Overview
The ADA4075-2ACPZ-R7 is a dual, high-performance, low noise operational amplifier produced by Analog Devices Inc. This amplifier combines excellent DC and AC characteristics, making it ideal for applications requiring high fidelity and precision. The ADA4075-2 is built on Analog Devices' advanced iPolar® process, which utilizes vertical junction isolation with lateral trench isolation. This technology enables low noise performance, faster speeds, and lower power consumption in a smaller die size.
Key Specifications
| Parameter | Symbol | Typical Value | Unit |
|---|---|---|---|
| Supply Voltage | VS | ±4.5 V to ±18 V | V |
| Supply Current per Amplifier | IS | 1.8 mA | mA |
| Input Offset Voltage | Vos | 1 mV | mV |
| Slew Rate | SR | 12 V/μs | V/μs |
| Gain Bandwidth Product | GBP | 6.5 MHz | MHz |
| Voltage Noise Density | en | 2.8 nV/√Hz at 1 kHz | nV/√Hz |
| Current Noise Density | in | 1.2 pA/√Hz at 1 kHz | pA/√Hz |
| Total Harmonic Distortion + Noise | THD + N | 0.0002% at 1 kHz | % |
| Operating Temperature Range | TA | -40°C to +125°C | °C |
| Package Types | 8-lead SOIC, 2 mm × 2 mm LFCSP |
Key Features
- Ultralow Noise: 2.8 nV/√Hz at 1 kHz, making it suitable for high fidelity audio and precision instrumentation.
- Low Distortion: Total Harmonic Distortion + Noise (THD + N) of 0.0002% at 1 kHz.
- Low Power Consumption: Supply current of 1.8 mA per amplifier.
- High Slew Rate: 12 V/μs, ensuring fast response times.
- Dual-Supply Operation: Compatible with supply voltages from ±4.5 V to ±18 V.
- Unity-Gain Stable: Stable operation at unity gain.
- Extended Industrial Temperature Range: Operates from -40°C to +125°C.
Applications
- Precision Instrumentation: Ideal for high-precision measurement and instrumentation applications.
- Professional Audio: Suitable for high fidelity audio systems due to its low noise and distortion characteristics.
- Active Filters: Can be used in active filter designs requiring low noise and high precision.
- Low Noise Amplifier Front End: Excellent choice for the front end of low noise amplifier circuits.
- Integrators: Used in integrator circuits where low noise and high accuracy are crucial.
Q & A
- What is the typical voltage noise density of the ADA4075-2?
The typical voltage noise density of the ADA4075-2 is 2.8 nV/√Hz at 1 kHz.
- What is the slew rate of the ADA4075-2?
The slew rate of the ADA4075-2 is 12 V/μs.
- What are the package options available for the ADA4075-2?
The ADA4075-2 is available in 8-lead SOIC and 2 mm × 2 mm LFCSP packages.
- What is the operating temperature range of the ADA4075-2?
The operating temperature range of the ADA4075-2 is -40°C to +125°C.
- What is the typical supply current per amplifier for the ADA4075-2?
The typical supply current per amplifier for the ADA4075-2 is 1.8 mA.
- Is the ADA4075-2 unity-gain stable?
Yes, the ADA4075-2 is unity-gain stable.
- What are some common applications of the ADA4075-2?
The ADA4075-2 is commonly used in precision instrumentation, professional audio, active filters, low noise amplifier front ends, and integrators.
- What is the gain bandwidth product (GBP) of the ADA4075-2?
The gain bandwidth product (GBP) of the ADA4075-2 is 6.5 MHz.
- What is the total harmonic distortion + noise (THD + N) of the ADA4075-2?
The total harmonic distortion + noise (THD + N) of the ADA4075-2 is 0.0002% at 1 kHz.
- What is the input offset voltage of the ADA4075-2?
The input offset voltage of the ADA4075-2 is 1 mV maximum.
