Overview
The AD8544ARZ-REEL7 is a quad rail-to-rail input and output, single-supply operational amplifier produced by Analog Devices Inc. This component is part of the AD8541/AD8542/AD8544 family, which is designed for general-purpose applications requiring low power consumption and high performance. The AD8544 operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for a variety of applications including automotive, medical instrumentation, and mobile communications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 5.5 | V | ||
| Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 1 | 6 | 7 | mV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +85°C | 4 | 60 | 100 | pA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +85°C | 0.1 | 30 | 50 | pA |
| Input Voltage Range | 0 | 2.7 | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.7 V | 40 | 45 | 38 | dB |
| Large Signal Voltage Gain | AVO | RL = 100 kΩ, VO = 0.5 V to 2.2 V | 100 | 500 | 50 | V/mV |
| Supply Current/Amplifier | ISY | VO = 0 V | 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 | 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 AD8544ARZ-REEL7?
The AD8544ARZ-REEL7 operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the typical supply current per amplifier for the AD8544ARZ-REEL7?
The typical supply current per amplifier is 45 µA.
- What is the bandwidth of the AD8544ARZ-REEL7?
The bandwidth of the AD8544ARZ-REEL7 is 1 MHz.
- Does the AD8544ARZ-REEL7 have rail-to-rail input and output capabilities?
Yes, the AD8544ARZ-REEL7 has rail-to-rail input and output capabilities.
- Is the AD8544ARZ-REEL7 suitable for automotive applications?
Yes, the AD8544ARZ-REEL7 is AEC-Q100 qualified for automotive applications.
- What is the typical gain bandwidth product of the AD8544ARZ-REEL7?
The typical gain bandwidth product is 980 kHz.
- What is the phase margin of the AD8544ARZ-REEL7?
The phase margin is typically 64 degrees.
- What are some common applications of the AD8544ARZ-REEL7?
Common applications include ASIC input or output amplifiers, sensor interfaces, piezoelectric transducer amplifiers, medical instrumentation, mobile communications, audio outputs, and portable systems.
- What is the input bias current of the AD8544ARZ-REEL7?
The input bias current is typically 4 pA.
- What is the voltage noise density of the AD8544ARZ-REEL7 at 1 kHz?
The voltage noise density at 1 kHz is 42 nV/√Hz.
