Overview
The AD8040ARUZ-REEL, produced by Analog Devices Inc., is a quad, rail-to-rail input and output high-speed operational amplifier. This device is part of the AD8040 family, which includes single (AD8029), dual (AD8030), and quad (AD8040) configurations. The AD8040 is designed for low power consumption, with a quiescent current of only 1.3 mA per amplifier, while maintaining high performance characteristics such as a 125 MHz small signal bandwidth and a 60 V/µs slew rate. The amplifier operates on a wide range of supply voltages from 2.7 V to 12 V, making it versatile for various applications, including battery-powered systems and high-density component designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | 12 | V | |
| Quiescent Current per Amplifier | 1.3 | mA | ||
| Small Signal Bandwidth | 125 | MHz | ||
| Slew Rate | 60 | V/µs | ||
| Input Offset Voltage Drift | 25 | µV/°C | ||
| Input Bias Current | -1.8 | -2.8 | 2 | µA |
| Input Common-Mode Voltage Range | -0.2 | +5.2 | V | |
| Common-Mode Rejection Ratio | 80 | 90 | dB | |
| Output Voltage Swing (RL = 1 kΩ) | -VS + 0.17 | +VS - 0.17 | V | |
| Short-Circuit Current (Sinking and Sourcing) | 95/60 | mA |
Key Features
- Rail-to-Rail Input and Output: The AD8040 operates with rail-to-rail input and output, allowing the input voltage to extend 200 mV beyond each rail without phase reversal and the output voltage to swing within 40 mV of each rail.
- High Speed Performance: With a small signal bandwidth of 125 MHz and a slew rate of 60 V/µs, this amplifier is suitable for high-speed applications.
- Low Power Consumption: Each amplifier consumes only 1.3 mA of quiescent current, making it ideal for battery-powered systems and low-power designs.
- Wide Supply Voltage Range: The amplifier can operate on supply voltages ranging from 2.7 V to 12 V, enhancing its versatility in various applications.
- Low Distortion and Fast Settling Time: The AD8040 exhibits minimal distortion and fast settling times, making it suitable for driving single-supply analog-to-digital converters.
- Automotive Grade Version: The AD8040W is an automotive-grade version, qualified for automotive applications.
Applications
- Battery-Powered Systems: The low power consumption of the AD8040 makes it ideal for battery-powered systems that require high bandwidth.
- High-Speed Systems: Suitable for applications requiring high speed and low power dissipation, such as in high-density component designs.
- Analog-to-Digital Converters (ADCs): The amplifier's low distortion and fast settling time make it a good driver for single-supply ADCs.
- Automotive Systems: The AD8040W automotive-grade version is qualified for use in automotive applications.
Q & A
- What is the quiescent current per amplifier of the AD8040?
The quiescent current per amplifier is 1.3 mA.
- What is the small signal bandwidth of the AD8040?
The small signal bandwidth is 125 MHz.
- What is the slew rate of the AD8040?
The slew rate is 60 V/µs.
- What is the input common-mode voltage range of the AD8040?
The input common-mode voltage range is from -0.2 V to +5.2 V.
- What is the output voltage swing of the AD8040 when RL = 1 kΩ?
The output voltage swing is from -VS + 0.17 V to +VS - 0.17 V.
- Is the AD8040 suitable for automotive applications?
Yes, the AD8040W is an automotive-grade version qualified for automotive applications.
- What is the common-mode rejection ratio (CMRR) of the AD8040?
The CMRR is between 80 dB and 90 dB.
- What is the short-circuit current (sinking and sourcing) of the AD8040?
The short-circuit current is 95 mA (sinking) and 60 mA (sourcing).
- What are the typical applications of the AD8040?
The AD8040 is typically used in battery-powered systems, high-speed systems, and as drivers for single-supply analog-to-digital converters.
- What is the operating temperature range of the AD8040?
The operating temperature range is from -40°C to +125°C.
