Overview
The ADA4077-2ARMZ from Analog Devices Inc. is a high-performance, dual operational amplifier that belongs to the sixth generation of the industry-standard OP07 amplifier family. This device is renowned for its extremely low offset voltage and drift, low input bias current, and low noise characteristics. The ADA4077-2 is designed to operate over a wide temperature range of -40°C to +125°C, making it suitable for demanding industrial and precision applications. It is available in 8-lead SOIC and 8-lead MSOP packages, offering superior performance in a compact form factor.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 25 µV (B grade), 50 µV (A grade) | At 25°C, VSY = ±5 V |
| Offset Voltage Drift | 0.25 µV/°C (B grade) | |
| Input Bias Current | 400 pA | |
| Wideband Noise | 7 nV/√Hz | |
| Bandwidth | 4 MHz | |
| Slew Rate | 1.2 V/µs | |
| Input Resistance | 70 GΩ (common mode) | |
| Output Voltage High | 13.5 V (IL = 1 mA) | -40°C < TA < +125°C |
| Output Voltage Low | -13.5 V (IL = 1 mA) | -40°C < TA < +125°C |
| Output Current | ±10 mA | VDROPOUT < 1.2 V |
| Short-Circuit Current | 22 mA | TA = 25°C |
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 slew rate, facilitating fast and accurate signal amplification.
- Stable operation with capacitive loads up to 1000 pF without external compensation.
- Operating temperature range of -40°C to +125°C with an MSL1 rating, suitable for demanding environments.
- Available in compact 8-lead SOIC and 8-lead MSOP packages.
- Freedom from phase inversion and low power consumption.
Applications
- Sensor signal conditioning (thermocouples, RTDs, strain gages).
- Process control front-end amplifiers.
- Precision diode power measurement in optical and wireless transmission systems.
- Line powered and portable instrumentation.
- Precision filters, voltage or current measurement, and level setting.
- Optical network control circuits and instrumentation.
Q & A
- What is the ADA4077-2ARMZ? The ADA4077-2ARMZ is a high-performance, dual operational amplifier from Analog Devices Inc., known for its low offset voltage, low input bias current, and low noise.
- What are the key specifications of the ADA4077-2ARMZ? Key specifications include an offset voltage of 25 µV (B grade) or 50 µV (A grade), an offset voltage drift of 0.25 µV/°C, and a bandwidth of 4 MHz.
- What are the typical applications of the ADA4077-2ARMZ? Typical applications include sensor signal conditioning, process control front-end amplifiers, precision diode power measurement, and precision filters.
- What is the operating temperature range of the ADA4077-2ARMZ? The operating temperature range is -40°C to +125°C with an MSL1 rating.
- What packages are available for the ADA4077-2ARMZ? It is available in 8-lead SOIC and 8-lead MSOP packages.
- How does the ADA4077-2ARMZ handle capacitive loads? The ADA4077-2ARMZ can handle capacitive loads of more than 1000 pF without external compensation.
- What is the slew rate of the ADA4077-2ARMZ? The slew rate is 1.2 V/µs.
- What is the input resistance of the ADA4077-2ARMZ? The input resistance is 70 GΩ (common mode).
- How much output current can the ADA4077-2ARMZ provide? The ADA4077-2ARMZ can provide an output current of ±10 mA.
- Is the ADA4077-2ARMZ susceptible to phase inversion? No, the ADA4077-2ARMZ is free from phase inversion.
