Overview
The AD8532ARM-REEL, produced by Analog Devices Inc., is a dual rail-to-rail input/output single-supply operational amplifier. This component is part of the AD853x family, which includes single, dual, and quad configurations. The AD8532 is known for its high output drive current of 250 mA, making it suitable for driving both resistive and capacitive loads. It operates from a single supply voltage ranging from 2.7 V to 6 V and is characterized by its low supply current, wide bandwidth, and high slew rate.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 6 | V |
| Output Current | - | - | ±250 | mA |
| Supply Current per Amplifier | 0.70 | 1 | 1.25 | mA |
| Bandwidth | - | - | 3 | MHz |
| Slew Rate | - | - | 5 | V/μs |
| Input Bias Current | 5 | - | 60 | pA |
| Input Offset Voltage | -25 | - | 30 | mV |
| Common-Mode Rejection Ratio (CMRR) | 38 | - | 45 | dB |
| Operating Temperature | -40 | - | 85 | °C |
| Package | - | - | 8-Lead MSOP | - |
Key Features
- Rail-to-rail input and output capability, allowing for full swing of the input and output signals within the supply voltage range.
- High output drive current of 250 mA, suitable for driving heavy capacitive loads such as LCD panels.
- Low supply current of 750 μA per amplifier, making it suitable for low power applications.
- Wide bandwidth of 3 MHz and a high slew rate of 5 V/μs, ensuring good AC performance.
- No phase reversal, enhancing stability in various applications.
- Low input bias currents, making it suitable for applications requiring low input bias current such as integrators and diode amplification.
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 output drive current of the AD8532? The AD8532 has an output drive current of ±250 mA.
- What is the supply voltage range for the AD8532? The AD8532 operates from a single supply voltage ranging from 2.7 V to 6 V.
- What is the typical supply current per amplifier for the AD8532? The typical supply current per amplifier is 750 μA.
- What is the bandwidth of the AD8532? The bandwidth of the AD8532 is 3 MHz.
- What is the slew rate of the AD8532? The slew rate of the AD8532 is 5 V/μs.
- Is the AD8532 stable with heavy capacitive loads? Yes, the AD8532 is very stable and capable of driving heavy capacitive loads such as those found in LCDs.
- What are the typical applications of the AD8532? Typical applications include audio amplification, driving LCD panels, and buffering CMOS DACs or ASICs.
- What is the operating temperature range for the AD8532? The AD8532 operates over an extended industrial temperature range of −40°C to +85°C.
- What package types are available for the AD8532? The AD8532 is available in 8-Lead MSOP and other packages.
- Does the AD8532 have rail-to-rail input and output capability? Yes, the AD8532 has rail-to-rail input and output capability.
