The AD549JHZ is a high precision, low noise operational amplifier from Analog Devices Inc., designed to meet the stringent requirements of professional electronic equipment. This op-amp is renowned for its ultra-low input bias current, making it an excellent choice for applications that demand the highest level of accuracy and noise performance.
Key Features
- Ultra-Low Input Bias Current: The AD549JHZ boasts an input bias current of typically 60 fA, making it ideal for applications such as photodiode amplifiers, where minimal input current is crucial.
- Low Offset Voltage: With a maximum offset voltage of 1 mV, this operational amplifier ensures precision and stability in your circuit designs.
- High Input Impedance: The device features a very high input impedance, minimizing the loading effect on signal sources and preserving signal integrity.
- Low Noise: A low voltage noise density of 4 nV/√Hz at 1 kHz ensures that the AD549JHZ can be used in sensitive audio and instrumentation applications without compromising the signal quality.
Applications
The AD549JHZ is versatile and can be implemented in a variety of high-performance applications, including:
- Electrometer Amplifiers
- Photodiode Amplifiers
- Medical Instrumentation
- Sample and Hold Circuits
- Precision Current-to-Voltage Converters
- High-Resolution Analog-to-Digital Converters
Product Specifications
| Parameter |
Value |
| Supply Voltage (±V) |
5 to 15 |
| Input Offset Voltage (mV) |
1 |
| Input Bias Current (fA) |
60 |
| Voltage Noise Density (nV/√Hz) |
4 at 1 kHz |
For those in need of a reliable and high-performing operational amplifier, the AD549JHZ from Analog Devices Inc. is a prime choice that combines precision, low noise, and low input bias current, all in one package.