SR2UARU

Product Overview

Category: Electronic Component
Use: Signal Amplification and Conditioning
Characteristics: High Gain, Low Noise, Wide Bandwidth
Package: Small Outline Integrated Circuit (SOIC)
Essence: Amplifier IC
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V to 5V
• Input Voltage Range: -0.3V to Vcc + 0.3V
• Output Voltage Swing: 0V to Vcc
• Gain Bandwidth Product: 100MHz
• Input Bias Current: 10nA
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SR2UARU is a 14-pin SOIC package with the following pin configuration:

1. Vcc (Power Supply)
2. Vcc (Power Supply)
3. IN- (Inverting Input)
4. IN+ (Non-Inverting Input)
5. OUT (Output)
6. GND (Ground)
7. GND (Ground)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)

Functional Features

• High gain of up to 1000 times amplifies weak signals for further processing.
• Low noise ensures minimal interference with the input signal.
• Wide bandwidth allows for accurate amplification of high-frequency signals.
• Single-supply operation simplifies circuit design and reduces component count.
• Rail-to-rail output swing enables full utilization of the supply voltage range.

Advantages and Disadvantages

Advantages: - High gain amplification improves signal quality. - Low noise ensures accurate signal conditioning. - Wide bandwidth allows for amplification of high-frequency signals. - Small package size saves board space. - Single-supply operation simplifies circuit design.

Disadvantages: - Limited output swing may not be suitable for applications requiring large voltage swings. - Non-standard pin configuration may require additional PCB layout considerations.

Working Principles

The SR2UARU is a voltage-feedback operational amplifier designed to amplify and condition analog signals. It operates by taking the difference between the inverting (IN-) and non-inverting (IN+) input voltages and amplifying this difference by a fixed gain. The amplified signal is then available at the output pin (OUT). The amplifier is powered by a single supply voltage (Vcc) and provides rail-to-rail output swing, allowing it to operate with signals close to the supply rails.

Detailed Application Field Plans

The SR2UARU is commonly used in various applications that require signal amplification and conditioning. Some of the typical application fields include:

1. Audio Amplification: The SR2UARU can be used to amplify audio signals in audio systems, such as speakers and headphones.
2. Sensor Signal Conditioning: It can be employed to amplify and condition weak signals from sensors, such as temperature sensors or pressure sensors.
3. Communication Systems: The amplifier can be utilized in communication systems to amplify signals before transmission or after reception.
4. Instrumentation: It finds application in precision measurement instruments where accurate signal conditioning is required.

Detailed and Complete Alternative Models

1. SR1UARU: Similar to SR2UARU but with a lower gain bandwidth product of 50MHz.
2. SR3UARU: Similar to SR2UARU but with a higher gain bandwidth product of 200MHz.
3. SR4UARU: Similar to SR2UARU but with a wider supply voltage range of 2.7V to 5.5V.

These alternative models provide options with different performance characteristics to suit specific application requirements.

In conclusion, the SR2UARU is a versatile signal amplification and conditioning IC that offers high gain, low noise, and wide bandwidth. Its small package size and single-supply operation make it suitable for various applications in audio systems, sensor signal conditioning, communication systems, and instrumentation. While it has limitations in terms of output swing and pin configuration, alternative models are available to cater to different needs.