Overview
The MAX1416AEWE+ 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 designed to offer high resolution and accuracy, making it suitable for a variety of precision measurement applications. The MAX1416 features an internal oscillator, an on-chip input buffer, and a programmable gain amplifier (PGA), enhancing its versatility and performance. It is available in several package options, including 16-pin PDIP, SO, and TSSOP packages.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 16 Bits | - | - |
| Integral Nonlinearity (INL) | INL | Gain = 1, bipolar mode, unbuffered | - | ±0.0015 %FSR | - | - |
| Unipolar Offset Error After Calibration | - | - | - | - | µV | - |
| Unipolar Offset Drift | - | - | - | - | 0.5 µV/°C | - |
| Reference Differential Input Range | VREF | - | 1 V | - | 3.5 V | - |
| Input High Voltage | VIH | - | - | 2 V | - | - |
| Input Low Voltage | VIL | - | 0.8 V | - | - | - |
| Internal Clock Frequency | fCLK | - | 1 MHz or 2.4576 MHz | - | - | - |
| Operating Temperature Range | TA | - | -40°C | - | 85°C | - |
Key Features
- High Resolution: Achieves 16-bit resolution with no missing codes using a sigma-delta modulator and a digital filter.
- 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 enhanced signal processing.
- Serial Interface Compatibility: Offers SPI-, QSPI-, and MICROWIRE-compatible serial interface for easy communication.
- Self-Calibration: Performs internal zero-scale and full-scale calibration to ensure high accuracy.
- Multiple Package Options: Available in 16-pin PDIP, SO, and TSSOP packages to fit various design needs.
Applications
- Industrial Instruments: Suitable for precision measurement in industrial settings.
- Weigh Scales: Used in weigh scales for accurate weight measurements.
- Strain-Gauge Measurements: Ideal for strain-gauge applications requiring high precision.
- Loop-Powered Systems: Compatible with loop-powered systems for efficient power management.
- Flow and Gas Meters: Applied in flow and gas meters for accurate flow rate measurements.
- Medical Instrumentation: Used in medical devices requiring high accuracy and reliability.
- Pressure Transducers and Thermocouple Measurements: Suitable for pressure transducers and thermocouple measurements.
- RTD Measurements: Used for Resistance Temperature Detector (RTD) measurements.
Q & A
- What is the resolution of the MAX1416AEWE+ ADC?
The MAX1416AEWE+ achieves 16-bit resolution with no missing codes.
- What types of oscillators are available in the MAX1416AEWE+?
The device features an internal oscillator with frequencies of 1 MHz or 2.4576 MHz.
- What is the operating temperature range of the MAX1416AEWE+?
The operating temperature range is from -40°C to 85°C.
- What types of packages are available for the MAX1416AEWE+?
The device is available in 16-pin PDIP, SO, and TSSOP packages.
- Does the MAX1416AEWE+ support self-calibration?
Yes, it performs internal zero-scale and full-scale calibration.
- What is the input voltage range for the reference input of the MAX1416AEWE+?
The reference differential input range is from 1 V to 3.5 V.
- Is the MAX1416AEWE+ compatible with SPI, QSPI, and MICROWIRE interfaces?
Yes, it offers compatibility with SPI-, QSPI-, and MICROWIRE-compatible serial interfaces.
- What are some common applications of the MAX1416AEWE+?
Common applications include industrial instruments, weigh scales, strain-gauge measurements, loop-powered systems, flow and gas meters, medical instrumentation, pressure transducers, thermocouple measurements, and RTD measurements.
- Does the MAX1416AEWE+ have an on-chip input buffer and PGA?
Yes, it includes an on-chip input buffer and a programmable gain amplifier (PGA).
- What is the integral nonlinearity (INL) of the MAX1416AEWE+?
The integral nonlinearity (INL) is ±0.0015 %FSR in gain = 1, bipolar mode, unbuffered.
