Overview
The AD8534ARZ-REEL, produced by Analog Devices Inc., is a quad rail-to-rail input and output operational amplifier. This device is part of the AD8531, AD8532, and AD8534 family, which are designed for single-supply operations. The AD8534 is particularly notable for its high output drive current of ±250 mA, making it suitable for driving both resistive and capacitive loads. It operates over a wide supply voltage range of 2.7 V to 6 V, ensuring versatility in various applications. The amplifier features excellent AC performance, including a 3 MHz bandwidth and a 5 V/μs slew rate, along with low distortion and no phase reversal.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 6 | V | ||
| Output Current | IOUT | ±250 | mA | |||
| Bandwidth | BW | 3 | MHz | |||
| Slew Rate | SR | RL = 2 kΩ | 5 | V/μs | ||
| Input Offset Voltage | VOS | 25 | 30 | mV | ||
| Input Bias Current | IB | 5 | 60 | pA | ||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 5 V | 38 | 47 | dB | |
| Supply Current per Amplifier | ISY | VO = 0 V | 0.75 | 1.75 | mA |
Key Features
- Rail-to-rail input and output capability, allowing the amplifier to operate with input and output signals that range from the negative to the positive supply rail.
- High output drive current of ±250 mA, making it suitable for driving both resistive and capacitive loads.
- Low supply current of 0.75 mA per amplifier, contributing to power efficiency.
- 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 current and offset voltage, enhancing precision in applications.
- Operating temperature range from -40°C to +85°C, making it suitable for a variety of environmental conditions.
Applications
- Multimedia audio systems: The high output current and good AC performance make it ideal for driving audio loads.
- LCD drivers: The ability to drive capacitive loads efficiently makes it a good choice for LCD panel applications.
- ASIC input or output amplifiers: Its rail-to-rail input and output capabilities and high output current make it suitable for use in ASIC designs.
- Headphone drivers: The high output current and low distortion make it a good option for driving headphones.
Q & A
- What is the supply voltage range for the AD8534ARZ-REEL?
The supply voltage range is from 2.7 V to 6 V.
- What is the maximum output current of the AD8534ARZ-REEL?
The maximum output current is ±250 mA.
- What is the bandwidth of the AD8534ARZ-REEL?
The bandwidth is 3 MHz.
- Does the AD8534ARZ-REEL 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 for the AD8534ARZ-REEL?
The typical supply current per amplifier is 0.75 mA.
- What are some common applications of the AD8534ARZ-REEL?
Common applications include multimedia audio systems, LCD drivers, ASIC input or output amplifiers, and headphone drivers.
- What is the operating temperature range for the AD8534ARZ-REEL?
The operating temperature range is from -40°C to +85°C.
- Does the AD8534ARZ-REEL have any phase reversal issues?
No, it does not have phase reversal issues.
- What is the slew rate of the AD8534ARZ-REEL?
The slew rate is 5 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8534ARZ-REEL?
The CMRR is between 38 dB and 47 dB.
