Overview
The AD8532ARM-R2, produced by Analog Devices Inc., is a dual operational amplifier that belongs to the AD853x family. This amplifier is known for its high output drive current, low supply current, and excellent AC performance, making it suitable for a variety of applications. It operates on a single supply voltage ranging from 2.7V to 6V and is capable of driving both resistive and capacitive loads. The AD8532ARM-R2 is particularly useful in systems requiring high output current and low distortion, such as audio amplification and LCD drivers.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | 2.7 | 6 | V | ||
| Output Current | ±250 | mA | |||
| Bandwidth | 3 | MHz | |||
| Slew Rate | 5 | V/μs | |||
| Input Bias Current | −40°C ≤ TA ≤ +85°C | 5 | 60 | pA | |
| Input Offset Current | −40°C ≤ TA ≤ +85°C | 1 | 30 | pA | |
| Common-Mode Rejection Ratio (CMRR) | VCM = 0 V to 5 V | 38 | 47 | dB | |
| Operating Temperature Range | −40 | +85 | °C |
Key Features
- Rail-to-Rail Input and Output: The AD8532ARM-R2 can swing rail-to-rail at both the input and output, making it ideal for single-supply systems.
- High Output Current: Capable of delivering ±250 mA, which is excellent for driving heavy loads such as LCD panels and audio amplifiers.
- Low Supply Current: Consumes only 750 μA per amplifier at 5 V, suitable for low power applications.
- Good AC Performance: Features a 3 MHz bandwidth and a 5 V/μs slew rate, ensuring low distortion and high fidelity.
- No Phase Reversal: Ensures stable operation without phase reversal, even with large input signals.
- Low Input Bias Currents: Very low input bias currents, making it suitable for applications requiring low input current, such as integrators and diode amplification.
Applications
- Audio Amplification: Suitable for audio amplification in computers, sound ports, sound cards, and set-top boxes.
- LCD Drivers: Excellent for driving heavy capacitive loads found in LCD panels.
- ASIC and CMOS DAC Buffering: Can buffer CMOS DACs, ASICs, or other wide output swing devices in single-supply systems.
- Headphone Drivers: Used in headphone driver applications due to its high output current and low distortion.
- Multimedia and General Purpose Amplification: Applicable in various multimedia and general-purpose amplification tasks.
Q & A
- What is the supply voltage range of the AD8532ARM-R2?
The supply voltage range is from 2.7V to 6V.
- What is the maximum output current of the AD8532ARM-R2?
The maximum output current is ±250 mA.
- What is the bandwidth of the AD8532ARM-R2?
The bandwidth is 3 MHz.
- What is the slew rate of the AD8532ARM-R2?
The slew rate is 5 V/μs.
- Does the AD8532ARM-R2 have rail-to-rail input and output capability?
Yes, it has rail-to-rail input and output capability.
- What is the typical supply current per amplifier at 5 V?
The typical supply current per amplifier at 5 V is 750 μA.
- What are some common applications of the AD8532ARM-R2?
Common applications include audio amplification, LCD drivers, ASIC and CMOS DAC buffering, and headphone drivers.
- What is the operating temperature range of the AD8532ARM-R2?
The operating temperature range is from −40°C to +85°C.
- Does the AD8532ARM-R2 have low input bias currents?
Yes, it has very low input bias currents, typically around 5 pA to 60 pA.
- Is the AD8532ARM-R2 suitable for driving heavy capacitive loads?
Yes, it is excellent for driving heavy capacitive loads such as those found in LCD panels.
