Overview
The AD8032AN, produced by Analog Devices Inc., is a dual-channel, high-speed, low-power voltage feedback amplifier. It is part of the AD8031/AD8032 series, which features innovative architecture to maximize dynamic range capability on both inputs and outputs. Fabricated on Analog Devices' eXtra Fast Complementary Bipolar (XFCB) process, this amplifier offers impressive performance with an 80 MHz bandwidth and a 30 V/µs slew rate, all while consuming only 800 µA of supply current per amplifier.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 80 MHz | - |
| Slew Rate | 30 V/µs | - |
| Settling Time | 125 ns (to 0.1%) | - |
| Supply Current | 800 µA/Amplifier | - |
| Supply Voltage | +2.7 V, +5 V, ±5 V | - |
| Input Voltage Range | Extends 200 mV beyond each rail | - |
| Output Voltage Swing | Within 20 mV of each rail | - |
| Total Harmonic Distortion (THD) | -62 dBc @ 1 MHz, 2 V p-p; -86 dBc @ 100 kHz, 4.6 V p-p | - |
| Input Offset Voltage | ±1 to ±6 mV | - |
| Input Bias Current | 0.45 to 1.2 µA | - |
| Output Current | 15 mA | - |
Key Features
- Low Power Consumption: Only 800 µA of supply current per amplifier.
- High Speed Performance: 80 MHz bandwidth and 30 V/µs slew rate.
- Rail-to-Rail Input and Output: Input voltage range extends 200 mV beyond each rail, and output voltage swings to within 20 mV of each rail.
- Low Distortion: Total Harmonic Distortion (THD) of -62 dBc at 1 MHz and -86 dBc at 100 kHz.
- Fast Settling Time: 125 ns to 0.1%.
- Single Supply Capability: Fully specified at +2.7 V, +5 V, and ±5 V supplies.
Applications
- High-Speed Data Acquisition Systems: Ideal for buffering single-supply ADCs due to their low distortion and fast settling time.
- Battery-Powered Systems: Low power consumption extends the operation time of high-speed battery-powered systems without compromising dynamic performance.
- Audio and Video Equipment: Suitable for applications requiring high bandwidth and low distortion, such as audio and video signal processing.
- Medical Devices: Can be used in medical equipment where high speed and low noise are critical.
Q & A
- What is the bandwidth of the AD8032AN amplifier?
The AD8032AN has a bandwidth of 80 MHz.
- What is the slew rate of the AD8032AN?
The slew rate is 30 V/µs.
- What is the supply current per amplifier for the AD8032AN?
The supply current per amplifier is 800 µA.
- What are the supported supply voltages for the AD8032AN?
The AD8032AN is fully specified at +2.7 V, +5 V, and ±5 V supplies.
- How much does the output voltage swing from the rail?
The output voltage swings to within 20 mV of each rail.
- What is the Total Harmonic Distortion (THD) of the AD8032AN?
The THD is -62 dBc at 1 MHz and -86 dBc at 100 kHz.
- What is the settling time of the AD8032AN?
The settling time is 125 ns to 0.1%.
- Does the AD8032AN have rail-to-rail input and output capabilities?
Yes, it has rail-to-rail input and output capabilities.
- What is the maximum output current of the AD8032AN?
The maximum output current is 15 mA.
- Is the AD8032AN suitable for high-speed data acquisition systems?
Yes, it is ideal for buffering single-supply ADCs due to its low distortion and fast settling time.
