Overview
The ADA4891-3ARUZ is a high-speed, rail-to-rail operational amplifier produced by Analog Devices Inc. This amplifier is part of the ADA4891 series, known for its high performance and versatility. It is designed to operate over a wide temperature range of -40°C to +125°C, making it suitable for various applications, including automotive and industrial environments.
The ADA4891-3ARUZ features a low-cost CMOS design, offering high speed and fast settling times, which are crucial for applications requiring rapid signal processing and high accuracy.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | 5.5 | V | |
| Input Offset Voltage | 2.5 | mV | ||
| -3 dB Small-Signal Bandwidth (G = +1) | 220 | MHz | ||
| Slew Rate | 170 | V/μs | ||
| Settling Time to 0.1% | 28 | ns | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Supply Current | 4.4 | mA | ||
| Output Current per Channel | 125 | mA | ||
| Input Bias Current | 2 | pA |
Key Features
- High speed and fast settling: -3 dB bandwidth of 220 MHz (G = +1) and slew rate of 170 V/μs.
- Rail-to-rail input and output stages, allowing for full signal swing at the input and output.
- Qualified for automotive applications with an operating temperature range of -40°C to +125°C.
- Low-cost CMOS design, making it a cost-effective solution for high-performance applications.
- Lead-free and RoHS compliant, ensuring environmental compliance.
- Available in a 14-TSSOP package, suitable for surface mount applications.
Applications
- Automotive systems: Due to its wide temperature range and high reliability, it is suitable for various automotive applications.
- Industrial control systems: The ADA4891-3ARUZ can be used in industrial control systems that require high-speed signal processing.
- Video and audio equipment: Its high bandwidth and fast settling time make it ideal for video and audio signal processing.
- Medical devices: The rail-to-rail capability and high accuracy of this amplifier make it suitable for medical device applications.
- General-purpose amplification: It can be used in a variety of general-purpose amplification tasks where high speed and accuracy are required.
Q & A
- What is the operating temperature range of the ADA4891-3ARUZ?
The operating temperature range is -40°C to +125°C.
- What is the -3 dB small-signal bandwidth of the ADA4891-3ARUZ at a gain of +1?
The -3 dB small-signal bandwidth is 220 MHz at a gain of +1.
- What is the slew rate of the ADA4891-3ARUZ?
The slew rate is 170 V/μs.
- What is the settling time to 0.1% for the ADA4891-3ARUZ?
The settling time to 0.1% is 28 ns.
- Is the ADA4891-3ARUZ qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the supply voltage range for the ADA4891-3ARUZ?
The supply voltage range is 2.7 V to 5.5 V.
- What package type is the ADA4891-3ARUZ available in?
The ADA4891-3ARUZ is available in a 14-TSSOP package.
- Is the ADA4891-3ARUZ lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the input bias current of the ADA4891-3ARUZ?
The input bias current is 2 pA.
- What is the output current per channel of the ADA4891-3ARUZ?
The output current per channel is 125 mA.
