Overview
The ADA4077-1BRZ-RL, produced by Analog Devices Inc., is a high-precision, low-noise operational amplifier. It is part of the ADA4077 family, which includes single (ADA4077-1), dual (ADA4077-2), and quad (ADA4077-4) configurations. These amplifiers are known for their extremely low offset voltage and drift, as well as low input bias current, noise, and power consumption. They are the sixth generation of the industry-standard OP07 amplifier family, offering significant improvements over their predecessors, including lower offset and offset drift, lower input bias current, and enhanced stability over a wide temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage | 15 µV (max at 25°C) | µV |
| Input Offset Voltage Drift | 0.25 µV/°C (max) | µV/°C |
| Input Bias Current | 400 pA (max at 25°C) | pA |
| Voltage Noise Density | 6.9 nV/√Hz (typ at 1000 Hz) | nV/√Hz |
| Gain Bandwidth Product | 3.9 MHz | MHz |
| Slew Rate | 1.2 V/µs | V/µs |
| Supply Current per Amplifier | 400 µA (typ), 500 µA (max) | µA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 8-lead SOIC, 8-lead MSOP |
Key Features
- Extremely low offset voltage and drift, ensuring high precision in signal processing.
- Low input bias current and noise, making it suitable for sensitive applications.
- Wide bandwidth and high gain bandwidth product (3.9 MHz) for high-frequency applications.
- Low power consumption (400 µA per amplifier typical) and reduced warmup drift errors.
- Unity gain stable and no phase reversal, enhancing reliability in various configurations.
- High common-mode rejection ratio (CMRR), power supply rejection ratio (PSRR), and large signal voltage gain (AV) greater than 120 dB.
- Operating temperature range of -40°C to +125°C with an MSL1 rating, suitable for demanding environments.
- Internal overvoltage protection referenced to either supply rail.
Applications
- Process control front-end amplifiers.
- Optical network control circuits.
- Instrumentation, including precision sensors and controls such as thermocouples, resistance temperature detectors (RTDs), strain gages, and shunt current measurements.
- Precision filters and voltage or current measurement and level setting.
- Line powered and portable instrumentation.
- Wireless base station control circuits.
Q & A
- What is the typical input offset voltage of the ADA4077-1BRZ-RL?
The typical input offset voltage is 15 µV at 25°C.
- What is the input bias current of the ADA4077-1BRZ-RL?
The input bias current is 400 pA maximum at 25°C.
- What is the gain bandwidth product of the ADA4077-1BRZ-RL?
The gain bandwidth product is 3.9 MHz.
- What is the operating temperature range of the ADA4077-1BRZ-RL?
The operating temperature range is -40°C to +125°C.
- What are the package options for the ADA4077-1BRZ-RL?
The package options include 8-lead SOIC and 8-lead MSOP.
- Is the ADA4077-1BRZ-RL unity gain stable?
Yes, the ADA4077-1BRZ-RL is unity gain stable and does not exhibit phase reversal.
- What is the typical supply current per amplifier for the ADA4077-1BRZ-RL?
The typical supply current per amplifier is 400 µA, with a maximum of 500 µA.
- What are some common applications of the ADA4077-1BRZ-RL?
Common applications include process control front-end amplifiers, optical network control circuits, instrumentation, precision filters, and wireless base station control circuits.
- Does the ADA4077-1BRZ-RL have internal overvoltage protection?
Yes, the ADA4077-1BRZ-RL has internal overvoltage protection referenced to either supply rail.
- What is the MSL rating of the ADA4077-1BRZ-RL?
The ADA4077-1BRZ-RL has an MSL1 rating, which is compliant with the most stringent assembly processes.
