Overview
The OPA1642AIDR is a high-performance, JFET-input operational amplifier designed by Texas Instruments. It is part of the OPA164x series, which includes single (OPA1641), dual (OPA1642), and quad (OPA1644) versions. These amplifiers are specifically tailored for audio applications, offering superior sound quality, low noise, and ultralow distortion. The OPA1642AIDR is packaged in an 8-pin SOIC (D) package and operates over a wide supply voltage range, making it versatile for various audio circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D), 8 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | ±2.25 V to ±18 V |
| Input Bias Current | 2 pA |
| Noise at 1 kHz | 5.1 nV/√Hz |
| THD+N at 1 kHz | 0.00005% |
| Slew Rate | 20 V/µs |
| Quiescent Current per Channel | 1.8 mA |
| Output Swing | Rail-to-rail |
Key Features
- Superior Sound Quality
- True JFET Input Operational Amplifier with Low Input Bias Current
- Low Noise: 5.1 nV/√Hz at 1 kHz
- Ultralow Distortion: 0.00005% at 1 kHz
- High Slew Rate: 20 V/µs
- Unity Gain Stable
- No Phase Reversal
- Low Quiescent Current: 1.8 mA per Channel
- Rail-to-rail Output
- Wide Supply Range: ±2.25 V to ±18 V
- Single, Dual, and Quad Versions Available
Applications
The OPA1642AIDR is ideal for various audio applications due to its superior sound quality, low noise, and ultralow distortion. It is suitable for use in professional audio equipment, home audio systems, audio mixing consoles, and any other application requiring high-fidelity audio amplification.
Q & A
- What is the package type of the OPA1642AIDR?
The OPA1642AIDR is packaged in an 8-pin SOIC (D) package. - What is the operating temperature range of the OPA1642AIDR?
The operating temperature range is -40°C to 85°C. - What is the supply voltage range of the OPA1642AIDR?
The supply voltage range is ±2.25 V to ±18 V. - What is the input bias current of the OPA1642AIDR?
The input bias current is 2 pA. - What is the noise level at 1 kHz for the OPA1642AIDR?
The noise level at 1 kHz is 5.1 nV/√Hz. - What is the THD+N at 1 kHz for the OPA1642AIDR?
The THD+N at 1 kHz is 0.00005%. - What is the slew rate of the OPA1642AIDR?
The slew rate is 20 V/µs. - What is the quiescent current per channel for the OPA1642AIDR?
The quiescent current per channel is 1.8 mA. - Is the OPA1642AIDR unity gain stable?
Yes, the OPA1642AIDR is unity gain stable. - Does the OPA1642AIDR have rail-to-rail output?
Yes, the OPA1642AIDR has rail-to-rail output.
