Overview
The AD8040ARU-REEL, produced by Analog Devices Inc., is a quad, rail-to-rail input and output high-speed amplifier. This device is part of the AD8040 family, which includes the AD8029 (single) and AD8030 (dual) amplifiers. The AD8040 is distinguished by its low power consumption, with a quiescent current of only 1.3 mA per amplifier, while offering excellent high-speed performance. It features a 125 MHz small signal bandwidth and a 60 V/µs slew rate, making it suitable for a wide range of applications requiring high speed and low power dissipation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Quiescent Current per Amplifier | - | 1.3 | - | mA |
| Small Signal Bandwidth | - | 125 | - | MHz |
| Slew Rate | - | 60 | - | V/µs |
| Supply Voltage Range | 2.7 | - | 12 | V |
| Input Voltage Range | -0.2 | - | +5.2 | V |
| Input Offset Voltage Drift | - | 25 | - | µV/°C |
| Input Bias Current | -1.8 | - | 2 | µA |
| Open-Loop Gain | 62 | - | 74 | dB |
| Output Voltage Swing (RL = 1 kΩ) | -VS + 0.17 | - | +VS - 0.17 | V |
| Short-Circuit Current | 60 | - | 95 | mA |
| Operating Temperature Range | -40 | - | +125 | °C |
Key Features
- Rail-to-Rail Input and Output: The AD8040 offers rail-to-rail input and output performance, allowing the input voltage range to extend 200 mV beyond each rail without phase reversal, and the output voltage to swing within 40 mV of each rail.
- Low Power Consumption: With a quiescent current of only 1.3 mA per amplifier, this device is highly efficient and suitable for battery-powered systems and applications requiring low power dissipation.
- High Speed Performance: The amplifier features a 125 MHz small signal bandwidth and a 60 V/µs slew rate, making it ideal for high-speed applications.
- Wide Supply Voltage Range: The AD8040 can operate on supply voltages ranging from 2.7 V to 12 V, providing flexibility in various application scenarios.
- Low Distortion and Fast Settling Time: The amplifier has a settling time to 0.1% of only 80 ns and an SFDR of –72 dBc at 1 MHz, ensuring high signal quality.
- Automotive Grade Version: The AD8040W is an automotive grade version, qualified for automotive applications.
Applications
- Battery-Powered Systems: The low power consumption makes the AD8040 suitable for battery-powered systems with large bandwidth requirements.
- High-Speed Systems: The high speed and low power characteristics make it ideal for high-speed systems where component density requires lower power dissipation.
- Analog-to-Digital Converters (ADCs): The low distortion and fast settling performance make the AD8040 a suitable driver for single-supply analog-to-digital converters.
- Automotive Applications: The AD8040W, an automotive grade version, is qualified for use in automotive systems.
Q & A
- What is the quiescent current per amplifier of the AD8040?
The quiescent current per amplifier of the AD8040 is 1.3 mA.
- What is the small signal bandwidth of the AD8040?
The small signal bandwidth of the AD8040 is 125 MHz.
- What is the slew rate of the AD8040?
The slew rate of the AD8040 is 60 V/µs.
- What is the supply voltage range for the AD8040?
The supply voltage range for the AD8040 is from 2.7 V to 12 V.
- Does the AD8040 have rail-to-rail input and output performance?
Yes, the AD8040 offers rail-to-rail input and output performance.
- What is the settling time to 0.1% for the AD8040?
The settling time to 0.1% for the AD8040 is 80 ns.
- Is there an automotive grade version of the AD8040?
Yes, the AD8040W is an automotive grade version.
- What is the operating temperature range for the AD8040?
The operating temperature range for the AD8040 is from -40°C to +125°C.
- What are some typical applications for the AD8040?
The AD8040 is typically used in battery-powered systems, high-speed systems, and as drivers for single-supply analog-to-digital converters. It is also used in automotive applications (AD8040W).
- What is the input voltage range for the AD8040?
The input voltage range for the AD8040 extends 200 mV beyond each rail without phase reversal.
