Overview
The MAX11905GTP+T, produced by Analog Devices Inc./Maxim Integrated, is a 20-bit, 1.6Msps, single-channel, fully differential Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC). This device is renowned for its excellent static and dynamic performance, coupled with best-in-class power consumption that scales directly with throughput. The MAX11905 features internal reference buffers and supports a unipolar differential ±VREF input range. It is designed to operate over a wide temperature range of -40°C to +85°C, making it suitable for various demanding applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 20-bit | |
| Sampling Rate | 1.6 Msps | |
| Input Range | Unipolar differential ±VREF | |
| Signal-to-Noise Ratio (SNR) | 98.3 dB | |
| Total Harmonic Distortion (THD) | -123 dB | |
| Integral Nonlinearity (INL) | 6 LSB (max) | |
| Supply Voltages | 3.3V (reference buffers), 1.8V (analog), 1.8V (digital), 1.5V to 3.6V (digital interface) | |
| Communication Interface | SPI-compatible serial interface | |
| Package | 20-pin, 4mm x 4mm TQFN | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Excellent static and dynamic performance with best-in-class power consumption.
- Internal reference buffers for stable and accurate conversions.
- Supports unipolar differential ±VREF input range.
- Multiple supply voltages: 3.3V for reference buffers, 1.8V for analog and digital supplies, and 1.5V to 3.6V for digital interface.
- SPI-compatible serial interface for data communication.
- No-missing codes and 6 LSB INL (max) for high accuracy.
- Compact 20-pin, 4mm x 4mm TQFN package.
Applications
- Test and Measurement
- Automatic Test Equipment
- Medical Instrumentation
- Process Control and Industrial Automation
Q & A
- What is the resolution of the MAX11905GTP+T ADC?
The MAX11905GTP+T has a 20-bit resolution.
- What is the sampling rate of the MAX11905GTP+T?
The sampling rate is 1.6 Msps.
- What is the input range of the MAX11905GTP+T?
The input range is unipolar differential ±VREF.
- What are the supply voltages for the MAX11905GTP+T?
The supply voltages include 3.3V for reference buffers, 1.8V for analog and digital supplies, and 1.5V to 3.6V for the digital interface.
- What communication interface does the MAX11905GTP+T use?
The MAX11905GTP+T uses a SPI-compatible serial interface.
- What is the operating temperature range of the MAX11905GTP+T?
The operating temperature range is -40°C to +85°C.
- What is the package type of the MAX11905GTP+T?
The MAX11905GTP+T is offered in a 20-pin, 4mm x 4mm TQFN package.
- What are some typical applications of the MAX11905GTP+T?
Typical applications include Test and Measurement, Automatic Test Equipment, Medical Instrumentation, and Process Control and Industrial Automation.
- What are the key performance metrics of the MAX11905GTP+T?
The MAX11905GTP+T achieves 98.3 dB SNR and -123 dB THD, with no-missing codes and 6 LSB INL (max).
- Is the MAX11905GTP+T suitable for high-accuracy applications?
Yes, the MAX11905GTP+T is designed for high-accuracy applications with its internal reference buffers and high SNR and low THD values.
