Overview
The MAX131CQH+TD is a variant of the MAX131, a 3 ½ digit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed to provide high accuracy and reliability in various measurement applications. The MAX131 series includes on-board bandgap reference and direct LED drivers, making it suitable for a range of electronic measurement instruments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | +2.5V to +7V | V |
| Input Voltage Range | Bipolar (positive and negative) | V |
| Resolution | 3 ½ digits | |
| Display Type | Direct LED drivers | |
| Package Type | Plastic Leaded Chip Carrier (PLCC) | |
| Operating Temperature Range | 0°C to +70°C | °C |
Key Features
- Single supply operation from +2.5V to +7V.
- Measures both positive and negative input voltages using a charge-pump voltage inverter.
- On-board bandgap reference for stable voltage reference.
- Direct LED drivers for display output.
- Internal oscillator for timing.
- Low power consumption and high reliability.
Applications
- Digital multimeters and other measurement instruments.
- Data acquisition systems.
- Industrial control and automation.
- Medical devices requiring precise voltage measurements.
- Automotive and aerospace applications where reliability is critical.
Q & A
- What is the supply voltage range for the MAX131CQH+TD?
The supply voltage range is from +2.5V to +7V.
- Can the MAX131CQH+TD measure both positive and negative input voltages?
Yes, it can measure both positive and negative input voltages using a charge-pump voltage inverter.
- What type of display does the MAX131CQH+TD support?
The MAX131CQH+TD supports direct LED drivers for display output.
- What is the operating temperature range for the MAX131CQH+TD?
The operating temperature range is from 0°C to +70°C.
- What is the package type of the MAX131CQH+TD?
The package type is Plastic Leaded Chip Carrier (PLCC).
- Does the MAX131CQH+TD have an internal oscillator?
Yes, it has an internal oscillator for timing.
- What are some common applications of the MAX131CQH+TD?
Common applications include digital multimeters, data acquisition systems, industrial control, medical devices, and automotive and aerospace applications.
- How does the charge-pump voltage inverter work in the MAX131CQH+TD?
The charge-pump voltage inverter generates a negative supply voltage, allowing the device to measure both positive and negative input voltages from a single power supply.
- Is the MAX131CQH+TD suitable for high-reliability applications?
Yes, it is designed with high reliability in mind, making it suitable for critical applications.
- Where can I find more detailed specifications and documentation for the MAX131CQH+TD?
You can find detailed specifications and documentation on the Analog Devices website or through their support portal.
