Overview
The MAX155AEPI is a high-speed, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX155/MAX156 family, known for its simultaneous track/hold (T/H) capabilities, eliminating timing differences between input channel samples. The MAX155AEPI is designed for applications requiring precise and rapid data acquisition.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Analog Input Channels | 8 |
| Conversion Time Per Channel | 3.6µs |
| Resolution | 8-bit |
| Input Range | Unipolar or Bipolar, Single-Ended or Differential |
| Internal Reference Voltage | 2.5V |
| Supply Voltage | Single +5V or Dual ±5V |
| Signal-to-Noise and Distortion Ratio (SINAD) | 48 dB (typical) |
| Total Harmonic Distortion (THD) | -60 dB (typical) |
| Spurious-Free Dynamic Range (SFDR) | -62 dB (typical) |
| Aperture Delay | 20 ns (typical) |
| Aperture Delay Matching | 4 ns (typical) |
| Package Options | 28-pin PDIP, 28-pin wide SO |
Key Features
Simultaneous Sampling: Each of the 8 analog input channels has its own track/hold circuit, ensuring all channels sample at the same instant.
High-Speed Conversion: Converts a channel in 3.6µs.
Flexible Input Configurations: Supports unipolar or bipolar, single-ended or differential inputs.
Internal Reference: Features a 2.5V internal reference voltage.
Power-Down Capability: Allows for power-down to conserve energy.
Mixed Input Configurations: Enables mixed input configurations for versatile application use.
Applications
Phase-Sensitive Data Acquisition: Ideal for applications requiring precise timing and synchronization.
Vibration and Waveform Analysis: Suitable for analyzing dynamic signals.
DSP Analog Input: Used in digital signal processing systems requiring multiple analog inputs.
AC Power Meters: Employed in power measurement and monitoring systems.
Portable Data Loggers: Used in portable data acquisition systems.
Q & A
- What is the number of analog input channels in the MAX155AEPI?
The MAX155AEPI has 8 analog input channels.
- What is the conversion time per channel for the MAX155AEPI?
The conversion time per channel is 3.6µs.
- Does the MAX155AEPI support bipolar input ranges?
Yes, the MAX155AEPI supports both unipolar and bipolar input ranges.
- What is the internal reference voltage of the MAX155AEPI?
The internal reference voltage is 2.5V.
- Can the MAX155AEPI operate on a single supply voltage?
Yes, the MAX155AEPI can operate on a single +5V supply or dual ±5V supplies.
- What is the typical signal-to-noise and distortion ratio (SINAD) of the MAX155AEPI?
The typical SINAD is 48 dB.
- What are the package options available for the MAX155AEPI?
The MAX155AEPI is available in 28-pin PDIP and 28-pin wide SO packages.
- Is the MAX155AEPI suitable for phase-sensitive data acquisition?
Yes, it is ideal for phase-sensitive data acquisition due to its simultaneous sampling capability.
- Can the MAX155AEPI be used in vibration and waveform analysis?
Yes, it is suitable for vibration and waveform analysis.
- Does the MAX155AEPI have power-down capability?
Yes, the MAX155AEPI has power-down capability to conserve energy.
