Overview
The AD8512ARZ-REEL, produced by Analog Devices Inc., is a dual precision JFET operational amplifier known for its exceptional performance characteristics. This amplifier features low offset voltage, low input bias current, and low noise, making it highly suitable for a variety of precision applications. The AD8512 is part of the AD8510/AD8512/AD8513 family, which includes single-, dual-, and quad-channel configurations. These amplifiers are designed to provide high accuracy and stability, making them ideal for use in medical instruments, electronic measurement, automated test equipment, and high-performance audio applications.
Key Specifications
| Parameter | Typical | Maximum |
|---|---|---|
| Input Offset Voltage | 400 μV | 400 μV |
| Input Bias Current | 25 pA at VS = ±15 V | |
| Supply Voltage Range | ±4.5 V to ±18 V | |
| Supply Current per Amplifier | 2.0 mA at VO = 0 V | 2.3 mA at −40°C < TA < +125°C |
| Slew Rate | 20 V/μs | |
| Gain Bandwidth Product | 8 MHz | |
| Settling Time to 0.1% | 500 ns for a 0 V to 4 V step, G = +1 | |
| Output Voltage High | 4.1 V at RL = 10 kΩ | 4.3 V at RL = 10 kΩ |
| Output Voltage Low | −4.9 V at RL = 10 kΩ | −4.7 V at RL = 10 kΩ |
| Output Current | ±40 mA | ±54 mA |
| Power Supply Rejection Ratio | 86 dB | 130 dB |
| Operating Temperature Range | −40°C to +125°C |
Key Features
- Low offset voltage and low input bias current, making it suitable for high impedance sensor amplification and precise current measurements.
- Fast settling time and high slew rate, ensuring superior accuracy in dynamic applications.
- Excellent stability with capacitive loads, ideal for high-performance filters.
- Low noise and distortion, making it a great choice for audio applications.
- Dual-supply operation with a wide supply voltage range (±4.5 V to ±18 V).
- Available in 8-lead narrow SOIC_N and 8-lead MSOP packages.
Applications
- Medical instruments: Due to its high accuracy and stability, it is well-suited for medical devices requiring precise signal amplification.
- Electronic measurement: Ideal for automated test equipment and other measurement applications where precision is critical.
- High-performance audio: Low noise and distortion make it suitable for audio amplification.
- High impedance sensor amplification: Suitable for amplifying signals from high impedance sensors.
- Precise current measurements: Can be used with shunts for accurate current measurements.
Q & A
- What is the typical input offset voltage of the AD8512ARZ-REEL? The typical input offset voltage is 400 μV.
- What is the input bias current of the AD8512ARZ-REEL? The input bias current is typically 25 pA at VS = ±15 V.
- What is the slew rate of the AD8512ARZ-REEL? The slew rate is 20 V/μs.
- What is the gain bandwidth product of the AD8512ARZ-REEL? The gain bandwidth product is 8 MHz.
- How long does it take for the AD8512ARZ-REEL to settle to 0.1%? It takes approximately 500 ns to settle to 0.1% for a 0 V to 4 V step with a gain of +1.
- What is the operating temperature range of the AD8512ARZ-REEL? The operating temperature range is −40°C to +125°C.
- In what packages is the AD8512ARZ-REEL available? It is available in 8-lead narrow SOIC_N and 8-lead MSOP packages.
- What are some common applications of the AD8512ARZ-REEL? Common applications include medical instruments, electronic measurement, high-performance audio, high impedance sensor amplification, and precise current measurements.
- What is the power supply rejection ratio of the AD8512ARZ-REEL? The power supply rejection ratio is 86 dB to 130 dB.
- What is the output current capability of the AD8512ARZ-REEL? The output current is ±40 mA to ±54 mA.
