Overview
The ADA4077-2BRZ-R7, 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. This amplifier is the sixth generation of the industry-standard OP07 amplifier family, offering significant improvements in performance. It features extremely low offset voltage and drift, low input bias current, noise, and power consumption, making it ideal for a variety of precision applications.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | Vos | At 25°C (B grade) | 25 µV | µV | ||
| Offset Voltage Drift | TCVos | 0.25 µV/°C | µV/°C | |||
| Input Bias Current | Ib | 100 pA | pA | |||
| Input Noise Voltage Density | en | f = 1 Hz | 13 nV/√Hz | nV/√Hz | ||
| Bandwidth | f | 4 MHz | MHz | |||
| Supply Voltage | VSY | ±18 V | V | |||
| Operating Temperature Range | TA | -40°C | +125°C | °C | ||
| Output Voltage High | VOH | IL = 1 mA | 13.5 V | V | ||
| Output Voltage Low | VOL | IL = 1 mA | -13.5 V | V | ||
| Output Current | IOUT | VDROPOUT < 1.2 V | ±10 mA | mA |
Key Features
- Extremely low offset voltage and drift, with a maximum offset voltage of 25 µV at 25°C (B grade).
- Low input bias current of 100 pA, which is relatively insensitive to ambient temperatures.
- Low noise performance with a voltage noise density of 13 nV/√Hz at 1 Hz.
- Wide bandwidth of 4 MHz and a slew rate increased by a factor of six compared to the OP177.
- Stable operation with capacitive loads of more than 1000 pF without external compensation.
- Operating temperature range of -40°C to +125°C with an MSL1 rating, ensuring compliance with stringent assembly processes.
- Low power consumption, reduced by a factor of four compared to the OP177.
- Internal protection from overvoltage conditions referenced to either supply rail.
Applications
- Process control front-end amplifiers.
- Optical network control circuits.
- Instrumentation, including precision sensors and controls.
- Precision filters.
- Sensor signal conditioning for thermocouples, resistance temperature detectors (RTDs), and strain gages.
- Precision diode power measurement in optical and wireless transmission systems.
- Line powered and portable instrumentation.
- Voltage or current measurement and level setting.
Q & A
- What is the ADA4077-2BRZ-R7?
The ADA4077-2BRZ-R7 is a high-precision, low-noise dual operational amplifier produced by Analog Devices Inc..
- What are the key features of the ADA4077-2BRZ-R7?
Key features include extremely low offset voltage and drift, low input bias current, low noise performance, wide bandwidth, and stable operation with capacitive loads.
- What is the operating temperature range of the ADA4077-2BRZ-R7?
The operating temperature range is -40°C to +125°C.
- What is the maximum offset voltage of the ADA4077-2BRZ-R7?
The maximum offset voltage is 25 µV at 25°C (B grade).
- What is the bandwidth of the ADA4077-2BRZ-R7?
The bandwidth is 4 MHz.
- What are some typical applications of the ADA4077-2BRZ-R7?
Typical applications include process control front-end amplifiers, optical network control circuits, instrumentation, precision filters, and sensor signal conditioning.
- How does the ADA4077-2BRZ-R7 compare to previous generations of operational amplifiers?
The ADA4077-2BRZ-R7 offers improved performance with lower offset and offset drift, lower input bias current, and increased bandwidth and slew rate compared to the OP177.
- What is the MSL rating of the ADA4077-2BRZ-R7?
The ADA4077-2BRZ-R7 has an MSL1 rating, which is compliant with the most stringent assembly processes.
- How is the power consumption of the ADA4077-2BRZ-R7 compared to other amplifiers?
The power consumption is reduced by a factor of four compared to the OP177.
- Does the ADA4077-2BRZ-R7 require external compensation for capacitive loads?
No, the ADA4077-2BRZ-R7 can operate stably with capacitive loads of more than 1000 pF without external compensation.
