Overview
The ADA4077-1BRZ-R7, produced by Analog Devices Inc., is part of the sixth generation of the industry-standard OP07 amplifier family. This high-precision, low-noise operational amplifier is available in single (ADA4077-1), dual (ADA4077-2), and quad (ADA4077-4) configurations. The ADA4077-1BRZ-R7 specifically refers to the single-channel version in an 8-lead SOIC package. It is characterized by extremely low offset voltage and drift, low input bias current, noise, and power consumption. These amplifiers are designed for applications requiring high precision and stability over a wide temperature range of -40°C to +125°C, making them suitable for various industrial and precision measurement tasks.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Offset Voltage | 25 µV (B grade), 50 µV (A grade) | µV | At 25°C |
| Offset Voltage Drift | 0.25 µV/°C (B grade), 0.55 µV/°C (A grade) | µV/°C | |
| Input Bias Current | 1 nA maximum | nA | At 25°C |
| Voltage Noise Density | 6.9 nV/√Hz typical at 1000 Hz | nV/√Hz | |
| Common-Mode Rejection Ratio (CMRR) | 132 dB minimum | dB | VCM = -13.8 V to +13 V |
| Power Supply Rejection Ratio (PSRR) | 123 dB minimum | dB | VS = ±2.5 V to ±18 V |
| Supply Current per Amplifier | 400 µA typical, 500 µA maximum | µA | |
| Gain Bandwidth Product | 3.9 MHz at ±5 V | MHz | |
| Slew Rate | 1.2 V/µs | V/µs | RL = 2 kΩ |
| Operating Temperature Range | -40°C to +125°C | °C |
Key Features
- Extremely low offset voltage and drift, and low input bias current, noise, and power consumption.
- Stable with capacitive loads of more than 1000 pF without external compensation.
- Wide gain bandwidth product of 3.9 MHz at ±5 V and a slew rate of 1.2 V/µs.
- High CMRR, PSRR, and AV (> 120 dB minimum).
- Low supply current (400 µA typical per amplifier) and reduced power dissipation compared to previous generations.
- Operating temperature range of -40°C to +125°C with an MSL1 rating, ensuring reliability in demanding environments.
- No phase reversal and complete freedom from phase inversion.
- Internally protected inputs from overvoltage conditions referenced to either supply rail).
Applications
- Process control front-end amplifiers.
- Optical network control circuits.
- Instrumentation and precision measurement systems.
- Sensor signal conditioning (thermocouples, RTDs, strain gages).
- Precision filters and voltage or current measurement and level setting.
- Wireless base station control circuits).
- Precision diode power measurement in optical and wireless transmission systems).
Q & A
- What is the ADA4077-1BRZ-R7?
The ADA4077-1BRZ-R7 is a high-precision, low-noise operational amplifier from Analog Devices Inc., part of the ADA4077 family.
- What are the key features of the ADA4077-1BRZ-R7?
Key features include extremely low offset voltage and drift, low input bias current, noise, and power consumption, and stability with high capacitive loads.
- What is the operating temperature range of the ADA4077-1BRZ-R7?
The operating temperature range is -40°C to +125°C.
- What are some typical applications for the ADA4077-1BRZ-R7?
Applications include process control, optical network control, instrumentation, sensor signal conditioning, and precision measurement systems.
- What is the gain bandwidth product of the ADA4077-1BRZ-R7?
The gain bandwidth product is 3.9 MHz at ±5 V.
- Does the ADA4077-1BRZ-R7 require external compensation for capacitive loads?
No, it is stable with capacitive loads of more than 1000 pF without external compensation.
- What is the typical supply current per amplifier for the ADA4077-1BRZ-R7?
The typical supply current per amplifier is 400 µA.
- Is the ADA4077-1BRZ-R7 protected against overvoltage conditions?
Yes, the inputs are internally protected from overvoltage conditions referenced to either supply rail.
- What is the MSL rating of the ADA4077-1BRZ-R7?
The ADA4077-1BRZ-R7 has an MSL1 rating, indicating it is compliant with the most stringent assembly processes.
- How does the ADA4077-1BRZ-R7 compare to previous generations of OP07 amplifiers?
The ADA4077-1BRZ-R7 offers reduced power dissipation and increased bandwidth and slew rate compared to previous generations.
