Overview
The AD8544ARU is a precision CMOS quad operational amplifier produced by Analog Devices Inc. This device is designed for low power consumption and high performance, making it suitable for a variety of applications, particularly in battery-powered systems. The AD8544ARU features rail-to-rail input and output, single-supply operation, and a wide bandwidth of 1 MHz. It is available in a 14-lead TSSOP package, which is RoHS compliant and suitable for surface-mount technology.
Key Specifications
| Parameter | Description | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | Single Supply Operation | 2.7 | - | 5.5 | V |
| Supply Current | Per Amplifier | - | 45 | - | µA |
| Input Bias Current | - | - | 4 | - | pA |
| Input Offset Voltage | - | - | 6 | - | mV |
| Bandwidth | - | - | 1 | - | MHz |
| Slew Rate | - | - | 0.5 | - | V/µs |
| Package Type | - | - | - | - | 14-lead TSSOP |
| Operating Temperature Range | - | - | - | - | -40°C to +125°C |
Key Features
- Rail-to-Rail Input and Output: Allows for full-range input and output swing, enhancing the device's versatility in various applications.
- Single-Supply Operation: Compatible with supply voltages ranging from 2.7 V to 5.5 V, making it suitable for battery-powered systems.
- Low Power Consumption: Each amplifier consumes only 45 µA, ideal for energy-efficient designs.
- High Bandwidth: Offers a bandwidth of 1 MHz, ensuring high-frequency performance.
- Low Input Bias Current: With an input bias current of 4 pA, it is suitable for applications with high source impedance.
- Extended Temperature Range: Operates over an extended industrial temperature range of -40°C to +125°C.
- Stable with Capacitive Loads: Ensures stability even with capacitive loads, which is crucial for many applications.
- High Open-Loop Gain: Provides high gain stability, making it suitable for active filters and gain stages.
Applications
- ASIC Input or Output Amplifier: Ideal for buffering ASICs in single-supply systems.
- Sensor Interface: Suitable for interfacing with sensors due to its low input bias current and high impedance.
- Piezo Electric Transducer Amplifier: Used in applications involving piezo electric sensors.
- Medical Instrumentation: Applicable in medical devices requiring low power and high precision.
- Mobile Communication and Audio Output: Used in mobile and audio applications where low power consumption is critical.
- Portable Systems: Ideal for battery-powered portable systems due to its low power consumption and compact package.
Q & A
- What is the supply voltage range for the AD8544ARU?
The AD8544ARU operates on a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the typical supply current per amplifier for the AD8544ARU?
The typical supply current per amplifier is 45 µA.
- What is the input bias current of the AD8544ARU?
The input bias current is 4 pA.
- What is the bandwidth of the AD8544ARU?
The bandwidth of the AD8544ARU is 1 MHz.
- What is the slew rate of the AD8544ARU?
The slew rate is 0.5 V/µs.
- In what package is the AD8544ARU available?
The AD8544ARU is available in a 14-lead TSSOP package.
- What is the operating temperature range for the AD8544ARU?
The operating temperature range is -40°C to +125°C.
- Is the AD8544ARU suitable for battery-powered applications?
Yes, it is highly suitable due to its low power consumption and single-supply operation.
- What are some common applications of the AD8544ARU?
Common applications include ASIC input or output amplifiers, sensor interfaces, piezo electric transducer amplifiers, medical instrumentation, mobile communication, and audio output).
- Is the AD8544ARU RoHS compliant?
Yes, the AD8544ARU is RoHS compliant).
