Overview
The ADA4077-2ARMZ-R7, produced by Analog Devices Inc., is a high-precision, low-noise operational amplifier. It is part of the sixth generation of the industry-standard OP07 amplifier family. This dual amplifier is known for its extremely low offset voltage and drift, as well as its low input bias current, noise, and power consumption. The ADA4077-2 is designed to operate over an extended industrial temperature range of -40°C to +125°C, making it suitable for a wide range of applications, including line-powered and portable instrumentation, precision filters, and voltage or current measurement and level setting.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 25 µV (B grade), 50 µV (A grade) at 25°C | VSY = ±5 V, VCM = 0 V |
| Offset Voltage Drift | 0.25 µV/°C maximum | -40°C to +125°C |
| Input Bias Current | 0.09 nA at ±5 V | -40°C to +125°C |
| Wideband Noise | 7 nV/√Hz | - |
| Bandwidth | 4 MHz | - |
| Supply Voltage Range | ±2.5 V to ±15 V | - |
| Operating Temperature Range | -40°C to +125°C | - |
| Output Voltage High | 13.5 V at IL = 1 mA | VSY = ±5 V |
| Output Voltage Low | -13.5 V at IL = 1 mA | VSY = ±5 V |
| Output Current | ±10 mA | VDROPOUT < 1.2 V |
| Package Type | 8-Pin MSOP | - |
Key Features
- Extremely low offset voltage and drift, ensuring high precision in various applications.
- Low input bias current, noise, and power consumption, making it suitable for low-power and high-sensitivity applications.
- Stable operation with capacitive loads of more than 1000 pF without external compensation.
- Wide bandwidth of 4 MHz and high slew rate, enhanced by a factor of six compared to the OP177.
- Complete freedom from phase inversion and low wideband noise of 7 nV/√Hz.
- Operating temperature range of -40°C to +125°C with an MSL1 rating, suitable for demanding industrial environments.
- Available in 8-lead SOIC and 8-lead MSOP packages, offering compact design options.
Applications
- Sensor signal conditioning for thermocouples, resistance temperature detectors (RTDs), and strain gages.
- Process control front-end amplifiers.
- Precision diode power measurement in optical and wireless transmission systems.
- Line-powered and portable instrumentation.
- Precision filters and voltage or current measurement and level setting.
- Optical network control circuits and instrumentation.
Q & A
- What is the ADA4077-2ARMZ-R7?
The ADA4077-2ARMZ-R7 is a high-precision, low-noise dual operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4077-2ARMZ-R7?
Key features include extremely low offset voltage and drift, low input bias current, noise, and power consumption, and stable operation with capacitive loads.
- What is the operating temperature range of the ADA4077-2ARMZ-R7?
The operating temperature range is -40°C to +125°C.
- What are the typical supply voltage ranges for the ADA4077-2ARMZ-R7?
The supply voltage range is from ±2.5 V to ±15 V.
- What are some common applications of the ADA4077-2ARMZ-R7?
Applications include sensor signal conditioning, process control front-end amplifiers, precision filters, and voltage or current measurement and level setting.
- What is the bandwidth of the ADA4077-2ARMZ-R7?
The bandwidth is 4 MHz.
- What is the noise level of the ADA4077-2ARMZ-R7?
The wideband noise is 7 nV/√Hz.
- Is the ADA4077-2ARMZ-R7 suitable for high-temperature environments?
Yes, it has an MSL1 rating and operates over an extended industrial temperature range of -40°C to +125°C.
- What package types are available for the ADA4077-2ARMZ-R7?
It is available in 8-lead SOIC and 8-lead MSOP packages.
- How does the ADA4077-2ARMZ-R7 compare to previous generations of operational amplifiers?
The ADA4077-2ARMZ-R7 offers significant improvements over previous generations, including lower offset and offset drift, lower input bias current, and increased bandwidth and slew rate.
