Overview
The MAX1408CAI+T is a low-power, general-purpose, multichannel data-acquisition system (DAS) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1407/MAX1408/MAX1409/MAX1414 family and is optimized for low-power applications. It operates from a single +2.7V to +3.6V power supply, making it suitable for a variety of power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | +2.7V to +3.6V |
| Run Mode Supply Current | 1.15mA |
| Sleep Mode Supply Current | 2.5µA |
| ADC Resolution | 16-bit Sigma-Delta ADC |
| Conversion Rate | 30Hz or 60Hz |
| Input Multiplexer | Differential 8:1 input multiplexer |
| Auxiliary Analog Inputs | Eight auxiliary analog inputs |
| DACs | 10-bit force/sense DACs (not included in MAX1408) |
| Package Type | 28-pin SSOP |
| Operating Temperature Range | 0°C to +70°C |
Key Features
- Low-power operation with 1.15mA in Run mode and 2.5µA in Sleep mode
- Differential 8:1 input multiplexer to the ADC
- Programmable three-state digital output
- Output to shutdown an external power supply
- Data ready output from the ADC
- Eight auxiliary analog inputs (MAX1408 specific)
- 10-bit force/sense DACs (in MAX1407 and MAX1414 models)
- SPI™/QSPI™ or MICROWIRE™-compatible serial interface
- On-chip offset calibration and buffered or unbuffered mode
- Gain of +1/3, +1, or +2V/V in unipolar or bipolar mode
- System support functions including RTC, alarm, high-frequency PLL clock output, and voltage monitors
Applications
- Medical Instruments
- Industrial Control Systems
- Portable Equipment
- Data-Acquisition Systems
- Automatic Testing
- Robotics
Q & A
- What is the supply voltage range for the MAX1408CAI+T?
The supply voltage range is +2.7V to +3.6V. - How much current does the MAX1408CAI+T consume in Run mode?
The device consumes a maximum of 1.15mA in Run mode. - What is the resolution of the ADC in the MAX1408CAI+T?
The ADC resolution is 16-bit Sigma-Delta. - How many auxiliary analog inputs does the MAX1408CAI+T have?
The MAX1408CAI+T has eight auxiliary analog inputs. - Does the MAX1408CAI+T include DACs?
No, the MAX1408CAI+T does not include DACs, unlike some other models in the family. - What type of package is the MAX1408CAI+T available in?
The device is available in a 28-pin SSOP package. - What is the operating temperature range for the MAX1408CAI+T?
The operating temperature range is 0°C to +70°C. - What serial interface protocols are supported by the MAX1408CAI+T?
The device supports SPI™/QSPI™ or MICROWIRE™-compatible serial interfaces. - Does the MAX1408CAI+T have on-chip offset calibration?
Yes, it includes on-chip offset calibration. - What are some of the system support functions available in the MAX1408CAI+T?
The device includes system support functions such as RTC, alarm, high-frequency PLL clock output, and voltage monitors.
