Overview
The AD8541ART-REEL, produced by Analog Devices Inc., is a single, rail-to-rail input and output, single-supply operational amplifier. This CMOS op-amp is part of the AD8541/AD8542/AD8544 family and is designed for general-purpose applications. It operates on a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for a wide range of applications, including battery-powered devices. The amplifier features very low supply current, high bandwidth, and low input bias currents, making it ideal for use in integrators, photodiode amplifiers, and piezoelectric sensors.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 5.5 | V | ||
| Supply Current/Amplifier | ISY | VO = 0 V | 40 | 60 | 75 | µA |
| 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 |
| Slew Rate | SR | RL = 100 kΩ | 0.4 | 0.75 | V/µs | |
| Settling Time | tS | To 0.01% (1 V step) | 5 | µs | ||
| Gain Bandwidth Product | GBP | 980 | kHz | |||
| Phase Margin | ΦM | 63 | Degrees | |||
| Voltage Noise Density | en | f = 1 kHz | 40 | nV/√Hz | ||
| Current Noise Density | in | <0.1 | pA/√Hz |
Key Features
- Single-supply operation: 2.7 V to 5.5 V
- Low supply current: 45 µA per amplifier
- Wide bandwidth: 1 MHz
- No phase reversal
- Low input bias currents: 4 pA
- Unity gain stable
- Rail-to-rail input and output
- AEC-Q100 qualified for automotive applications
- Operates over the extended industrial temperature range (–40°C to +125°C)
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Mobile communications
- Audio outputs
- Portable systems
- Active filters and gain stages
Q & A
- What is the supply voltage range for the AD8541ART-REEL?
The AD8541ART-REEL operates on a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the typical supply current per amplifier?
The typical supply current per amplifier is 60 µA.
- What is the bandwidth of the AD8541ART-REEL?
The bandwidth of the AD8541ART-REEL is 1 MHz.
- Does the AD8541ART-REEL have rail-to-rail input and output capabilities?
Yes, the AD8541ART-REEL has rail-to-rail input and output capabilities.
- What is the input bias current of the AD8541ART-REEL?
The input bias current is typically 60 pA.
- Is the AD8541ART-REEL suitable for automotive applications?
Yes, the AD8541ART-REEL is AEC-Q100 qualified for automotive applications.
- What are the typical packaging options for the AD8541?
The AD8541 is available in 5-lead SOT-23, 5-lead SC70, and 8-lead SOIC packages.
- What is the gain bandwidth product of the AD8541ART-REEL?
The gain bandwidth product is typically 980 kHz.
- What is the phase margin of the AD8541ART-REEL?
The phase margin is typically 63 degrees.
- What are some common applications of the AD8541ART-REEL?
Common applications include ASIC input or output amplifiers, sensor interfaces, piezoelectric transducer amplifiers, medical instrumentation, and mobile communications.
