Layout
- Fully Assembled and Tested
Product Detail
The MAX1454 evaluation system (EV system) includes one MAX1454 master board and one MAX1454 evaluation kit (EV board). The MAX1454 daughter board system (DB system) includes one MAX1454 daughter board and one MAX1454 EV board. The EV system, when combined with the DB system, provides a proven design to evaluate up to 15 MAX1454 precision sensor signal conditioners. The EV system also includes Windows XP®-, Windows Vista®-, and Windows® 7-compatible software that provides a simple graphical user interface (GUI) for exercising the features of the IC. The master board includes interface circuitry to communicate between the IC and the host computer, circuitry to address each of the 15 devices in a fully loaded system, and circuitry to connect to the EV board in position 1. The EV board comes installed with a MAX1454AUE/V+ in a 16-pin TSSOP package. The daughter board includes circuitry and relays to connect to the EV board. Each position in the system, with the exception of position 1, requires a daughter board and an EV board. Therefore, to evaluate 15 MAX1454 devices, one EV system and 14 DB systems are required. Figure 1 in the full data sheet shows a partially expanded system, for four positions.
Applications
- Pressure Calibrators and Controllers
- Pressure Sensors
- Resistive Element Sensors
- Strain Gauges
- Humidity Sensors
MAX1454EVSYS
Evaluation System for the MAX1454
Features and Benefits
- USB Powered
- Evaluates Up to 15 MAX1454 Devices
- Daughter Board and EV Board Powered by the Master Board
- Sensor Socket on the EV Board
- On-Board ADC to Read the OUT Voltage of the MAX1454
- Windows XP-, Windows Vista-, and Windows 7-Compatible Software
- User-Friendly Graphical User Interface (GUI)
- Proven PCB Layout
- Fully Assembled and Tested
Product Detail
The MAX1454 evaluation system (EV system) includes one MAX1454 master board and one MAX1454 evaluation kit (EV board). The MAX1454 daughter board system (DB system) includes one MAX1454 daughter board and one MAX1454 EV board. The EV system, when combined with the DB system, provides a proven design to evaluate up to 15 MAX1454 precision sensor signal conditioners. The EV system also includes Windows XP®-, Windows Vista®-, and Windows® 7-compatible software that provides a simple graphical user interface (GUI) for exercising the features of the IC. The master board includes interface circuitry to communicate between the IC and the host computer, circuitry to address each of the 15 devices in a fully loaded system, and circuitry to connect to the EV board in position 1. The EV board comes installed with a MAX1454AUE/V+ in a 16-pin TSSOP package. The daughter board includes circuitry and relays to connect to the EV board. Each position in the system, with the exception of position 1, requires a daughter board and an EV board. Therefore, to evaluate 15 MAX1454 devices, one EV system and 14 DB systems are required. Figure 1 in the full data sheet shows a partially expanded system, for four positions.
Applications
- Pressure Calibrators and Controllers
- Pressure Sensors
- Resistive Element Sensors
- Strain Gauges
- Humidity Sensors
