Overview
The ADA4084-1ARZ is a single-channel, low-power operational amplifier produced by Analog Devices Inc. This amplifier is part of the ADA4084 series, which includes single, dual, and quad configurations. It is designed for single-supply applications that require both AC and precision DC performance. The ADA4084-1ARZ features rail-to-rail input and output, making it suitable for a wide range of applications, including filters, instrumentation, and various sensing and control systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | - |
| Gain Bandwidth Product (GBP) | 15.9 MHz | - |
| Unity-Gain Crossover | 9.9 MHz | - |
| -3 dB Closed-Loop Bandwidth | 13.9 MHz | - |
| Quiescent Current per Amplifier (Iq/Amp) | 565 µA | - |
| Operating Temperature Range | -40°C to +125°C | - |
| Input Voltage Range | 0 V to 3 V (common-mode), ±15 V (differential) | - |
| Output Voltage Range | Rail-to-Rail | - |
| Offset Voltage | 100 µV (maximum) | - |
| Slew Rate | 4.6 V/µs | - |
| Voltage Noise Density | 3.9 nV/√Hz at 1 kHz | - |
| Package Type | 8-lead SOIC-N | - |
Key Features
- Rail-to-rail input and output
- Low power consumption: 0.625 mA typical per amplifier at ±15 V
- High gain bandwidth product: 15.9 MHz at AV = 100 typical
- Unity-gain stable with a unity-gain crossover of 9.9 MHz typical
- Low offset voltage: 100 µV maximum
- High slew rate: 4.6 V/µs typical
- Low noise: 3.9 nV/√Hz typical at 1 kHz
- Wide operating temperature range: -40°C to +125°C
Applications
- Battery-powered instrumentation
- High-side and low-side sensing
- Power supply control and protection
- Telecommunications equipment
- Digital-to-analog converter (DAC) output amplifiers
- Analog-to-digital converter (ADC) input buffers
- Filters and instrumentation
- Portable telecommunications equipment
- Transducers with wide output ranges (e.g., Hall effect, piezoelectric, resistive)
Q & A
- What is the gain bandwidth product of the ADA4084-1ARZ?
The gain bandwidth product of the ADA4084-1ARZ is 15.9 MHz at AV = 100 typical.
- What is the operating temperature range of the ADA4084-1ARZ?
The operating temperature range is -40°C to +125°C.
- What is the typical quiescent current per amplifier for the ADA4084-1ARZ?
The typical quiescent current per amplifier is 565 µA.
- Does the ADA4084-1ARZ have rail-to-rail input and output capabilities?
- What is the slew rate of the ADA4084-1ARZ?
The slew rate is 4.6 V/µs typical.
- What is the voltage noise density of the ADA4084-1ARZ at 1 kHz?
The voltage noise density is 3.9 nV/√Hz at 1 kHz.
- In what package types is the ADA4084-1ARZ available?
The ADA4084-1ARZ is available in an 8-lead SOIC-N package.
- What are some common applications for the ADA4084-1ARZ?
Common applications include battery-powered instrumentation, power supply control and protection, telecommunications equipment, DAC output amplifiers, ADC input buffers, and filters.
- Is the ADA4084-1ARZ suitable for single-supply applications?
- What is the maximum offset voltage for the ADA4084-1ARZ?
The maximum offset voltage is 100 µV.
