Overview
The AD8541ARTZ-REEL7, produced by Analog Devices Inc., is a high-performance, general-purpose operational amplifier. This device is part of the AD8541/AD8542/AD8544 family, which includes single, dual, and quad rail-to-rail input and output, single-supply amplifiers. The AD8541 is particularly noted for its low supply current, wide bandwidth, and rail-to-rail input and output capabilities, making it suitable for a wide range of instrumentation and control applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 5.5 | V | ||
| Input Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 1 | 6 | 7 | mV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 4 | 60 | 1000 | pA |
| Supply Current/Amplifier | ISY | VO = 0 V, −40°C ≤ TA ≤ +125°C | 40 | 60 | 75 | µA |
| Slew Rate | SR | RL = 100 kΩ | 0.4 | 0.8 | V/µs | |
| Gain Bandwidth Product | GBP | 980 kHz | ||||
| Phase Margin | ΦM | 63 Degrees | ||||
| Voltage Noise Density | en | f = 1 kHz | 42 nV/√Hz | |||
| Output Current | IOUT | VOUT = VS − 1 V | 15 mA | |||
| Operating Temperature Range | TA | −40°C | +125°C |
Key Features
- Rail-to-Rail Input and Output: The AD8541 features rail-to-rail input and output operation, making it versatile for various analog circuit designs.
- Low Supply Current: With a supply current of only 45 µA per amplifier, it is ideal for battery-powered and low-power applications.
- Wide Bandwidth: The amplifier offers a bandwidth of 1 MHz, ensuring high performance at lower supply voltages.
- Low Input Bias Current: Very low input bias currents of 4 pA enable its use in applications with high source impedance.
- High Gain Bandwidth Product: A gain bandwidth product of 980 kHz and a phase margin of 63 degrees make it suitable for active filters and gain stages.
- Compact Package: Available in a small SOT-23-5 package, it is excellent for space-constrained designs.
- Robust Operation: Specified over the extended industrial temperature range (−40°C to +125°C), ensuring robust and reliable operation.
Applications
- Instrumentation and Control Applications: Suitable for a wide range of instrumentation and control systems.
- Battery-Powered and Portable Electronics: Ideal for battery-powered devices due to its low supply current.
- Industrial and Consumer Electronics: Used in various industrial and consumer electronic applications.
- Medical Instrumentation: Applicable in medical instrumentation due to its high performance and low noise characteristics.
- Piezoelectric Transducer Amplifiers: Useful for amplifying signals from piezoelectric transducers.
- Mobile Communications and Audio Outputs: Suitable for mobile communications and audio output applications.
Q & A
- What is the supply voltage range of the AD8541? The AD8541 operates from a supply voltage range of 2.7 V to 5.5 V.
- What is the typical supply current per amplifier? The typical supply current per amplifier is 45 µA.
- What is the gain bandwidth product of the AD8541? The gain bandwidth product is 980 kHz.
- What are the key features of the AD8541's input and output stages? The AD8541 features rail-to-rail input and output operation.
- What is the operating temperature range of the AD8541? The operating temperature range is −40°C to +125°C.
- What are some common applications of the AD8541? Common applications include instrumentation and control, battery-powered electronics, industrial and consumer electronics, medical instrumentation, and mobile communications.
- What is the slew rate of the AD8541? The slew rate is 0.4 to 0.8 V/µs.
- Is the AD8541 suitable for high source impedance applications? Yes, due to its very low input bias currents of 4 pA.
- What is the output current capability of the AD8541? The output current capability is up to 15 mA.
- Is the AD8541 compliant with industry safety and environmental standards? Yes, it is ROHS3 compliant and meets various industry safety and environmental standards.
