ADS61B49IRGZT

Product Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High-speed, high-resolution ADC - Designed for precision measurement applications - Offers excellent performance and accuracy - Provides reliable conversion of analog signals to digital data

Package: RGZ (VQFN-64)

Essence: The ADS61B49IRGZT is a high-performance ADC that enables accurate and fast conversion of analog signals into digital format. It is widely used in various precision measurement applications.

Packaging/Quantity: The ADS61B49IRGZT is available in a VQFN-64 package. Each package contains one unit of the ADC.

Specifications

• Resolution: 16 bits
• Sampling Rate: Up to 250 Mega Samples per Second (MSPS)
• Input Voltage Range: ±2 V
• Power Supply: +5 V
• Operating Temperature Range: -40°C to +85°C
• Differential Non-Linearity (DNL): ±0.5 LSB
• Integral Non-Linearity (INL): ±1 LSB
• Signal-to-Noise Ratio (SNR): 84 dB
• Total Harmonic Distortion (THD): -90 dB

Pin Configuration

The ADS61B49IRGZT has a total of 64 pins. The pin configuration is as follows:

Functional Features

• High-speed conversion: The ADS61B49IRGZT offers a sampling rate of up to 250 MSPS, allowing for precise capture of fast-changing analog signals.
• Excellent linearity: With low DNL and INL values, this ADC ensures accurate representation of input signals.
• Wide input voltage range: The ±2 V input voltage range allows for versatile signal acquisition in various applications.
• Low distortion: The ADC's high SNR and low THD contribute to the faithful reproduction of analog signals.

Advantages

• High resolution: The 16-bit resolution provides detailed and accurate digital representation of analog signals.
• Fast sampling rate: The high-speed conversion capability enables real-time data acquisition in time-critical applications.
• Low noise: The ADC's excellent SNR ensures minimal interference and high signal fidelity.
• Compact package: The VQFN-64 package offers a small footprint, making it suitable for space-constrained designs.

Disadvantages

• Power consumption: The ADS61B49IRGZT requires a +5 V power supply, which may be relatively higher compared to lower-resolution ADCs.
• Cost: As a high-performance ADC, the ADS61B49IRGZT may have a higher price point compared to lower-end alternatives.

Working Principles

The ADS61B49IRGZT utilizes a successive approximation register (SAR) architecture to convert analog signals into digital format. It employs a sample-and-hold circuit to capture the input voltage, followed by a comparator and a digital-to-analog converter (DAC). The SAR algorithm iteratively determines the digital code that best represents the input voltage.

Application Field Plans

The ADS61B49IRGZT is commonly used in the following application fields:

1. Test and Measurement: The high resolution and fast sampling rate make it ideal for precision measurement instruments such as oscilloscopes and spectrum analyzers.
2. Communications: The ADC can be utilized in wireless communication systems for signal processing and modulation/demodulation tasks.
3. Medical Equipment: The accurate conversion capabilities of the ADS61B49IRGZT are valuable in medical imaging devices and patient monitoring systems.
4. Industrial Automation: The ADC can be employed in industrial control systems for data acquisition and process monitoring.

Alternative Models

1. ADS61B48IRGZT: Similar to the ADS61B49IRGZT, but with a lower sampling rate of 200 MSPS.
2. ADS61B50IRGZT: Offers a higher sampling rate of 500 MSPS, suitable for applications requiring even faster conversion speeds.
3. ADS61B47IRGZT: Provides a lower resolution of 14 bits, offering a cost-effective alternative for less demanding applications.

These alternative models offer varying specifications and features to cater to different application requirements.

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