Overview
The AD8532ARU is a dual rail-to-rail input/output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD8531/AD8532/AD8534 family, known for its high output drive current and excellent AC performance. The AD8532ARU is designed to operate from a single supply voltage ranging from 2.7 V to 6 V, making it versatile for various applications. It features a high output current of ±250 mA, low supply current of 750 μA per amplifier, and a wide bandwidth of 3 MHz with a slew rate of 5 V/μs. These characteristics make the AD8532ARU suitable for driving both resistive and capacitive loads efficiently.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | - | 2.7 | - | 6 | V |
| Output Current | - | - | ±250 | - | mA |
| Supply Current | Per Amplifier at 5 V | - | 750 | - | μA |
| Bandwidth | - | - | 3 | - | MHz |
| Slew Rate | - | - | 5 | - | V/μs |
| Input Bias Current | - | 1 | 5 | 60 | pA |
| Input Offset Voltage | - | - | - | 30 | mV |
| Operating Temperature | - | -40 | - | 85 | °C |
| Package Type | - | - | - | 8-TSSOP | - |
Key Features
- Rail-to-rail input and output swing, allowing for full use of the supply voltage range.
- High output drive current of ±250 mA, suitable for driving both resistive and capacitive loads.
- Low supply current of 750 μA per amplifier, making it energy-efficient.
- Wide bandwidth of 3 MHz and a slew rate of 5 V/μs, ensuring good AC performance.
- No phase reversal and unity gain stability.
- Low input bias currents, making it suitable for applications requiring low input bias current such as integrators and diode amplification.
- Operating temperature range from -40°C to 85°C, suitable for industrial applications.
Applications
- Audio amplification for computers, sound ports, sound cards, and set-top boxes.
- Driving LCD panels and other heavy capacitive loads.
- Buffering CMOS DACs, ASICs, or other wide output swing devices in single-supply systems.
- Multimedia audio and headphone drivers.
- ASIC input or output amplifiers.
Q & A
- What is the supply voltage range for the AD8532ARU?
The AD8532ARU operates from a single supply voltage ranging from 2.7 V to 6 V.
- What is the output current capability of the AD8532ARU?
The AD8532ARU can drive up to ±250 mA of output current.
- What is the typical supply current per amplifier for the AD8532ARU?
The typical supply current per amplifier is 750 μA at 5 V.
- What is the bandwidth and slew rate of the AD8532ARU?
The AD8532ARU has a bandwidth of 3 MHz and a slew rate of 5 V/μs.
- Is the AD8532ARU stable for unity gain configurations?
Yes, the AD8532ARU is unity gain stable.
- What is the operating temperature range for the AD8532ARU?
The operating temperature range is from -40°C to 85°C.
- What types of loads can the AD8532ARU drive efficiently?
The AD8532ARU can drive both resistive and capacitive loads efficiently.
- Does the AD8532ARU require external capacitors?
No, the AD8532ARU does not require external capacitors.
- What are some common applications for the AD8532ARU?
Common applications include audio amplification, driving LCD panels, and buffering CMOS DACs or ASICs.
- What package types are available for the AD8532ARU?
The AD8532ARU is available in 8-TSSOP, 8-SOIC, and 8-MSOP packages.
