ADS61B49IRGZR

Product Overview

Category: Integrated Circuit (IC)

Use: The ADS61B49IRGZR is a high-speed analog-to-digital converter (ADC) designed for precision data acquisition applications. It provides accurate conversion of analog signals into digital format, enabling precise measurement and analysis.

Characteristics: - High-speed sampling rate - High resolution - Low power consumption - Wide input voltage range - Differential inputs - Built-in digital signal processing capabilities

Package: The ADS61B49IRGZR comes in a small form factor package, making it suitable for space-constrained applications. It is available in a 48-pin VQFN (Very Thin Quad Flat No-Lead) package.

Essence: The essence of the ADS61B49IRGZR lies in its ability to convert analog signals with high accuracy and speed, providing reliable digital data for further processing and analysis.

Packaging/Quantity: The ADS61B49IRGZR is typically sold in reels containing multiple units. The exact quantity per reel may vary depending on the supplier.

Specifications

• Resolution: 16 bits
• Sampling Rate: Up to 250 Mega Samples Per Second (MSPS)
• Input Voltage Range: ±2 V
• Power Supply: 3.3 V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The ADS61B49IRGZR has a total of 48 pins. Here is a detailed pin configuration:

1. VREFP: Positive reference voltage input
2. VREFN: Negative reference voltage input
3. AVDD: Analog power supply
4. DVDD: Digital power supply
5. AGND: Analog ground
6. DGND: Digital ground
7. CLK: Clock input
8. CS: Chip select input
9. SDI: Serial data input
10. SDO: Serial data output
11. SCLK: Serial clock input
12. RESET: Reset input 13-28: Differential analog input pins (AIN0+ to AIN7-) 29-48: Not connected (NC)

Functional Features

1. High-Speed Conversion: The ADS61B49IRGZR offers a high sampling rate of up to 250 MSPS, allowing for precise capture of fast-changing analog signals.
2. High Resolution: With a resolution of 16 bits, it provides accurate representation of the input signal, enabling detailed analysis and measurement.
3. Low Power Consumption: The ADC is designed to operate with low power consumption, making it suitable for battery-powered applications or energy-efficient systems.
4. Digital Signal Processing: The built-in digital signal processing capabilities allow for real-time data manipulation and filtering, reducing the need for external processing components.

Advantages and Disadvantages

Advantages: - High-speed conversion enables accurate capture of fast-changing signals. - High resolution provides detailed representation of the input signal. - Low power consumption makes it suitable for portable and energy-efficient applications. - Built-in digital signal processing reduces the need for external components.

Disadvantages: - Limited input voltage range may not be suitable for applications requiring higher voltage levels. - Requires an external clock source for operation.

Working Principles

The ADS61B49IRGZR operates based on the principle of successive approximation. It samples the analog input signal at a high speed and converts it into a digital representation using a series of comparisons. The internal circuitry compares the input voltage with a reference voltage and adjusts the digital output accordingly. This process is repeated for each sample, resulting in a stream of digital data that accurately represents the input signal.

Detailed Application Field Plans

The ADS61B49IRGZR finds applications in various fields, including:

1. Communications: The high-speed and high-resolution capabilities make it suitable for digital communication systems, such as software-defined radios and wireless base stations.
2. Test and Measurement: The ADC's accuracy and speed are valuable in test and measurement equipment, enabling precise data acquisition and analysis.
3. Medical Imaging: The high resolution and low power consumption make it suitable for medical imaging devices, such as ultrasound machines and magnetic resonance imaging (MRI) systems.
4. Industrial Automation: The ADC can be used in industrial automation systems for accurate monitoring and control of analog signals.

Detailed and Complete Alternative Models

1. ADS62P49IRGCT: Similar to the ADS61B49IRGZR, this model offers a higher sampling rate of up to 500 MSPS.
2. ADS54J49IRGC: This model provides a wider input voltage range of ±5 V, making it suitable for applications requiring higher voltage levels.
3. ADS42JB49IRGC: Offering dual-channel capability, this model is designed for applications that require simultaneous conversion of multiple