Overview
The MAX132ENG+ is a CMOS, 18-bit plus sign, serial-output, analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device utilizes multi-slope integration to achieve high-resolution conversions, enabling up to 100 conversions per second. It is designed for low power consumption and high accuracy, making it suitable for various precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits plus sign |
| Operating Supply Voltage | 5 V |
| Polarity | Bipolar |
| Sampling Rate | Up to 100 conversions per second |
| Full-Scale Input Range | ±512mV |
| LSB (Least Significant Bit) | 2µV |
| Supply Current (Typical) | 60µA |
| Supply Current (Sleep Mode) | 1µA |
| Package Types | 24-pin narrow DIP, wide SO |
| Temperature Grades | Commercial and extended temperature grades |
Key Features
- High-resolution conversions using multi-slope integration.
- Low conversion noise and guaranteed operation with ±512mV full-scale input range.
- Simple 4-wire serial interface compatible with common microprocessors.
- Two's-complement output coding for simplified bipolar measurements.
- Low power consumption with typical supply current of 60µA and reduced to 1µA in sleep mode.
- Four serially programmed digital outputs for controlling external multiplexers or programmable-gain amplifiers.
Applications
The MAX132ENG+ is ideal for various precision measurement applications, including data loggers, weigh scales, data-acquisition systems, and panel meters. Its high resolution, compact size, and low power consumption make it a versatile component for a range of industrial and measurement systems.
Q & A
- What is the resolution of the MAX132ENG+ ADC?
The MAX132ENG+ has a resolution of 18 bits plus sign. - What is the operating supply voltage of the MAX132ENG+?
The operating supply voltage is 5 V. - What is the maximum sampling rate of the MAX132ENG+?
The MAX132ENG+ can perform up to 100 conversions per second. - What is the full-scale input range of the MAX132ENG+?
The full-scale input range is ±512mV. - How much power does the MAX132ENG+ consume in typical operation?
The typical supply current is 60µA, and it reduces to 1µA in sleep mode. - What types of packages are available for the MAX132ENG+?
The MAX132ENG+ is available in 24-pin narrow DIP and wide SO packages. - What are the temperature grades available for the MAX132ENG+?
The device is available in commercial and extended temperature grades. - What is the purpose of the four serially programmed digital outputs?
The four serially programmed digital outputs can be used to control an external multiplexer or programmable-gain amplifier. - How does the MAX132ENG+ simplify bipolar measurements?
The MAX132ENG+ uses two's-complement output coding to simplify bipolar measurements. - What are some common applications of the MAX132ENG+?
The MAX132ENG+ is commonly used in data loggers, weigh scales, data-acquisition systems, and panel meters.
