Overview
The AD8532ARZ is a dual, single-supply, rail-to-rail input/output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD853x family, known for its high output drive current, low supply current, and excellent AC performance. It is designed to operate from a single supply voltage ranging from 2.7 V to 6 V, making it versatile for various applications. The AD8532ARZ is particularly suitable for driving both resistive and capacitive loads due to its high output current of ±250 mA and low distortion characteristics.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | V_S | 2.7 | 6 | V | ||
| Output Current | I_OUT | ±250 | mA | |||
| Bandwidth | f | 3 | MHz | |||
| Slew Rate | SR | 5 | V/μs | |||
| Input Bias Current | I_B | -40°C ≤ TA ≤ +85°C | 5 | 50 | 60 | pA |
| Input Offset Voltage | V_OS | -40°C ≤ TA ≤ +85°C | 25 | 30 | mV | |
| Common-Mode Rejection Ratio | CMRR | V_CM = 0 V to 5 V | 38 | dB | ||
| Supply Current per Amplifier | I_S | V_S = 5 V | 750 | μA | ||
| Operating Temperature Range | T_A | -40 | +85 | °C |
Key Features
- Rail-to-rail input and output capability, allowing the amplifier to swing from the negative supply rail to the positive supply rail.
- High output drive current of ±250 mA, making it suitable for driving heavy loads such as LCD panels and audio amplifiers.
- Low supply current of 750 μA per amplifier at 5 V, enabling low power consumption applications.
- Wide bandwidth of 3 MHz and a slew rate of 5 V/μs, ensuring good AC performance.
- No phase reversal, which is crucial for maintaining signal integrity.
- Low input bias currents, suitable for applications requiring low input bias current such as integrators and diode amplification.
- Unity gain stable and capable of driving heavy capacitive loads.
Applications
- Audio amplification for computers, sound ports, sound cards, and set-top boxes.
- Driving LCD panels and other capacitive loads.
- Buffering CMOS DACs, ASICs, or other wide output swing devices in single-supply systems.
- Headphone drivers and multimedia audio systems.
- ASIC input or output amplifiers.
Q & A
- What is the supply voltage range for the AD8532ARZ?
The AD8532ARZ operates from a single supply voltage ranging from 2.7 V to 6 V. - What is the output current capability of the AD8532ARZ?
The AD8532ARZ can drive an output current of ±250 mA. - What is the bandwidth of the AD8532ARZ?
The bandwidth of the AD8532ARZ is 3 MHz. - What is the slew rate of the AD8532ARZ?
The slew rate of the AD8532ARZ is 5 V/μs. - Is the AD8532ARZ suitable for driving capacitive loads?
Yes, the AD8532ARZ is capable of driving heavy capacitive loads such as those found in LCD panels. - What are the typical applications of the AD8532ARZ?
The AD8532ARZ is used in audio amplification, driving LCD panels, buffering CMOS DACs and ASICs, and other applications requiring high output drive current. - What is the operating temperature range of the AD8532ARZ?
The AD8532ARZ operates over an extended industrial temperature range from -40°C to +85°C. - What are the package options available for the AD8532ARZ?
The AD8532ARZ is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages. - Does the AD8532ARZ have rail-to-rail input and output capability?
Yes, the AD8532ARZ has rail-to-rail input and output capability. - What is the supply current per amplifier for the AD8532ARZ at 5 V?
The supply current per amplifier for the AD8532ARZ at 5 V is 750 μA.
