Overview
The AD8033ARZ-REEL, produced by Analog Devices Inc., is a single-channel, low-cost, high-performance operational amplifier (op amp) known as the AD8033 FastFET™ amplifier. This device is part of Analog Devices' proprietary XFCB (eXtra Fast Complementary Bipolar) process, which enhances its performance characteristics. The AD8033 offers ease of use and excellent performance, making it suitable for a variety of applications requiring high speed, low noise, and low input bias current.
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 | ||
| −3 dB Bandwidth | G = +2, VOUT = 2 V p-p | 21 | MHz | ||
| Slew Rate (25% to 75%) | G = +2, VOUT = 4 V step | 55 | 80 | V/μs | |
| Settling Time to 0.1% | G = +2, VOUT = 2 V step | 95 | ns | ||
| Settling Time to 0.1% | G = +2, VOUT = 8 V step | 225 | ns | ||
| Input Noise Voltage | f = 100 kHz | 11 nV/√Hz | |||
| Input Noise Current | f = 100 kHz | 0.7 fA/√Hz | |||
| Offset Voltage | 1 mV | 2 mV | |||
| Supply Voltage Range | 5 V | 24 V | |||
| Quiescent Current per Amplifier | 3.3 mA | 3.5 mA | |||
| Common-Mode Rejection Ratio (CMRR) | −100 dB |
Key Features
- High Speed Performance: 80 MHz bandwidth and 80 V/μs slew rate, ensuring fast response times and high accuracy in dynamic applications.
- Low Noise: Input noise voltage of 11 nV/√Hz and input noise current of 0.7 fA/√Hz at 100 kHz, making it suitable for low-noise applications.
- Wide Supply Voltage Range: Operational from 5 V to 24 V, allowing flexibility in various power supply configurations.
- Single-Supply and Rail-to-Rail Output: Enables operation on a single supply and provides output voltage swings that reach close to the supply rails.
- Low Input Bias Current: Utilizes JFET inputs to achieve low input bias current, which is beneficial in applications requiring minimal current draw from the input source.
- High Common-Mode Rejection Ratio (CMRR): Offers a CMRR of −100 dB, ensuring good rejection of common-mode signals.
- Low Power Consumption: Typical quiescent current of 3.3 mA per amplifier, making it energy-efficient.
- No Phase Reversal: Ensures stable operation without phase reversal even when the input exceeds the supply rails by a certain margin.
- Compact Packaging: Available in 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 packages, suitable for space-constrained designs.
Applications
- Instrumentation: Ideal for use in various instrumentation applications due to its high accuracy and stability.
- Filters: Suitable for active filter designs requiring high speed and low noise.
- Level Shifting: Can be used for level shifting applications where high speed and low distortion are necessary.
- Buffering: Excellent as a buffer amplifier in high-speed signal chains.
- High-Speed Systems: Applicable in high-speed, battery-operated systems where power efficiency and performance are critical.
Q & A
- What is the bandwidth of the AD8033 amplifier?
The AD8033 has a bandwidth of 80 MHz for a gain of +1 and 30 MHz for a gain of +2 with a 0.2 V p-p output signal.
- What is the slew rate of the AD8033?
The slew rate of the AD8033 is 80 V/μs for a gain of +2 with a 4 V step input.
- What is the input noise voltage of the AD8033?
The input noise voltage of the AD8033 is 11 nV/√Hz at 100 kHz.
- What is the supply voltage range for the AD8033?
The AD8033 operates over a supply voltage range from 5 V to 24 V.
- Does the AD8033 have rail-to-rail output capability?
Yes, the AD8033 has rail-to-rail output capability, allowing the output to swing close to the supply rails.
- What is the typical quiescent current of the AD8033?
The typical quiescent current of the AD8033 is 3.3 mA per amplifier.
- What are the common packaging options for the AD8033?
The AD8033 is available in 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 packages.
- Does the AD8033 exhibit phase reversal?
No, the AD8033 does not exhibit phase reversal even when the input exceeds the supply rails by a certain margin.
- What is the common-mode rejection ratio (CMRR) of the AD8033?
The CMRR of the AD8033 is −100 dB.
- What are some typical applications for the AD8033?
The AD8033 is typically used in instrumentation, filters, level shifting, buffering, and high-speed systems.
