Overview
The ADA4084-1ARJZ-R2 is a single-supply, low-noise operational amplifier produced by Analog Devices Inc. This device is part of the ADA4084 series, which includes single, dual, and quad configurations. The ADA4084-1 is particularly suited for applications requiring both AC and precision DC performance, making it versatile for various signal processing, control circuits, and instrumentation needs.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | General Purpose |
| Number of Circuits | 1 |
| Output Type | Rail-to-Rail |
| Slew Rate | 4.6 V/µs |
| Gain Bandwidth Product | 15.9 MHz |
| -3db Bandwidth | 13.9 MHz |
| Current - Input Bias | 140 nA |
| Voltage - Input Offset | 40 µV |
| Current - Supply | 625 µA |
| Current - Output / Channel | 30 mA |
| Voltage - Supply Span (Min) | 3 V |
| Voltage - Supply Span (Max) | 30 V |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Package | SOT-23-5 |
Key Features
- Rail-to-Rail Input and Output: Allows the amplifier to operate with input and output signals that swing from the negative to the positive supply rail, enhancing the signal-to-noise ratio in single-supply systems.
- Low Noise: With a voltage noise of 3.9 nV/√Hz, this amplifier is suitable for applications requiring high precision and low noise.
- Wide Bandwidth: Features a 10 MHz bandwidth, making it suitable for both AC and precision DC applications.
- Low Power Consumption: Operates with a supply current of 625 µA, making it energy-efficient.
- High Gain Bandwidth Product: 15.9 MHz, which is beneficial for applications requiring high gain and bandwidth.
Applications
- Filters and Instrumentation: Ideal for building multistage filters in single-supply systems and maintaining high signal-to-noise ratios.
- Portable Telecommunications Equipment: Suitable for power supply control and protection in portable devices.
- Sensors: Compatible with Hall effect, piezoelectric, and resistive transducers due to its rail-to-rail input capability.
- Control Circuits: Useful in various control circuits requiring precision and low noise.
Q & A
- What is the ADA4084-1ARJZ-R2 used for? The ADA4084-1ARJZ-R2 is used in signal processing, control circuits, and instrumentation applications requiring low noise and high precision.
- What is the supply voltage range of the ADA4084-1ARJZ-R2? The supply voltage range is from 3 V to 30 V (or ±1.5 V to ±15 V).
- What is the slew rate of the ADA4084-1ARJZ-R2? The slew rate is 4.6 V/µs.
- What is the gain bandwidth product of the ADA4084-1ARJZ-R2? The gain bandwidth product is 15.9 MHz.
- What is the operating temperature range of the ADA4084-1ARJZ-R2? The operating temperature range is -40°C to 125°C.
- What package type is the ADA4084-1ARJZ-R2 available in? It is available in a 5-lead SOT-23 package.
- Is the ADA4084-1ARJZ-R2 RoHS compliant? Yes, it is RoHS compliant.
- What is the input bias current of the ADA4084-1ARJZ-R2? The input bias current is 140 nA.
- What is the output current per channel of the ADA4084-1ARJZ-R2? The output current per channel is 30 mA.
- What are some common applications of the ADA4084-1ARJZ-R2? Common applications include filters, instrumentation, portable telecommunications equipment, and sensor interfaces.
