Overview
The MAX1421ECM+D, produced by Analog Devices Inc./Maxim Integrated, is a 3.3V, 12-bit analog-to-digital converter (ADC) designed for high-performance and low-power applications. This ADC features a fully-differential input and a pipelined, 12-stage architecture with wideband track-and-hold (T/H) and digital error correction. It is optimized for applications requiring high dynamic performance, such as imaging and digital communications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage | 3.3V |
| Sampling Rate | Up to 40 Msps |
| Signal-to-Noise Ratio (SNR) | Typically 66 dB at 15 MHz input frequency |
| Power Consumption | 188 mW |
| Input Bandwidth | 400 MHz small signal -3dB bandwidth |
| Reference Voltage | Internal 2.048V precision bandgap reference |
| Clock Frequency | 100 kHz to 40 MHz |
| Package | 48-pin TQFP |
Key Features
- Fully-differential input stage with the ability to operate with single-ended inputs.
- Pipelined, 12-stage ADC architecture with wideband track-and-hold (T/H) and digital error correction.
- Internal 2.048V precision bandgap reference with flexible reference structure for internal or external reference options.
- Low power consumption of 188 mW.
- High dynamic performance with a typical SNR of 66 dB at 15 MHz input frequency.
- Small signal -3dB bandwidth of 400 MHz.
Applications
The MAX1421ECM+D is suitable for various high-performance applications, including:
- Imaging systems: Due to its high dynamic performance and low power consumption, it is ideal for imaging applications.
- Digital communications: The ADC's high sampling rate and signal-to-noise ratio make it suitable for digital communication systems.
- Medical devices: Its precision and low noise characteristics are beneficial in medical imaging and diagnostic equipment.
- Industrial automation: It can be used in high-speed data acquisition systems in industrial environments.
Q & A
- What is the resolution of the MAX1421ECM+D ADC?
The MAX1421ECM+D has a resolution of 12 bits. - What is the supply voltage for the MAX1421ECM+D?
The supply voltage is 3.3V. - What is the maximum sampling rate of the MAX1421ECM+D?
The maximum sampling rate is up to 40 Msps. - What is the typical signal-to-noise ratio (SNR) of the MAX1421ECM+D?
The typical SNR is 66 dB at an input frequency of 15 MHz. - How much power does the MAX1421ECM+D consume?
The power consumption is 188 mW. - What is the input bandwidth of the MAX1421ECM+D?
The small signal -3dB bandwidth is 400 MHz. - Does the MAX1421ECM+D have an internal reference voltage?
Yes, it has an internal 2.048V precision bandgap reference. - What is the clock frequency range for the MAX1421ECM+D?
The clock frequency ranges from 100 kHz to 40 MHz. - In what package is the MAX1421ECM+D available?
The MAX1421ECM+D is available in a 48-pin TQFP package. - What are some common applications for the MAX1421ECM+D?
Common applications include imaging systems, digital communications, medical devices, and industrial automation.
