Overview
The ADA4891-2ARZ is a high-speed, dual-channel operational amplifier produced by Analog Devices Inc. This CMOS op-amp is designed for high performance and low cost, making it versatile for a wide range of applications. It features true single-supply capability with an input voltage range extending 300 mV below the negative rail, and it operates within a wide supply range of 2.7 V to 5.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Brand | Analog Devices | |
| Amplifier Type | CMOS | |
| Mounting Type | Surface Mount | |
| Package Type | SOIC-8 | |
| Power Supply Type | Single | |
| Number of Channels per Chip | 2 | |
| Pin Count | 8 | |
| Typical Single Supply Voltage | 2.7 to 5.5 V | V |
| Typical Gain Bandwidth Product | 25 MHz | Hz |
| Typical Slew Rate | 170 V/μs | V/μs |
| Minimum Operating Temperature | -40 °C | °C |
| Maximum Operating Temperature | +125 °C | °C |
| Rail to Rail Output | Rail to Rail | |
| Typical Voltage Gain | 83 dB | dB |
| Typical Input Voltage Noise Density | 9 nV/√Hz | nV/√Hz |
| Height | 1.5 mm | mm |
| Dimensions | 5 x 4 x 1.5 mm | mm |
Key Features
- High-speed operation with a gain bandwidth product of 25 MHz and a slew rate of 170 V/μs.
- True single-supply capability with an input voltage range extending 300 mV below the negative rail.
- Rail-to-Rail output, allowing the output to swing to within 50 mV of the supply rails.
- Low power consumption of 4.4 mA per amplifier.
- Low distortion with a SFDR of 79 dBc at 1 MHz.
- High linear output current of 125 mA.
- Operating temperature range of -40°C to +125°C.
- Qualified for automotive applications.
Applications
- Automotive infotainment systems.
- Automotive driver assistance systems.
- Imaging and consumer video applications.
- Active filters and coaxial cable drivers.
- Clock buffers and photodiode preamps.
- Contact image sensor and buffer applications.
Q & A
- What is the typical gain bandwidth product of the ADA4891-2ARZ? The typical gain bandwidth product is 25 MHz.
- What is the slew rate of the ADA4891-2ARZ? The slew rate is 170 V/μs.
- What is the operating temperature range of the ADA4891-2ARZ? The operating temperature range is -40°C to +125°C.
- Does the ADA4891-2ARZ support rail-to-rail output? Yes, it supports rail-to-rail output.
- What is the typical power consumption per amplifier? The typical power consumption per amplifier is 4.4 mA.
- What is the maximum linear output current of the ADA4891-2ARZ? The maximum linear output current is 125 mA.
- Is the ADA4891-2ARZ qualified for automotive applications? Yes, it is qualified for automotive applications.
- What is the package type of the ADA4891-2ARZ? The package type is SOIC-8.
- What is the typical input voltage noise density of the ADA4891-2ARZ? The typical input voltage noise density is 9 nV/√Hz.
- What are some common applications of the ADA4891-2ARZ? Common applications include automotive infotainment systems, imaging, consumer video, active filters, and more.
