Overview
The MAX1421CCM+D, produced by Analog Devices Inc./Maxim Integrated, is a 3.3V, 12-bit analog-to-digital converter (ADC) designed for low-power, high-dynamic performance applications. It features a fully-differential input, pipelined, 12-stage ADC architecture with wideband track-and-hold (T/H) and digital error correction. This ADC is optimized for use in imaging and digital communications, offering a high signal-to-noise ratio (SNR) and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Frequency | 40 Msps |
| Supply Voltage | 3.3V |
| Power Consumption | 188 mW (typical) |
| Signal-to-Noise Ratio (SNR) | 66 dB at 15 MHz input frequency |
| Input Bandwidth | 400 MHz small signal -3dB bandwidth |
| Reference Voltage | Internal 2.048V precision bandgap reference |
| Output Format | Parallel, offset binary, CMOS-compatible three-state outputs |
| Package | 48-pin LQFP, 7mm x 7mm |
| Operating Temperature Range | Commercial: 0°C to +70°C, Extended Industrial: -40°C to +85°C |
Key Features
- Fully-differential input with wideband track-and-hold amplifier
- Pipelined, 12-stage ADC architecture with digital error correction
- Low power consumption with two power-down modes: reference power-down and full shutdown
- Flexible reference structure allowing internal or external reference
- Parallel, offset binary, CMOS-compatible three-state outputs
- Space-saving 48-pin LQFP package
Applications
- Medical Ultrasound Imaging
- CCD Pixel Processing
- Data Acquisition
- Radar
- IF and Baseband Digitization
Q & A
- What is the resolution of the MAX1421CCM+D ADC?
The MAX1421CCM+D has a resolution of 12 bits.
- What is the sampling frequency of the MAX1421CCM+D?
The sampling frequency is 40 Msps.
- What is the typical power consumption of the MAX1421CCM+D?
The typical power consumption is 188 mW.
- What is the signal-to-noise ratio (SNR) of the MAX1421CCM+D at 15 MHz input frequency?
The SNR is 66 dB at 15 MHz input frequency.
- Can the MAX1421CCM+D operate with single-ended inputs?
- What are the power-down modes available in the MAX1421CCM+D?
The MAX1421CCM+D features two power-down modes: reference power-down and full shutdown.
- What is the package type and size of the MAX1421CCM+D?
The MAX1421CCM+D is available in a 48-pin LQFP package, 7mm x 7mm.
- What are the operating temperature ranges for the MAX1421CCM+D?
The operating temperature ranges are commercial (0°C to +70°C) and extended industrial (-40°C to +85°C).
- What types of applications is the MAX1421CCM+D suited for?
The MAX1421CCM+D is suited for applications such as medical ultrasound imaging, CCD pixel processing, data acquisition, radar, and IF and baseband digitization.
- Does the MAX1421CCM+D have an internal reference voltage?
