Overview
The ADA4077-4ARUZ-RL is a quad precision operational amplifier produced by Analog Devices Inc. This device is part of the ADA4077 series, which includes single, dual, and quad amplifier configurations. The ADA4077-4ARUZ-RL is known for its high precision, low offset voltage, and low drift, making it suitable for a wide range of applications requiring accurate signal amplification.
The amplifier features a wide gain bandwidth product, low noise, and high common-mode rejection ratio (CMRR), power supply rejection ratio (PSRR), and large signal voltage gain. It operates over a dual-supply voltage range of ±2.5 V to ±15 V and is unity gain stable. The device is packaged in a 14-pin TSSOP, which is surface mountable, and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | |
| Number of Circuits | 4 | |
| Slew Rate | 1.2 V/μs | |
| Gain Bandwidth Product | 3.9 MHz | |
| -3 dB Bandwidth | 5.9 MHz | |
| Input Bias Current | 1.5 nA | |
| Input Offset Voltage | 15 μV | |
| Supply Current per Amplifier | 400 μA | |
| Output Current per Channel | 10 mA | |
| Supply Voltage Range | ±2.5 V to ±15 V | |
| Operating Temperature | -40°C to 125°C | |
| Package/Case | 14-TSSOP | |
| Mounting Type | Surface Mount |
Key Features
- Extremely low offset voltage and drift (15 μV and 0.55 μV/°C for dual, 0.75 μV/°C for quad)
- Low input bias current (1.5 nA maximum at TA = 25°C)
- Low voltage noise density (6.9 nV/√Hz typical at f = 1000 Hz)
- High CMRR, PSRR, and AV (> 120 dB minimum)
- Low supply current (400 μA per amplifier typical)
- Wide gain bandwidth product (3.9 MHz at ±5 V)
- Dual-supply operation (±2.5 V to ±15 V)
- Unity gain stable
- No phase reversal
Applications
- Process control front-end amplifiers
- Wireless base station control circuits
- Optical network control circuits
- Instrumentation: thermocouples, RTDs, strain bridges, and shunt current measurements
- Precision filters
- Signal processing circuits
- Industrial automation solutions
Q & A
- What is the ADA4077-4ARUZ-RL used for?
The ADA4077-4ARUZ-RL is used for high-precision amplification in various applications such as process control, wireless base stations, optical networks, instrumentation, and precision filters.
- What is the slew rate of the ADA4077-4ARUZ-RL?
The slew rate of the ADA4077-4ARUZ-RL is 1.2 V/μs.
- What is the gain bandwidth product of the ADA4077-4ARUZ-RL?
The gain bandwidth product of the ADA4077-4ARUZ-RL is 3.9 MHz.
- What is the input offset voltage of the ADA4077-4ARUZ-RL?
The input offset voltage of the ADA4077-4ARUZ-RL is 15 μV.
- What is the supply current per amplifier for the ADA4077-4ARUZ-RL?
The supply current per amplifier for the ADA4077-4ARUZ-RL is 400 μA.
- What is the operating temperature range of the ADA4077-4ARUZ-RL?
The operating temperature range of the ADA4077-4ARUZ-RL is -40°C to 125°C.
- What is the package type of the ADA4077-4ARUZ-RL?
The ADA4077-4ARUZ-RL is packaged in a 14-pin TSSOP.
- Is the ADA4077-4ARUZ-RL suitable for dual-supply operation?
Yes, the ADA4077-4ARUZ-RL is suitable for dual-supply operation with a range of ±2.5 V to ±15 V.
- What are some common applications of the ADA4077-4ARUZ-RL in instrumentation?
The ADA4077-4ARUZ-RL is commonly used in instrumentation for thermocouples, RTDs, strain bridges, and shunt current measurements.
- Does the ADA4077-4ARUZ-RL have high CMRR and PSRR?
Yes, the ADA4077-4ARUZ-RL has high CMRR and PSRR, both greater than 120 dB.
