Overview
The AD8033AR-REEL7, produced by Analog Devices Inc., is a single-channel, voltage feedback operational amplifier known as the AD8033 FastFET™ amplifier. This device features FET inputs, offering ease of use and excellent performance. The AD8033 is part of Analog Devices' proprietary XFCB process, which incorporates JFET devices to enhance performance in low input bias current and high bandwidth applications.
The amplifier is characterized by its high speed, low noise, and wide supply voltage range, making it suitable for a variety of applications requiring precision and reliability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| −3 dB Bandwidth | G = +1, VOUT = 0.2 V p-p | 65 | 80 | MHz | |
| Slew Rate (25% to 75%) | G = +2, VOUT = 4 V step | 55 | 80 | V/μs | |
| Input Bias Current | 0.45 | 1.2 | μA | ||
| Input Offset Voltage | 1 | mV | |||
| Common-Mode Rejection Ratio | −100 | dB | |||
| Power Supply Range | 5 | 24 | V | ||
| Quiescent Current per Amplifier | 3.3 | 3.5 | mA | ||
| Output Voltage Swing | RL = 1 kΩ | −4.7 | +4.75 | V | |
| Output Short-Circuit Current | 40 | mA |
Key Features
- High Speed: 80 MHz bandwidth and 80 V/μs slew rate, making it suitable for high-frequency applications.
- Low Noise: 11 nV/√Hz and 0.7 fA/√Hz noise performance, ensuring low distortion and high signal integrity.
- Wide Supply Voltage Range: Operates from 5 V to 24 V, allowing flexibility in various power supply configurations.
- Low Input Bias Current: Utilizes JFET inputs to achieve low input bias current, typically 0.45 μA.
- Rail-to-Rail Output: Provides full output voltage swing, enhancing the dynamic range of the amplifier.
- High Common-Mode Rejection Ratio (CMRR): Up to −100 dB, ensuring good rejection of common-mode signals.
- Low Power Consumption: Typical quiescent current of 3.3 mA per amplifier, suitable for power-sensitive applications.
- Compact Packaging: Available in 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 packages, facilitating space-efficient designs.
Applications
- Instrumentation: Ideal for precision measurement and signal conditioning due to its high accuracy and low noise.
- Filters: Can be used in active filter circuits requiring high bandwidth and low distortion.
- Level Shifting: Suitable for voltage level shifting applications due to its rail-to-rail output capability.
- Buffering: Effective as a buffer amplifier in various signal processing applications.
Q & A
- What is the bandwidth of the AD8033 amplifier?
The AD8033 amplifier has a bandwidth of up to 80 MHz for a gain of +1 and 30 MHz for a gain of +2.
- What is the typical input bias current of the AD8033?
The typical input bias current of the AD8033 is 0.45 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8033?
The CMRR of the AD8033 is up to −100 dB.
- What is the output voltage swing of the AD8033?
The output voltage swing of the AD8033 is typically ±4.75 V for a load resistance of 1 kΩ.
- What are the available package options for the AD8033?
The AD8033 is available in 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 packages.
- What is the typical quiescent current of the AD8033?
The typical quiescent current of the AD8033 is 3.3 mA per amplifier.
- What is the slew rate of the AD8033?
The slew rate of the AD8033 is typically 80 V/μs for a gain of +2.
- What are some common applications of the AD8033?
The AD8033 is commonly used in instrumentation, filters, level shifting, and buffering applications.
- What is the noise performance of the AD8033?
The AD8033 has a noise performance of 11 nV/√Hz and 0.7 fA/√Hz.
- What is the operating supply voltage range of the AD8033?
The AD8033 operates from a supply voltage range of 5 V to 24 V.
