Overview
The AD8529AR is a high-performance, rail-to-rail output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD8519/AD8529 series, known for its precision, bandwidth, and low power consumption. It is particularly suited for applications requiring a wide dynamic range and is ideal for battery-powered devices due to its low supply current. The AD8529AR features a unity gain bandwidth of 8 MHz and a slew rate of 2.9 V/μs, making it a good match for driving ASIC inputs such as voice codecs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Slew Rate | RL = 10 kΩ | - | 2.9 | - | V/μs |
| Gain Bandwidth Product | - | - | 8 | - | MHz |
| Input Bias Current | - | - | 300 | - | nA |
| Input Offset Voltage | - | 600 | 1200 | - | μV |
| Supply Current/Amplifier | VOUT = 2.5 V, −40°C ≤ TA ≤ +125°C | 600 | 1100 | 1300 | μA |
| Output Voltage Swing High | IL = 250 μA | - | 2.90 | - | V |
| Output Voltage Swing Low | IL = 250 μA | - | 100 | - | mV |
| Supply Voltage Range | - | 2.7 | - | 12 | V |
| Operating Temperature Range | - | -40 | - | 125 | °C |
| Package Type | - | - | 8-SOIC, 8-MSOP | - | - |
Key Features
- Rail-to-rail output swing, providing a larger dynamic range than standard video op amps.
- Low supply current, making it ideal for battery-powered applications.
- High slew rate of 2.9 V/μs, suitable for driving ASIC inputs such as voice codecs.
- Unity gain bandwidth of 8 MHz.
- Available in compact packages including 8-lead SOIC and 8-lead MSOP, allowing for placement next to sensors to reduce external noise pickup.
- Specified over the extended industrial temperature range of −40°C to +125°C.
Applications
The AD8529AR is versatile and can be used in various applications, including:
- Battery-powered devices due to its low power consumption.
- Audio systems requiring high dynamic range and low noise.
- Video applications where rail-to-rail output is necessary.
- Driving ASIC inputs such as voice codecs.
- Sensor interfaces where the small package size helps in reducing external noise.
Q & A
- What is the slew rate of the AD8529AR?
The slew rate of the AD8529AR is 2.9 V/μs. - What is the gain bandwidth product of the AD8529AR?
The gain bandwidth product is 8 MHz. - What are the typical supply current and operating temperature range of the AD8529AR?
The typical supply current is 1100 μA, and the operating temperature range is −40°C to +125°C. - In what packages is the AD8529AR available?
The AD8529AR is available in 8-lead SOIC and 8-lead MSOP packages. - Why is the AD8529AR suitable for battery-powered applications?
The AD8529AR is suitable for battery-powered applications due to its low supply current. - What is the input offset voltage of the AD8529AR?
The input offset voltage is typically 600 μV to 1200 μV. - What is the output voltage swing of the AD8529AR?
The output voltage swing high is 2.90 V and low is 100 mV at IL = 250 μA. - Is the AD8529AR RoHS compliant?
Yes, the AD8529AR is RoHS compliant. - What are some common applications of the AD8529AR?
Common applications include battery-powered devices, audio systems, video applications, driving ASIC inputs, and sensor interfaces. - How does the small package size of the AD8529AR benefit its use?
The small package size allows for placement next to sensors, reducing external noise pickup.
