Overview
The MAX1415EWE+T is a 16-bit, low-power, 2-channel, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1415/MAX1416 family, which offers high resolution and low power consumption, making it suitable for various precision data acquisition applications. The MAX1415EWE+T features an internal oscillator, an on-chip input buffer, and a programmable gain amplifier (PGA), and it is available in a small-outline IC, wide (0.3in) package.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 16 Bits | - | - |
| Input Capacitance (AIN) | - | Gain = 1 | - | 34 pF | - | - |
| Input Sampling Rate (fs) | - | Gain = 1 to 128 | - | fCLKIN / 64 MHz | - | - |
| Common-Mode Rejection (CMR) | - | Gain = 1 | - | 105 dB | - | - |
| Power-Supply Rejection Ratio (PSRR) | - | VDD = 2.7V to 3.6V | - | - | - | dB |
| Internal-Clock Frequency (fCLK) | - | TA = -40°C to +85°C | 1 MHz | 2.4576 MHz | - | - |
| Digital Input High Voltage (VIH) | - | - | - | 2 V | - | - |
| Digital Input Low Voltage (VIL) | - | - | 0.8 V | - | - | - |
| Output Voltage Low (VOL) | - | ISINK = 800µA | - | 0.4 V | - | - |
Key Features
- High Resolution: 16-bit resolution with no missing codes.
- Low Power Consumption: Designed for low-power applications, making it suitable for battery-powered devices.
- Internal Oscillator: Features an internal oscillator with frequencies of 1 MHz or 2.4576 MHz.
- On-Chip Input Buffer and PGA: Includes an on-chip input buffer and a programmable gain amplifier (PGA) for flexible input configurations.
- Serial Interface: SPI™-/QSPI™-/MICROWIRE™-compatible serial interface for easy communication with microcontrollers.
- High Common-Mode Rejection: Offers high common-mode rejection ratios, ensuring robust performance in noisy environments.
- Multiple Package Options: Available in 16-pin PDIP, SO, and TSSOP packages).
Applications
- Industrial Automation: Suitable for precision measurement and control in industrial automation systems.
- Medical Devices: Used in medical devices requiring high accuracy and low power consumption.
- Test and Measurement Equipment: Ideal for data acquisition systems in test and measurement applications.
- Environmental Monitoring: Applied in environmental monitoring systems for precise data collection.
- Aerospace and Defense: Used in various aerospace and defense applications where high precision and reliability are critical.
Q & A
- What is the resolution of the MAX1415EWE+T ADC?
The MAX1415EWE+T has a 16-bit resolution with no missing codes).
- What are the available package options for the MAX1415EWE+T?
The device is available in 16-pin PDIP, SO, and TSSOP packages).
- What is the typical input capacitance for the MAX1415EWE+T with a gain of 1?
The typical input capacitance is 34 pF with a gain of 1).
- Does the MAX1415EWE+T have an internal oscillator?
Yes, it features an internal oscillator with frequencies of 1 MHz or 2.4576 MHz).
- What is the common-mode rejection ratio (CMR) for the MAX1415EWE+T with a gain of 1?
The CMR is 105 dB with a gain of 1).
- What type of serial interface does the MAX1415EWE+T support?
The device supports SPI™-/QSPI™-/MICROWIRE™-compatible serial interfaces).
- What is the typical output voltage low (VOL) for the MAX1415EWE+T?
The typical output voltage low (VOL) is 0.4 V with ISINK = 800µA).
- Is the MAX1415EWE+T suitable for low-power applications?
Yes, it is designed for low-power consumption, making it suitable for battery-powered devices).
- What are some common applications of the MAX1415EWE+T?
Common applications include industrial automation, medical devices, test and measurement equipment, environmental monitoring, and aerospace and defense).
- Does the MAX1415EWE+T have a programmable gain amplifier (PGA)?
Yes, it includes a programmable gain amplifier (PGA) for flexible input configurations).
