Overview
The AD8544ARU-REEL is a quad rail-to-rail input and output, single-supply amplifier produced by Analog Devices Inc. This component is part of the AD8541/AD8542/AD8544 family, which features very low supply current and a wide bandwidth of 1 MHz. The AD8544 is designed to operate from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for a variety of applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 5.5 | V | ||
| Supply Current per Amplifier | ISY | VO = 0 V | 40 | 45 | 60 | µA |
| Bandwidth | 1 | MHz | ||||
| Input Bias Current | IB | –40°C ≤ TA ≤ +125°C | 4 | 100 | pA | |
| Offset Voltage | VOS | –40°C ≤ TA ≤ +125°C | 1 | 7 | mV | |
| Slew Rate | SR | RL = 100 kΩ | 0.4 | 0.8 | V/µs | |
| Gain Bandwidth Product | GBP | 980 | kHz | |||
| Phase Margin | ΦM | 64 | Degrees | |||
| Voltage Noise Density | en | f = 1 kHz | 42 | nV/√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
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Mobile communications
- Audio outputs
- Portable systems
Q & A
- What is the supply voltage range for the AD8544ARU-REEL? The AD8544ARU-REEL operates from 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 45 µA.
- What is the bandwidth of the AD8544ARU-REEL? The bandwidth is 1 MHz.
- Does the AD8544ARU-REEL have rail-to-rail input and output capabilities? Yes, it features rail-to-rail input and output.
- What are the typical applications for the AD8544ARU-REEL? Typical applications include ASIC input or output amplifiers, sensor interfaces, piezoelectric transducer amplifiers, medical instrumentation, mobile communications, audio outputs, and portable systems.
- Is the AD8544ARU-REEL AEC-Q100 qualified? Yes, it is AEC-Q100 qualified for automotive applications.
- What is the slew rate of the AD8544ARU-REEL? The slew rate is typically between 0.4 V/µs and 0.8 V/µs.
- What is the gain bandwidth product of the AD8544ARU-REEL? The gain bandwidth product is 980 kHz.
- What is the phase margin of the AD8544ARU-REEL? The phase margin is typically 64 degrees.
- What is the voltage noise density of the AD8544ARU-REEL at 1 kHz? The voltage noise density at 1 kHz is typically 42 nV/√Hz.
