Overview
The MAX11049ECB+ is a high-performance, 16-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11047–MAX11049 and MAX11057–MAX11059 family, known for their simultaneous sampling capabilities and robust performance characteristics. The MAX11049ECB+ is designed to operate with a 4.75V to 5.25V analog supply and a separate 2.7V to 5.25V digital supply, making it versatile for various host interfaces without the need for level shifters.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 16 bits | |
| Number of Channels | 8 | |
| Sampling Rate | 250 ksps per channel | Simultaneous sampling |
| Analog Supply Voltage (AVDD) | 4.75V to 5.25V | |
| Digital Supply Voltage (DVDD) | 2.7V to 5.25V | |
| Input Voltage Range | 0 to +5V | |
| Input Leakage Current | -1 to +1 µA | |
| Input Capacitance | 15 pF | |
| Input-Clamp Protection Current | -20 to +20 mA | |
| Throughput Rate per Channel | 250 ksps | |
| Acquisition Time (tACQ) | 1 µs | |
| Full-Power Bandwidth | > 0.2 MHz | -3dB point |
| Aperture Delay | 10 ns | |
| Analog Supply Current (IAVDD) | 39 mA | |
| Digital Supply Current (IDVDD) | 7 mA (at VDVDD = 3.3V) | |
| Shutdown Current | 10 µA (for both AVDD and DVDD) |
Key Features
- Simultaneous sampling of all channels at 250 ksps per channel.
- Independent track and hold (T/H) and SAR circuitry for each channel.
- Internal clock and internal or external reference options.
- 20MHz, bidirectional, parallel interface for conversion results and digital configuration inputs.
- Overrange protection with internal ±20mA input clamps.
- Flexible analog and digital supply voltages, eliminating the need for level shifters.
- Low power consumption with shutdown current of 10 µA for both AVDD and DVDD.
Applications
- Data acquisition systems requiring simultaneous sampling of multiple channels.
- Industrial control and automation systems.
- Medical devices, such as patient monitoring systems and diagnostic equipment.
- Aerospace and defense applications where high precision and reliability are critical.
- Automotive systems, including engine control units and safety systems.
Q & A
- What is the resolution of the MAX11049ECB+ ADC?
The MAX11049ECB+ has a resolution of 16 bits.
- How many channels does the MAX11049ECB+ support?
The MAX11049ECB+ supports 8 independent input channels.
- What is the sampling rate of the MAX11049ECB+?
The MAX11049ECB+ samples at 250 ksps per channel simultaneously.
- What are the analog and digital supply voltage ranges for the MAX11049ECB+?
The analog supply voltage (AVDD) ranges from 4.75V to 5.25V, and the digital supply voltage (DVDD) ranges from 2.7V to 5.25V.
- Does the MAX11049ECB+ have overrange protection?
- What is the full-power bandwidth of the MAX11049ECB+?
The full-power bandwidth is greater than 0.2 MHz at the -3dB point.
- What is the acquisition time (tACQ) of the MAX11049ECB+?
The acquisition time (tACQ) is 1 µs.
- Does the MAX11049ECB+ support internal or external references?
- What is the interface type and speed for the MAX11049ECB+?
The MAX11049ECB+ uses a 20MHz, bidirectional, parallel interface.
- What are typical applications for the MAX11049ECB+?
