ADA4939-2YCPZ-RL

Product Overview

Category: Integrated Circuit (IC)

Use: The ADA4939-2YCPZ-RL is a dual-channel, high-speed differential amplifier designed for use in various applications requiring wide bandwidth and low distortion. It is commonly used in communication systems, test and measurement equipment, and high-speed data acquisition.

Characteristics: - Wide Bandwidth: The ADA4939-2YCPZ-RL offers a bandwidth of up to 1 GHz, allowing for accurate signal amplification in high-frequency applications. - Low Distortion: With a low total harmonic distortion (THD) of less than 0.01%, the amplifier ensures minimal signal degradation. - High Gain: The device provides a high gain of up to 40 dB, enabling precise signal amplification. - Low Noise: The ADA4939-2YCPZ-RL features low input-referred noise, ensuring accurate signal reproduction.

Package: The ADA4939-2YCPZ-RL comes in a small form factor package, known as a 16-lead LFCSP (lead-frame chip-scale package), which allows for easy integration into compact circuit designs.

Essence: The essence of the ADA4939-2YCPZ-RL lies in its ability to amplify differential signals with high fidelity, making it an essential component in high-speed signal processing systems.

Packaging/Quantity: The ADA4939-2YCPZ-RL is typically available in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: ±5 V to ±15 V
• Input Common-Mode Voltage Range: -3 V to +3 V
• Output Voltage Swing: ±4 V
• Differential Gain: 0.01% (typical)
• Differential Phase: 0.01° (typical)
• Input Noise Voltage Density: 1.2 nV/√Hz
• Input Bias Current: 3.5 µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADA4939-2YCPZ-RL features a 16-lead LFCSP package with the following pin configuration:

Pin 1: OUTB- Pin 2: OUTB+ Pin 3: V- Pin 4: INB- Pin 5: INB+ Pin 6: GND Pin 7: INP+ Pin 8: INP- Pin 9: V+ Pin 10: EN Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: OUTA- Pin 15: OUTA+ Pin 16: NC

Functional Features

• High-Speed Differential Amplification: The ADA4939-2YCPZ-RL is capable of amplifying differential signals at high speeds, making it suitable for applications requiring accurate signal reproduction in the GHz range.
• Low Distortion: The amplifier ensures minimal distortion, enabling faithful signal amplification without introducing significant harmonic or intermodulation distortions.
• Wide Bandwidth: With a bandwidth of up to 1 GHz, the ADA4939-2YCPZ-RL can handle high-frequency signals effectively.
• Flexible Power Supply Range: The device operates over a wide supply voltage range, allowing for compatibility with various power sources.
• Enable Pin Control: The EN pin enables or disables the amplifier, providing convenient control over the amplification process.

Advantages and Disadvantages

Advantages: - High gain and low distortion enable accurate signal amplification. - Wide bandwidth allows for handling high-frequency signals. - Small form factor package facilitates integration into compact designs. - Flexible power supply range enhances compatibility.

Disadvantages: - Limited availability of alternative models with similar specifications. - Relatively higher cost compared to some other differential amplifiers in the market.

Working Principles

The ADA4939-2YCPZ-RL operates based on the principle of differential amplification. It takes two input signals, INP+ and INP-, and amplifies the voltage difference between them while rejecting common-mode noise. The amplified output is provided differentially through OUTA+ and OUTA- pins. The amplifier's internal circuitry ensures high gain, low distortion, and wide bandwidth performance.

Detailed Application Field Plans

The ADA4939-2YCPZ-RL finds applications in various fields, including:

1. Communication Systems:

   • High-speed data transmission
   • Wireless communication
   • Fiber optic communication

2. Test and Measurement Equipment:

   • Oscilloscopes
   • Spectrum analyzers
   • Signal generators

3. High-Speed Data Acquisition:

   • Data acquisition systems
   • Digitizers
   • Data loggers

4.