Overview
The ADA4891-3ARUZ-R7 is a high-performance, triple-channel operational amplifier produced by Analog Devices Inc. This CMOS amplifier is part of the ADA4891 series, which includes single, dual, triple, and quad configurations. It is designed to offer high speed and low noise, making it suitable for a wide range of applications requiring precision and reliability.
The ADA4891-3 is qualified for automotive applications and features a robust operating temperature range from -40°C to +125°C. Its high-speed performance, combined with rail-to-rail output, makes it an excellent choice for various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | 5.5 | V | |
| Operating Temperature | -40 | 125 | °C | |
| -3 dB Small-Signal Bandwidth (G = +1) | 220 | MHz | ||
| Slew Rate (G = +2, VO = 2 V step) | 170 | V/μs | ||
| Settling Time to 0.1% (G = +2, VO = 2 V step) | 30 | ns | ||
| Input Offset Voltage | ±2.5 | ±10 | mV | |
| Input Bias Current | -50 | 2 | 50 | pA |
| Output Current per Channel | 125 | mA | ||
| Input Resistance | 5 | GΩ |
Key Features
- High speed and fast settling time, with a -3 dB bandwidth of 220 MHz (G = +1) and a slew rate of 170 V/μs.
- Rail-to-rail output, ensuring maximum signal range.
- Low noise performance, with an input voltage noise of 9 nV/√Hz at 1 MHz.
- Low harmonic distortion, with HD2/HD3 of -70/-89 dBc at 1 MHz.
- Qualified for automotive applications with an operating temperature range of -40°C to +125°C.
- Low input bias current and high input resistance.
- Available in a 14-lead TSSOP package, which is lead-free and RoHS compliant.
Applications
- Automotive systems: The ADA4891-3 is qualified for automotive applications, making it suitable for use in vehicle electronics.
- Video and audio processing: Its high bandwidth and low distortion make it ideal for video and audio signal processing.
- Medical devices: The high precision and low noise characteristics are beneficial in medical equipment.
- Industrial control systems: It can be used in various industrial control and monitoring applications due to its robust performance.
- Test and measurement equipment: The amplifier's high speed and accuracy make it suitable for test and measurement instruments.
Q & A
- What is the operating temperature range of the ADA4891-3ARUZ-R7?
The operating temperature range is from -40°C to +125°C.
- What is the -3 dB bandwidth of the ADA4891-3 at a gain of +1?
The -3 dB bandwidth is 220 MHz at a gain of +1.
- What is the slew rate of the ADA4891-3?
The slew rate is 170 V/μs.
- What is the input voltage noise of the ADA4891-3 at 1 MHz?
The input voltage noise is 9 nV/√Hz at 1 MHz.
- Is the ADA4891-3 qualified for automotive applications?
- What is the package type of the ADA4891-3ARUZ-R7?
The package type is 14-lead TSSOP.
- Is the ADA4891-3 lead-free and RoHS compliant?
- What is the typical output current per channel of the ADA4891-3?
The typical output current per channel is 125 mA.
- What is the input resistance of the ADA4891-3?
The input resistance is 5 GΩ.
- What are some common applications of the ADA4891-3?
