Overview
The AD8529AR-REEL, produced by Analog Devices Inc., is an 8 MHz rail-to-rail operational amplifier designed for a wide range of applications requiring high precision and bandwidth. This bipolar amplifier is available in 8-lead SOIC and 8-lead MSOP packages, making it versatile for various circuit designs. The AD8529 is known for its low supply current, which makes it ideal for battery-powered applications. It features a rail-to-rail output swing, providing a larger dynamic range compared to standard video op amps, and a slew rate of 2.9 V/μs, making it suitable for driving ASIC inputs such as voice codecs.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Unity Gain Bandwidth | GBP | - | - | 8 | - | MHz |
| Slew Rate | SR | -4 V < VOUT < +4 V, RL = 10 kΩ | - | 2.9 | - | V/μs |
| Settling Time | tS | To 0.01% | - | 1000 | - | ns |
| Phase Margin | Φm | - | - | 60 | - | Degrees |
| Voltage Noise Density | en | f = 1 kHz | - | 10 | - | nV/√Hz |
| Current Noise Density | in | f = 1 kHz | - | 0.4 | - | pA/√Hz |
| Supply Current/Amplifier | ISY | VOUT = 0 V, -40°C ≤ TA ≤ +125°C | 600 | 1200 | 1400 | μA |
| Input Bias Current | IB | - | - | 300 | - | nA |
| Input Offset Current | IOS | - | - | ±50 | - | nA |
| Input Voltage Range | VCM | - | 0 | - | 2 | V |
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 2.0 V, -40°C ≤ TA ≤ +125°C | 55 | 75 | - | dB |
| Output Voltage Swing High | VOH | IL = 250 μA | - | 2.90 | - | V |
| Output Voltage Swing Low | VOL | IL = 250 μA | - | 100 | - | mV |
| Maximum Output Current | IOUT | - | - | ±25 | - | mA |
Key Features
- Rail-to-Rail Output Swing: Provides a larger dynamic range compared to standard video op amps, making it useful in applications requiring greater dynamic range.
- Low Supply Current: Ideal for battery-powered applications due to its low power consumption.
- High Slew Rate: 2.9 V/μs slew rate makes it suitable for driving ASIC inputs such as voice codecs.
- Compact Packages: Available in 8-lead SOIC and 8-lead MSOP packages, allowing for placement next to sensors to reduce external noise pickup.
- Extended Industrial Temperature Range: Specified over the extended industrial temperature range of -40°C to +125°C.
- High Gain Bandwidth Product: Unity gain bandwidth of 8 MHz.
- Low Noise Performance: Voltage noise density of 10 nV/√Hz and current noise density of 0.4 pA/√Hz at 1 kHz.
Applications
- Battery-Powered Devices: Ideal due to its low supply current, making it suitable for portable and battery-powered applications.
- Audio Systems: Suitable for audio systems requiring high dynamic range and low noise.
- Video Products: Useful in video applications that require greater dynamic range than standard video op amps.
- Display Driver Electronics: Can be used in display driver electronics where high bandwidth and low noise are critical.
- Sensor Interfaces: The small package size allows placement next to sensors, reducing external noise pickup.
Q & A
- What is the unity gain bandwidth of the AD8529AR-REEL?
The unity gain bandwidth of the AD8529AR-REEL is 8 MHz.
- What is the slew rate of the AD8529AR-REEL?
The slew rate of the AD8529AR-REEL is 2.9 V/μs.
- What are the available package types for the AD8529AR-REEL?
The AD8529AR-REEL is available in 8-lead SOIC and 8-lead MSOP packages.
- What is the temperature range for the AD8529AR-REEL?
The AD8529AR-REEL is specified over the extended industrial temperature range of -40°C to +125°C.
- What is the typical supply current for the AD8529AR-REEL?
The typical supply current for the AD8529AR-REEL is 1200 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8529AR-REEL?
The CMRR of the AD8529AR-REEL is 55 dB to 75 dB over the specified temperature range.
- What is the maximum output current of the AD8529AR-REEL?
The maximum output current of the AD8529AR-REEL is ±25 mA.
- What are some typical applications for the AD8529AR-REEL?
Typical applications include battery-powered devices, audio systems, video products, display driver electronics, and sensor interfaces.
- How does the AD8529AR-REEL reduce external noise pickup?
The small package size of the AD8529AR-REEL allows it to be placed next to sensors, reducing external noise pickup.
- What is the voltage noise density of the AD8529AR-REEL at 1 kHz?
The voltage noise density of the AD8529AR-REEL at 1 kHz is 10 nV/√Hz.
