Overview
The AD8033ARZ from Analog Devices Inc. is a single-channel FastFET™ operational amplifier, designed with FET inputs and utilizing Analog Devices' proprietary XFCB process. This voltage feedback amplifier offers ease of use and excellent performance, making it a versatile component for various applications. It operates over a supply voltage range of 5V to 24V and is fully functional on a single supply, enhancing its usability in more applications compared to similarly priced FET input amplifiers. The AD8033ARZ features rail-to-rail outputs, contributing to its versatility and performance in different operational scenarios.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| −3 dB Bandwidth (G = +1) | VOUT = 0.2 V p-p | 65 | 80 | - | MHz |
| −3 dB Bandwidth (G = +2) | VOUT = 0.2 V p-p | 30 | - | - | MHz |
| Slew Rate (G = +2) | VOUT = 4 V step | 55 | 80 | - | V/μs |
| Input Bias Current | TA = 25°C, VS = 5V, RL = 1 kΩ | - | 1 pA | - | - |
| Input Voltage Noise | f = 100 kHz | - | 11 nV/√Hz | - | - |
| Input Current Noise | f = 100 kHz | - | 0.7 fA/√Hz | - | - |
| Offset Voltage | - | - | 1 mV | - | - |
| Common-Mode Rejection Ratio | VCM = 1.0 V to 2.5 V | -80 | -100 | - | dB |
| Quiescent Current per Amplifier | - | 3.3 | 3.5 | mA | |
| Operating Temperature Range | - | -40 | - | 85 | °C |
| Package Style | - | - | - | 8-lead SOIC-N | - |
Key Features
- FET Inputs: The AD8033ARZ features FET inputs, which provide low input bias current and high input impedance.
- High Bandwidth: The amplifier has a high −3 dB bandwidth of up to 80 MHz at a gain of +1.
- High Slew Rate: A slew rate of 80 V/μs at a gain of +2 ensures fast signal response.
- Rail-to-Rail Outputs: The device offers rail-to-rail output capability, enhancing its versatility in various applications.
- Low Noise: Low input voltage noise of 11 nV/√Hz and input current noise of 0.7 fA/√Hz at 100 kHz.
- High Common-Mode Rejection Ratio (CMRR): CMRR of up to −100 dB ensures minimal common-mode signal interference.
- Wide Operating Temperature Range: The amplifier operates over a temperature range of −40°C to +85°C.
Applications
- Instrumentation: Suitable for use in precision instrumentation due to its low noise and high accuracy.
- Filters: Can be used in active filter designs where high bandwidth and low distortion are required.
- Level Shifting: Ideal for level shifting applications due to its rail-to-rail output capability.
- Buffering: Used as a buffer amplifier to isolate and amplify signals without loading the source.
Q & A
- What is the typical −3 dB bandwidth of the AD8033ARZ at a gain of +1?
The typical −3 dB bandwidth is 80 MHz at a gain of +1.
- What is the slew rate of the AD8033ARZ at a gain of +2?
The slew rate is typically 80 V/μs at a gain of +2.
- What is the input bias current of the AD8033ARZ?
The input bias current is typically 1 pA at TA = 25°C, VS = 5V, and RL = 1 kΩ.
- What is the common-mode rejection ratio (CMRR) of the AD8033ARZ?
The CMRR is typically up to −100 dB.
- What is the operating temperature range of the AD8033ARZ?
The operating temperature range is −40°C to +85°C.
- What is the package style of the AD8033ARZ?
The package style is 8-lead SOIC-N.
- What are some common applications of the AD8033ARZ?
Common applications include instrumentation, filters, level shifting, and buffering.
- What is the quiescent current per amplifier for the AD8033ARZ?
The quiescent current per amplifier is typically 3.3 mA to 3.5 mA.
- Does the AD8033ARZ support single-supply operation?
Yes, the AD8033ARZ is fully operational on a single supply.
- What is the input voltage noise of the AD8033ARZ at 100 kHz?
The input voltage noise is typically 11 nV/√Hz at 100 kHz.
