Overview
The OPA1652AIDGKR, produced by Texas Instruments, is a dual FET-input operational amplifier known for its low noise and ultra-low distortion characteristics. This device is part of the OPA1652 and OPA1654 family, which includes both dual and quad versions. The OPA1652AIDGKR is designed to provide superior noise and distortion performance across a wide range of supply voltages, making it suitable for various audio and general-purpose applications. It features a very low noise input stage with a folded cascode and a rail-to-rail output stage, enhancing its dynamic range and headroom.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Noise Density at 1 kHz | 4.5 | nV/√Hz |
| Distortion at 1 kHz | 0.00005% | % |
| Quiescent Current per Channel | 2 | mA |
| Input Bias Current | 10 | pA |
| Slew Rate | 10 | V/µs |
| Gain Bandwidth Product (G = 1) | 18 | MHz |
| Supply Voltage Range | ±2.25 V to ±18 V, or 4.5 V to 36 V | V |
| Operating Temperature Range | -40 to 85 | °C |
| Output Current | 50 | mA |
| Offset Voltage at 25°C | 1.5 | mV |
| Package Type | VSSOP | |
| Pins | 8 |
Key Features
- Low Noise: 4.5 nV/√Hz at 1 kHz and 3.8 nV/√Hz at 10 kHz.
- Low Distortion: 0.00005% at 1 kHz.
- Low Quiescent Current: 2 mA per channel.
- Low Input Bias Current: 10 pA.
- High Slew Rate: 10 V/µs.
- Wide Gain Bandwidth: 18 MHz (G = 1).
- Unity-Gain Stable: Stable in unity-gain configurations.
- Rail-to-Rail Output: Output swing to within 800 mV with a 2-kΩ load.
- Wide Supply Range: ±2.25 V to ±18 V, or 4.5 V to 36 V.
- Internal Phase Reversal Protection: Prevents phase reversal with excessive common-mode voltage.
- Input Protection: Protected from excessive differential voltage with back-to-back diodes).
Applications
The OPA1652AIDGKR is suitable for a variety of applications, including:
- Audio Equipment: Due to its low noise and distortion, it is ideal for high-quality audio amplification and processing.
- Professional Audio Systems: Used in mixing consoles, audio interfaces, and other professional audio equipment.
- Medical Devices: Applications requiring low noise and high precision, such as in medical diagnostic equipment.
- Industrial Control Systems: For signal conditioning and amplification in industrial control and measurement systems).
- Automotive Systems: Suitable for automotive audio and other low-noise applications within vehicles).
Q & A
- What is the typical noise density of the OPA1652AIDGKR at 1 kHz?
The typical noise density is 4.5 nV/√Hz at 1 kHz).
- What is the distortion level of the OPA1652AIDGKR at 1 kHz?
The distortion level is 0.00005% at 1 kHz).
- What is the quiescent current per channel for the OPA1652AIDGKR?
The quiescent current per channel is typically 2 mA).
- What is the input bias current of the OPA1652AIDGKR?
The input bias current is 10 pA).
- What is the slew rate of the OPA1652AIDGKR?
The slew rate is 10 V/µs).
- What is the gain bandwidth product (GBP) of the OPA1652AIDGKR at a gain of 1?
The GBP is 18 MHz at a gain of 1).
- What is the supply voltage range for the OPA1652AIDGKR?
The supply voltage range is ±2.25 V to ±18 V, or 4.5 V to 36 V).
- What is the operating temperature range for the OPA1652AIDGKR?
The operating temperature range is -40°C to 85°C).
- Does the OPA1652AIDGKR have internal phase reversal protection?
Yes, it has internal phase reversal protection).
- What type of package does the OPA1652AIDGKR come in?
The OPA1652AIDGKR comes in an 8-pin VSSOP package).
