Overview
The ADA4077-4ARUZ-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 quad amplifier is known for its extremely low offset voltage and drift, as well as its low input bias current, noise, and power consumption. The ADA4077-4ARUZ-R7 is designed to operate over an extended industrial temperature range from -40°C to +125°C, making it suitable for demanding operating conditions.
The device features superior performance in small packages, including 14-lead TSSOP and 14-lead SOIC, and is compliant with the most stringent assembly processes due to its MSL1 rating.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 50 µV maximum (A grade) | VSY = ±5.0 V, VCM = 0 V, TA = 25°C |
| Offset Voltage Drift | 0.25 µV/°C maximum (B grade) | TA = -40°C to +125°C |
| Input Bias Current | 1.5 nA | TA = 25°C |
| Wideband Noise | 7 nV/√Hz | f = 1 kHz |
| Gain Bandwidth Product (GBP) | 3.9 MHz | |
| Slew Rate (SR) | 1.2 V/µs | |
| Common Mode Rejection Ratio (CMRR) | 150 dB | |
| Supply Voltage Range | ±2.5 V to ±15 V | |
| Operating Supply Current | 400 µA (per channel) | |
| Output Current per Channel | 10 mA | VDROPOUT < 1.2 V |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- Extremely low offset voltage and drift.
- Low input bias current and noise.
- Low power consumption, with an operating supply current of 400 µA per channel.
- High gain bandwidth product of 3.9 MHz and slew rate of 1.2 V/µs.
- High common mode rejection ratio (CMRR) of 150 dB.
- Stable operation with capacitive loads of more than 1000 pF without external compensation.
- MSL1 rating, compliant with stringent assembly processes.
- Operating temperature range from -40°C to +125°C.
Applications
- Sensor signal conditioning (thermocouples, resistance temperature detectors (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 and voltage or current measurement and level setting.
- Optical network control circuits.
- Precision sensors and controls.
Q & A
- What is the maximum offset voltage of the ADA4077-4ARUZ-R7?
The maximum offset voltage is 50 µV (A grade) at 25°C.
- What is the input bias current of the ADA4077-4ARUZ-R7?
The input bias current is 1.5 nA at 25°C.
- What is the gain bandwidth product (GBP) of the ADA4077-4ARUZ-R7?
The GBP is 3.9 MHz.
- What is the slew rate of the ADA4077-4ARUZ-R7?
The slew rate is 1.2 V/µs.
- What is the common mode rejection ratio (CMRR) of the ADA4077-4ARUZ-R7?
The CMRR is 150 dB.
- What is the operating supply current of the ADA4077-4ARUZ-R7?
The operating supply current is 400 µA per channel.
- What is the output current per channel of the ADA4077-4ARUZ-R7?
The output current per channel is 10 mA.
- What is the operating temperature range of the ADA4077-4ARUZ-R7?
The operating temperature range is from -40°C to +125°C.
- What are the typical applications of the ADA4077-4ARUZ-R7?
Typical applications include sensor signal conditioning, process control front-end amplifiers, precision diode power measurement, and precision filters).
- What is the significance of the MSL1 rating for the ADA4077-4ARUZ-R7?
The MSL1 rating indicates that the device is compliant with the most stringent assembly processes, which is important for reducing internal system temperatures and ensuring reliability).
