Overview
The AD8029ARZ, produced by Analog Devices Inc., is a low power, high speed rail-to-rail input and output operational amplifier. This single-channel amplifier is part of the AD8029/AD8030/AD8040 family, which also includes dual and quad versions. It is designed for applications requiring high performance with minimal power consumption. The AD8029ARZ operates on a wide range of supply voltages from 2.7 V to 12 V, making it versatile for various system designs. Its low quiescent current of 1.3 mA per amplifier and high speed characteristics, such as a 125 MHz small signal bandwidth and 60 V/µs slew rate, make it suitable for battery-powered systems and high-density component applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 12 | V |
| Quiescent Current per Amplifier | - | 1.3 | - | mA |
| Small Signal Bandwidth | - | 125 | - | MHz |
| Slew Rate | - | 60 | - | V/µs |
| Input Voltage Range | -VS + 0.2 | - | +VS - 0.2 | V |
| Output Voltage Swing (RL = 1 kΩ) | -VS + 0.17 | - | +VS - 0.17 | V |
| Output Voltage Swing (RL = 10 kΩ) | -VS + 0.04 | - | +VS - 0.04 | V |
| Short-Circuit Current (Sinking/Sourcing) | 95/60 | - | - | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | 8-SOIC | - | - |
Key Features
- Rail-to-Rail Input and Output: The AD8029ARZ offers true single-supply operation with input and output voltage ranges extending 200 mV beyond each rail without phase reversal.
- High Speed Performance: With a 125 MHz small signal bandwidth and a 60 V/µs slew rate, this amplifier is suitable for high-speed applications.
- Low Power Consumption: The amplifier consumes only 1.3 mA of quiescent current per channel, making it ideal for battery-powered systems and low-power designs.
- Low Distortion and Fast Settling Time: The AD8029ARZ has a settling time to 0.1% of only 80 ns and an SFDR of –72 dBc at 1 MHz, ensuring high signal quality.
- Compact Packaging: Available in 8-SOIC and other compact packages, making it suitable for high-density component applications.
- Automotive Grade Version: The AD8040W, part of the same family, is qualified for automotive applications, though the AD8029ARZ itself is rated over the extended industrial temperature range of –40°C to +125°C.
Applications
- Battery-Powered Systems: The low power consumption makes the AD8029ARZ ideal for battery-powered devices requiring high bandwidth.
- High-Speed Systems: Suitable for applications needing high speed and low power dissipation, such as in high-density component designs.
- Analog-to-Digital Converters (ADCs): The amplifier's low distortion and fast settling time make it a good driver for single-supply ADCs.
- Industrial and Automotive Systems: With its wide operating temperature range and automotive-grade versions, it is suitable for various industrial and automotive applications.
Q & A
- What is the supply voltage range for the AD8029ARZ?
The AD8029ARZ operates on a supply voltage range from 2.7 V to 12 V.
- What is the quiescent current of the AD8029ARZ?
The quiescent current is 1.3 mA per amplifier.
- What is the small signal bandwidth of the AD8029ARZ?
The small signal bandwidth is 125 MHz.
- What is the slew rate of the AD8029ARZ?
The slew rate is 60 V/µs.
- What is the input voltage range of the AD8029ARZ?
The input voltage range extends 200 mV beyond each rail without phase reversal.
- What is the output voltage swing for a 1 kΩ load?
The output voltage swing is from –VS + 0.17 V to +VS – 0.17 V for a 1 kΩ load.
- What is the operating temperature range of the AD8029ARZ?
The operating temperature range is from –40°C to +125°C.
- What package types are available for the AD8029ARZ?
The AD8029ARZ is available in 8-SOIC and other compact packages.
- Is the AD8029ARZ suitable for automotive applications?
While the AD8029ARZ itself is not specifically automotive-grade, the AD8040W version of the family is qualified for automotive applications.
- What is the settling time to 0.1% for the AD8029ARZ?
The settling time to 0.1% is 80 ns.
