Overview
The ADA4077-1ARZ-R7, produced by Analog Devices Inc., is a high-precision operational amplifier that belongs to the sixth generation of the industry-standard OP07 amplifier family. This single-channel amplifier is known for its extremely low offset voltage and drift, as well as its low input bias current, noise, and power consumption. It is designed to operate over an extended industrial temperature range of -40°C to +125°C, making it suitable for demanding operating environments. The ADA4077-1ARZ-R7 is available in 8-lead SOIC and 8-lead MSOP packages, ensuring compact size without compromising performance.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | T_A = 25°C | 50 | - | 90 | µV |
| Offset Voltage Drift | VOS/°C | T_A = 25°C | 0.55 | - | 1.2 | µV/°C |
| Input Bias Current | I_B | T_A = 25°C | - | - | 1 | nA |
| Voltage Noise Density | e_n | f = 1000 Hz | - | 6.9 | - | nV/√Hz |
| Gain Bandwidth Product | GBP | V_IN = 10 mV p-p, R_L = 2 kΩ, A_V = +100 | - | 3.9 | - | MHz |
| Slew Rate | SR | R_L = 2 kΩ | - | 1.2 | - | V/µs |
| Supply Current per Amplifier | I_SY | V_O = 0 V | 400 | 500 | 650 | µA |
| Operating Temperature Range | T_A | - | -40 | - | 125 | °C |
Key Features
- Extremely low offset voltage and drift, ensuring high precision in signal conditioning.
- Low input bias current and noise, making it suitable for sensitive applications.
- Low power consumption, with a typical supply current of 400 µA per amplifier.
- Wide gain bandwidth product of 3.9 MHz and a slew rate of 1.2 V/µs.
- Unity gain stable and no phase reversal, ensuring stable operation with capacitive loads up to 1000 pF without external compensation.
- High CMRR, PSRR, and AV (> 120 dB), providing excellent rejection of common-mode and power supply noise.
- MSL1 rated, compliant with the most stringent assembly processes.
Applications
- Process control front-end amplifiers.
- Optical network control circuits.
- Instrumentation, including precision sensors and controls.
- Sensor signal conditioning for thermocouples, RTDs, strain gauges, and shunt current measurements.
- Precision filters and voltage or current measurement and level setting.
- Line powered and portable instrumentation.
- Precision diode power measurement in optical and wireless transmission systems.
Q & A
- What is the operating temperature range of the ADA4077-1ARZ-R7?
The ADA4077-1ARZ-R7 operates over an extended industrial temperature range from -40°C to +125°C. - What are the key applications of the ADA4077-1ARZ-R7?
The ADA4077-1ARZ-R7 is used in process control front-end amplifiers, optical network control circuits, instrumentation, sensor signal conditioning, precision filters, and more. - What is the typical supply current per amplifier for the ADA4077-1ARZ-R7?
The typical supply current per amplifier is 400 µA. - Does the ADA4077-1ARZ-R7 require external compensation for capacitive loads?
No, the ADA4077-1ARZ-R7 is stable with capacitive loads of more than 1000 pF without external compensation. - What is the gain bandwidth product of the ADA4077-1ARZ-R7?
The gain bandwidth product is 3.9 MHz. - What is the slew rate of the ADA4077-1ARZ-R7?
The slew rate is 1.2 V/µs. - Is the ADA4077-1ARZ-R7 MSL1 rated?
Yes, the ADA4077-1ARZ-R7 is MSL1 rated, compliant with the most stringent assembly processes. - What are the package options for the ADA4077-1ARZ-R7?
The ADA4077-1ARZ-R7 is available in 8-lead SOIC and 8-lead MSOP packages. - How does the ADA4077-1ARZ-R7 perform in terms of noise and offset voltage?
The ADA4077-1ARZ-R7 features extremely low offset voltage (50 µV typical) and drift (0.55 µV/°C typical), as well as low voltage noise density (6.9 nV/√Hz typical at 1000 Hz). - What is the maximum input bias current of the ADA4077-1ARZ-R7?
The maximum input bias current is 1 nA at T_A = 25°C.
