Overview
The MAX19505 is a dual-channel, analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of a family of high-performance ADCs designed for various high-speed applications. The MAX19505 offers 8-bit resolution and a maximum sample rate of 65Msps, making it suitable for zero-intermediate frequency (ZIF) and high-intermediate frequency (IF) sampling.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8-bit |
| Maximum Sample Rate | 65Msps |
| Analog Supply Voltage | 1.8V or 2.5V to 3.3V |
| Power Consumption (per channel) | 43mW at 65Msps |
| Signal-to-Noise Ratio (SNR) | 49.8dBFS at 70MHz |
| Spurious-Free Dynamic Range (SFDR) | 69dBc at 70MHz |
| Analog Input Bandwidth | > 850MHz |
| Input Common-Mode Voltage Range | 0.4V to 1.4V |
| Package Type | 7mm x 7mm, 48-Pin Thin QFN with Exposed Pad |
| Clock Input | Single-Ended or Differential |
| Data Output Format | Two's Complement, Gray Code, Offset Binary |
Key Features
Very-Low-Power Operation: The MAX19505 operates at very low power, consuming only 43mW per channel at 65Msps.
Excellent Dynamic Performance: It offers high SNR and SFDR, making it ideal for high-frequency applications.
User-Programmable Adjustments: Features can be adjusted through an SPI interface, including data format, clock-divider mode, and output mode.
Selectable Data Bus: Supports dual parallel CMOS or single multiplexed CMOS output data bus.
High Analog Input Bandwidth: Greater than 850MHz, suitable for a wide range of RF, IF, and baseband applications.
Programmable Data Output Timing: Simplifies high-speed digital interface with DCLK output.
CMOS Output Internal Termination Options: Programmable internal termination for CMOS outputs.
Reversible Bit Order and Data Output Test Patterns: Enhances flexibility in data handling.
Applications
Zero-Intermediate Frequency (ZIF) and High-Intermediate Frequency (IF) Sampling: Ideal for applications requiring direct sampling of high-frequency signals.
RF and Baseband Front-End Components: Suitable for DC-coupled inputs in various RF and baseband applications.
High-Speed Data Acquisition Systems: Used in systems that require high-speed, low-power analog-to-digital conversion.
Q & A
- What is the maximum sample rate of the MAX19505 ADC?
The MAX19505 has a maximum sample rate of 65Msps.
- What is the resolution of the MAX19505 ADC?
The MAX19505 offers 8-bit resolution.
- What are the available analog supply voltage options for the MAX19505?
The MAX19505 can operate from a 1.8V supply or from a 2.5V to 3.3V supply (AVDD).
- What is the power consumption per channel of the MAX19505 at 65Msps?
The power consumption per channel is 43mW at 65Msps.
- What is the typical SNR and SFDR performance of the MAX19505?
The typical SNR is 49.8dBFS and SFDR is 69dBc at 70MHz.
- What is the input common-mode voltage range of the MAX19505?
The input common-mode voltage range is 0.4V to 1.4V.
- Can the MAX19505 handle single-ended or differential analog inputs?
Yes, the MAX19505 can handle both single-ended and differential analog inputs.
- What types of clock inputs are supported by the MAX19505?
The MAX19505 supports single-ended or differential clock inputs.
- What data output formats are available for the MAX19505?
The MAX19505 supports Two's Complement, Gray Code, and Offset Binary output data formats.
- How can the features of the MAX19505 be adjusted?
Features can be adjusted through an SPI interface, including data format, clock-divider mode, and output mode.
