Overview
The MAX19538ETL+ is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is designed for applications requiring low power consumption, small size, and high dynamic performance. The MAX19538ETL+ is optimized for intermediate frequency (IF) sampling and is suitable for a wide range of applications, including those in the telecommunications, medical, and industrial sectors.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 95 Msps |
| Input Type | Single-ended or differential |
| Supply Voltage | 3.3V (analog), 1.7V to 3.6V (digital) |
| Power Consumption | 492mW (typical at 95Msps), 63µW (power-down mode) |
| Signal-to-Noise Ratio (SNR) | 68.4dB (typical at 175MHz input frequency) |
| Reference Structure | Internal 2.048V bandgap reference or external reference |
| Output Format | 12-bit, parallel, CMOS-compatible; two’s complement or Gray code |
| Package | 6mm x 6mm x 0.8mm, 40-pin thin QFN with exposed paddle (EP) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
High Sampling Rate: Up to 95 Msps, making it suitable for high-speed data acquisition.
Low Power Consumption: Consumes only 492mW at 95Msps and has a power-down mode of 63µW.
High Dynamic Performance: Maintains excellent dynamic performance from baseband to input frequencies of 175MHz and beyond.
Flexible Reference Structure: Allows the use of an internal 2.048V bandgap reference or an externally applied reference.
Differential Input: Accepts single-ended or differential signals, with a common-mode reference to simplify design.
Digital Output Format: Supports two’s complement or Gray code output formats.
Data-Valid Indicator: Eliminates the need for external components for reliable digital interfacing.
Applications
Telecommunications: Ideal for intermediate frequency (IF) sampling applications.
Medical Devices: Suitable for high-speed data acquisition in medical imaging and diagnostics.
Industrial Automation: Used in high-speed data acquisition and control systems.
Aerospace and Defense: Applies to various high-speed data acquisition and signal processing tasks.
Q & A
- Q: What is the maximum sampling rate of the MAX19538ETL+?
A: The MAX19538ETL+ has a maximum sampling rate of up to 95 Msps.
- Q: What types of input signals can the MAX19538ETL+ accept?
A: The MAX19538ETL+ can accept single-ended or differential input signals.
- Q: What is the power consumption of the MAX19538ETL+ at 95Msps?
A: The power consumption is typically 492mW at 95Msps.
- Q: Does the MAX19538ETL+ have a power-down mode?
A: Yes, it has a power-down mode that consumes 63µW.
- Q: What is the signal-to-noise ratio (SNR) of the MAX19538ETL+ at 175MHz input frequency?
A: The SNR is typically 68.4dB at 175MHz input frequency.
- Q: Can the MAX19538ETL+ use an external reference voltage?
A: Yes, it can use either the internal 2.048V bandgap reference or an externally applied reference.
- Q: What is the output format of the MAX19538ETL+?
A: The output is 12-bit, parallel, CMOS-compatible, and can be in two’s complement or Gray code format.
- Q: What is the package type and size of the MAX19538ETL+?
A: It is available in a 6mm x 6mm x 0.8mm, 40-pin thin QFN package with exposed paddle (EP).
- Q: What is the operating temperature range of the MAX19538ETL+?
A: The operating temperature range is -40°C to +85°C.
- Q: Is the MAX19538ETL+ suitable for high-speed data acquisition in medical devices?
A: Yes, it is suitable for high-speed data acquisition in medical imaging and diagnostics due to its high sampling rate and dynamic performance.
