Overview
The AD8529ARZ-REEL is a rail-to-rail operational amplifier produced by Analog Devices Inc. This device is characterized by its low supply current, making it highly suitable for battery-powered applications. The AD8529 features a rail-to-rail output swing, which is particularly beneficial in applications requiring a greater dynamic range than standard video op-amps. Its design ensures high performance across a wide range of operating conditions, including temperature extremes from -40°C to +125°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 12 | V | ||
| Supply Current/Amplifier | ISY | VOUT = 2.5 V, -40°C ≤ TA ≤ +125°C | 600 | 1200 | 1400 | μA |
| Slew Rate | SR | RL = 10 kΩ, 1 V < VOUT < 4 V | 2.9 | V/μs | ||
| Settling Time | tS | To 0.01%, RL = 10 kΩ | 1000 | ns | ||
| Gain Bandwidth Product | GBP | 8 | MHz | |||
| Phase Margin | Φm | 60 | Degrees | |||
| Input Bias Current | IB | 300 | nA | |||
| Input Offset Voltage | VOS | -40°C ≤ TA ≤ +125°C | 700 | 1200 | 1400 | μV |
| Output Voltage Swing High | VOH | IL = 250 μA | 2.90 | V | ||
| Output Voltage Swing Low | VOL | IL = 250 μA | 100 | mV | ||
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 2.0 V, -40°C ≤ TA ≤ +125°C | 55 | 75 | dB |
Key Features
- Rail-to-Rail Output Swing: The AD8529 offers a larger output swing than standard video op-amps, making it ideal for applications requiring greater dynamic range.
- Low Supply Current: With a typical supply current of 1200 μA, this device is well-suited for battery-powered applications.
- High Gain Bandwidth Product: The device features a gain bandwidth product of 8 MHz, ensuring high performance in various applications.
- Wide Operating Temperature Range: The AD8529 operates reliably over a temperature range of -40°C to +125°C.
- Low Noise: The device has a low voltage noise density of 10 nV/√Hz at 1 kHz, making it suitable for noise-sensitive applications.
Applications
- Portable Communications: Ideal for use in portable phones and other communication devices due to its low power consumption and high performance.
- Microphone Amplifiers: Suitable for microphone preamplifiers where low noise and high dynamic range are critical.
- Sensor Interfaces: Used in sensor interface applications where precision and low noise are essential.
- Active Filters: Can be used in active filter circuits due to its high gain bandwidth product and low noise characteristics.
- PCMCIA Cards and ASIC Input Drivers: Applicable in various computer peripherals and ASIC input drivers.
- Wearable Computers and Battery-Powered Devices: Ideal for wearable devices and other battery-powered applications due to its low supply current.
Q & A
- What is the typical supply current of the AD8529ARZ?
The typical supply current of the AD8529ARZ is 1200 μA. - What is the gain bandwidth product of the AD8529ARZ?
The gain bandwidth product of the AD8529ARZ is 8 MHz. - What is the operating temperature range of the AD8529ARZ?
The operating temperature range of the AD8529ARZ is -40°C to +125°C. - What is the slew rate of the AD8529ARZ?
The slew rate of the AD8529ARZ is 2.9 V/μs. - What is the common-mode rejection ratio (CMRR) of the AD8529ARZ?
The CMRR of the AD8529ARZ is 55 to 75 dB. - What is the output voltage swing high of the AD8529ARZ?
The output voltage swing high of the AD8529ARZ is 2.90 V at IL = 250 μA. - What is the input bias current of the AD8529ARZ?
The input bias current of the AD8529ARZ is 300 nA. - What is the input offset voltage of the AD8529ARZ?
The input offset voltage of the AD8529ARZ is 700 to 1400 μV. - In what types of applications is the AD8529ARZ commonly used?
The AD8529ARZ is commonly used in portable communications, microphone amplifiers, sensor interfaces, active filters, PCMCIA cards, ASIC input drivers, wearable computers, and battery-powered devices. - What is the package type of the AD8529ARZ?
The AD8529ARZ comes in an 8-SOIC package.
