Overview
The AD8512BRZ-REEL7 is a dual-channel precision JFET operational amplifier produced by Analog Devices Inc. This amplifier is renowned for its low offset voltage, low input bias current, and low input voltage noise, making it highly suitable for a variety of precision applications. The AD8512BRZ-REEL7 is part of the AD8510/AD8512/AD8513 family, which includes single-, dual-, and quad-channel configurations. It is particularly useful in high impedance sensor amplification, precise current measurements, and applications requiring low noise and high accuracy.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage (B Grade) | VOS | −40°C < TA < +125°C | 0.08 mV | 0.4 mV | 0.8 mV | mV |
| Input Bias Current | IB | −40°C < TA < +85°C | 21 pA | 75 pA | 0.7 nA | pA/nA |
| Input Offset Current | IOS | −40°C < TA < +85°C | 5 pA | 50 pA | 0.3 nA | pA/nA |
| Input Capacitance (Differential) | 12.5 pF | pF | ||||
| Input Voltage Range | −13.5 V | +13.0 V | V | |||
| Output Voltage High (RL = 600 Ω) | VOH | 3.7 V | 4.1 V | V | ||
| Output Voltage Low (RL = 600 Ω) | VOL | −40°C < TA < +125°C | −4.8 V | −4.2 V | V | |
| Output Current | IOUT | ±40 mA | ±54 mA | mA | ||
| Supply Current/Amplifier | ISY | VO = 0 V, −40°C < TA < +125°C | 2.0 mA | 2.3 mA | 2.5 mA | mA |
| Slew Rate (RL = 2 kΩ) | SR | 20 V/μs | V/μs | |||
| Gain Bandwidth Product | GBP | 8 MHz | MHz | |||
| Settling Time (to 0.1%, 0 V to 4 V step, G = +1) | tS | 0.4 μs | μs | |||
| Voltage Noise Density (f = 1 kHz) | en | 8.0 nV/√Hz | 10 nV/√Hz | nV/√Hz |
Key Features
- Low Offset Voltage: Maximum offset voltage of 0.4 mV, ensuring high precision in applications.
- Low Input Bias Current: Typical input bias current of 75 pA, suitable for high impedance sensor amplification.
- Low Noise: Voltage noise density of 8 nV/√Hz at 1 kHz, making it ideal for low noise applications.
- Fast Settling Time: Typical settling time of 0.4 μs to 0.1% for a 0 V to 4 V step, G = +1.
- High Output Current: Output current capability of ±54 mA.
- Dual-Supply Operation: Operates with supply voltages from ±5 V to ±15 V.
- No Phase Reversal: Unity-gain stable with no phase reversal.
- Wide Operating Temperature Range: From −40°C to +125°C.
- Package Style: 8-lead SOIC-N package.
Applications
- High Impedance Sensor Amplification: Ideal for amplifying signals from high impedance sensors.
- Precision Current Measurements: Suitable for precise current measurements using shunts.
- Medical Instruments: Used in medical instruments due to its high precision and low noise characteristics.
- Electronic Measurement and Automated Test Equipment: Enhances accuracy in electronic measurement and automated test equipment.
- Audio Applications: Low noise and distortion make it suitable for audio applications.
- Instrumentation: Used in various instrumentation applications, including multipole filters and photodiode amplifiers.
Q & A
- Q: What is the typical offset voltage of the AD8512BRZ-REEL7?
A: The typical offset voltage is 0.4 mV. - Q: What is the input bias current of the AD8512BRZ-REEL7?
A: The typical input bias current is 75 pA. - Q: What is the voltage noise density of the AD8512BRZ-REEL7 at 1 kHz?
A: The voltage noise density is 8 nV/√Hz at 1 kHz. - Q: What is the settling time of the AD8512BRZ-REEL7 to 0.1% for a 0 V to 4 V step?
A: The typical settling time is 0.4 μs. - Q: What is the output current capability of the AD8512BRZ-REEL7?
A: The output current capability is ±54 mA. - Q: What is the operating temperature range of the AD8512BRZ-REEL7?
A: The operating temperature range is from −40°C to +125°C. - Q: What package style does the AD8512BRZ-REEL7 come in?
A: It comes in an 8-lead SOIC-N package. - Q: Is the AD8512BRZ-REEL7 unity-gain stable?
A: Yes, it is unity-gain stable with no phase reversal. - Q: What are some common applications of the AD8512BRZ-REEL7?
A: Common applications include high impedance sensor amplification, precision current measurements, medical instruments, electronic measurement, automated test equipment, and audio applications. - Q: What is the warranty period for the AD8512BRZ-REEL7 from Ovaga Technologies?
A: Ovaga Technologies offers a 1-year warranty on the AD8512BRZ-REEL7.
