Overview
The MAX116EAX, part of the MAX116 series from Analog Devices Inc./Maxim Integrated, is a high-speed, multichannel analog-to-digital converter (ADC) designed for various data acquisition applications. This device features a 12-bit successive-approximation ADC, a +2.5V internal reference, and a bank of track/hold (T/H) amplifiers. It is known for its simultaneous sampling capability, making it suitable for applications requiring precise phase information of the sampled inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 2µs |
| Input Channels | 8 (two multiplexed inputs for each of four T/H amplifiers) |
| Input Range | ±2.5V (MAX116), ±5V (MAX115) |
| Internal Reference | +2.5V |
| Interface | Parallel interface compatible with most digital signal processors and 16-bit/32-bit microprocessors |
| Overvoltage Tolerance | ±17V |
| Package Options | Varying packages including DIP, SOIC, and TSSOP |
Key Features
- Simultaneous track/hold amplifiers preserving relative phase information of sampled inputs
- High-speed conversion rate of 2µs
- Internal +2.5V reference and buffered reference input
- Parallel interface for data access compatible with most digital signal processors and microprocessors
- Overvoltage tolerance up to ±17V on input channels
- No wait-states required for conversion results access
Applications
The MAX116EAX is suitable for a variety of data acquisition and measurement applications, including industrial control systems, medical devices, and automotive systems. Its simultaneous sampling capability makes it particularly useful in applications where preserving the phase relationship between multiple input channels is critical.
Q & A
- What is the resolution of the MAX116EAX ADC?
The MAX116EAX has a 12-bit resolution. - How long does a conversion take on the MAX116EAX?
A conversion takes 2µs. - How many input channels does the MAX116EAX have?
The MAX116EAX has eight input channels, with two multiplexed inputs for each of four track/hold amplifiers. - What is the input voltage range for the MAX116EAX?
The input voltage range is ±2.5V for the MAX116 and ±5V for the MAX115. - Does the MAX116EAX have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage. - What type of interface does the MAX116EAX use?
The MAX116EAX uses a parallel interface compatible with most digital signal processors and 16-bit/32-bit microprocessors. - Is the MAX116EAX overvoltage tolerant?
Yes, it is tolerant to ±17V on input channels. - What are the package options for the MAX116EAX?
The MAX116EAX is available in various packages including DIP, SOIC, and TSSOP. - Are wait-states required to access conversion results?
No, wait-states are not required to access conversion results. - In what types of applications is the MAX116EAX commonly used?
The MAX116EAX is commonly used in industrial control systems, medical devices, and automotive systems.
