Overview
The OP747ARUZ is a precision quad rail-to-rail output operational amplifier (op-amp) produced by Analog Devices Inc. This device is designed for micropower operation, making it suitable for applications where low power consumption is critical. The OP747 features a single-supply configuration and offers rail-to-rail output ranges, ensuring maximum signal swing and minimizing distortion.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | +25°C < T_A < +85°C | 30 | 160 | μV | |
| Offset Voltage | VOS | –40°C < T_A < +85°C | 60 | 300 | μV | |
| Input Bias Current | IB | –40°C < T_A < +85°C | 5.5 | 11 | nA | |
| Input Offset Current | IOS | –40°C < T_A < +85°C | 0.1 | 2 | nA | |
| Input Voltage Range | 0 | 4 | V | |||
| Common-Mode Rejection Ratio | CMRR | V_CM = 0 V to 4 V | 104 | 110 | dB | |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, VO = 0.5 V to 4.5 V | 300 | 500 | V/mV | |
| Output Voltage High | VOH | IL = 1 mA, –40°C to +85°C | 4.88 | 4.91 | V | |
| Output Voltage Low | VOL | IL = 1 mA, –40°C to +85°C | 126 | 140 | mV | |
| Supply Current/Amplifier | ISY | VO = 0 V, –40°C < T_A < +85°C | 235 | 320 | μA | |
| Operating Temperature Range | –40 | +85 | °C |
Key Features
- Precision Quad Op-Amp: The OP747 is a quad operational amplifier, providing four independent op-amp circuits in a single package.
- Rail-to-Rail Output: Offers rail-to-rail output ranges, ensuring maximum signal swing and minimizing distortion.
- Micropower Operation: Designed for low power consumption, making it suitable for battery-powered and power-sensitive applications.
- Low Offset Voltage: Features low offset voltage and drift, ensuring high precision in various applications.
- High Common-Mode Rejection Ratio (CMRR): Provides a high CMRR, which is essential for rejecting common-mode signals and noise.
- Compact Packaging: Available in 14-lead TSSOP and narrow 14-lead SO packages, suitable for space-constrained designs.
Applications
- Battery-Powered Devices: Ideal for use in battery-powered devices due to its low power consumption.
- Portable Electronics: Suitable for portable electronics such as handheld instruments and mobile devices.
- Medical Devices: Can be used in medical devices where precision and low power are critical.
- Industrial Automation: Used in industrial automation for signal conditioning and amplification.
- Aerospace and Defense: Applicable in aerospace and defense systems where reliability and precision are paramount.
Q & A
- What is the primary application of the OP747 op-amp?
The OP747 is primarily used in applications requiring low power consumption and high precision, such as battery-powered devices, portable electronics, and medical devices.
- What is the operating temperature range of the OP747?
The operating temperature range of the OP747 is –40°C to +85°C.
- What is the typical supply current per amplifier for the OP747?
The typical supply current per amplifier for the OP747 is between 235 μA and 320 μA.
- What are the package options available for the OP747?
The OP747 is available in 14-lead TSSOP and narrow 14-lead SO packages.
- What is the common-mode rejection ratio (CMRR) of the OP747?
The CMRR of the OP747 is typically between 104 dB and 110 dB.
- What is the large signal voltage gain of the OP747?
The large signal voltage gain of the OP747 is typically between 300 V/mV and 500 V/mV.
- How many independent op-amp circuits does the OP747 provide?
The OP747 provides four independent op-amp circuits.
- What is the input voltage range for the OP747?
The input voltage range for the OP747 is from 0 V to 4 V.
- What is the output voltage high for the OP747?
The output voltage high for the OP747 is typically between 4.88 V and 4.91 V.
- Is the OP747 suitable for high-speed applications?
The OP747 is not specifically designed for high-speed applications but is suitable for general-purpose and precision applications.
