INA1650QPWRQ1

Overview

Category

INA1650QPWRQ1 belongs to the category of integrated circuits (ICs).

Use

It is commonly used in audio applications for amplification and signal conditioning.

Characteristics

• Low noise: INA1650QPWRQ1 offers a low noise floor, ensuring high-quality audio signals.
• High gain: It provides a high gain capability, allowing for precise amplification of weak audio signals.
• Wide bandwidth: The device has a wide frequency response range, enabling accurate reproduction of audio signals.
• Low distortion: INA1650QPWRQ1 minimizes distortion, resulting in clear and faithful audio reproduction.

Package

The INA1650QPWRQ1 is available in a small outline package (SOIC) with 16 pins.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input voltage range: ±Vs/2
• Gain range: 0dB to 60dB
• Total harmonic distortion + noise (THD+N): <0.01%
• Common-mode rejection ratio (CMRR): >80dB
• Operating temperature range: -40°C to 125°C

Pin Configuration

The pin configuration of INA1650QPWRQ1 is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | IN+ | Non-inverting input | | 4 | IN- | Inverting input | | 5 | REF | Reference voltage output | | 6 | OUT | Amplified output | | 7-8 | NC | No connection | | 9-12 | NC | No connection | | 13 | NC | No connection | | 14 | NC | No connection | | 15 | NC | No connection | | 16 | NC | No connection |

Functional Features

• Differential input: INA1650QPWRQ1 accepts differential audio signals, allowing for common-mode noise rejection.
• Gain control: The device offers adjustable gain settings to accommodate different signal levels.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered applications.
• Short-circuit protection: INA1650QPWRQ1 includes built-in short-circuit protection to prevent damage to the device.

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low noise floor - Wide frequency response - Adjustable gain settings

Disadvantages: - Limited pin configuration options - Requires external components for complete circuit implementation

Applicable Scope Products

INA1650QPWRQ1 is commonly used in the following products: - Audio mixers - Microphone preamplifiers - Audio recording equipment - Musical instruments

Working Principles

The working principle of INA1650QPWRQ1 involves amplifying the differential audio input signal while rejecting common-mode noise. It utilizes internal operational amplifiers and feedback networks to achieve accurate amplification and conditioning of the audio signal.

Application Field Cases

1. Audio Mixer: INA1650QPWRQ1 is used in a professional audio mixer to amplify and condition microphone signals before mixing them with other audio sources.
2. Studio Recording Equipment: The device is employed in studio-grade microphone preamplifiers to ensure high-fidelity audio capture.
3. Musical Instrument Amplifier: INA1650QPWRQ1 is utilized in guitar amplifiers to amplify the weak electrical signals generated by the instrument's pickups.

Alternative Models

Some alternative models to INA1650QPWRQ1 are: - AD8429 - OPA1612 - NJM2068

5 Common Technical Questions and Answers

1. Q: What is the maximum gain setting of INA1650QPWRQ1? A: The device can be set to a maximum gain of 60dB.

2. Q: Can INA1650QPWRQ1 operate with a single power supply? A: Yes, it can operate with a single power supply within the specified voltage range.

3. Q: Does INA1650QPWRQ1 require external decoupling capacitors? A: Yes, external decoupling capacitors are recommended for stable operation.

4. Q: What is the typical noise floor of INA1650QPWRQ1? A: The typical noise floor is below -100dBV.

5. Q: Can INA1650QPWRQ1 handle phantom power for microphones? A: No, it does not provide phantom power. External circuitry is required for phantom power implementation.