Overview
The AD8544ARUZ is a quad rail-to-rail input and output, single-supply operational amplifier produced by Analog Devices Inc. This CMOS amplifier is designed for general-purpose applications and is known for its low power consumption and high performance. It operates over a wide supply voltage range of 2.7 V to 5.5 V, making it versatile for various electronic systems. The AD8544ARUZ is particularly useful in applications requiring low supply current, high bandwidth, and rail-to-rail input and output capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | - |
| GBP – Gain Bandwidth Product | 1 MHz | - |
| SR – Slew Rate | 0.92 V/μs | - |
| CMRR – Common Mode Rejection Ratio | 48 dB | - |
| Output Current per Channel | 30 mA | - |
| Ib – Input Bias Current | 1000 pA | - |
| Vos – Input Offset Voltage | 1 mV | - |
| en – Input Voltage Noise Density | 42 nV/√Hz | - |
| Supply Voltage – Max | 5.5 V | - |
| Supply Voltage – Min | 2.7 V | - |
| Operating Supply Current | 45 μA | - |
| Maximum Operating Temperature | +125°C | - |
| Minimum Operating Temperature | –40°C | - |
| Shutdown | No Shutdown | - |
| Mounting Style | SMD/SMT | - |
| Package/Case | TSSOP-14 | - |
| Output Type | Rail to Rail Input/Output | - |
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: 1000 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 of the AD8544ARUZ?
The AD8544ARUZ operates over a supply voltage range of 2.7 V to 5.5 V.
- What is the gain bandwidth product of the AD8544ARUZ?
The gain bandwidth product of the AD8544ARUZ is 1 MHz.
- What is the slew rate of the AD8544ARUZ?
The slew rate of the AD8544ARUZ is 0.92 V/μs.
- What is the common mode rejection ratio (CMRR) of the AD8544ARUZ?
The CMRR of the AD8544ARUZ is 48 dB.
- What is the maximum output current per channel of the AD8544ARUZ?
The maximum output current per channel of the AD8544ARUZ is 30 mA.
- What is the input bias current of the AD8544ARUZ?
The input bias current of the AD8544ARUZ is 1000 pA.
- What is the input offset voltage of the AD8544ARUZ?
The input offset voltage of the AD8544ARUZ is 1 mV.
- What is the input voltage noise density of the AD8544ARUZ?
The input voltage noise density of the AD8544ARUZ is 42 nV/√Hz.
- What is the operating supply current of the AD8544ARUZ?
The operating supply current of the AD8544ARUZ is 45 μA per amplifier.
- What are the typical applications of the AD8544ARUZ?
The AD8544ARUZ is typically used in ASIC input or output amplifiers, sensor interfaces, piezoelectric transducer amplifiers, medical instrumentation, mobile communications, audio outputs, and portable systems.
