Overview
The OP4177ARU is a high-precision, low-noise operational amplifier from Analog Devices Inc. It is part of the OPx177 series, which is the fourth generation of the industry-standard OP07 amplifier family. This quad amplifier is known for its extremely low offset voltage and drift, low input bias current, low noise, and low power consumption. The OP4177ARU is available in a 14-lead TSSOP package and is suitable for a wide range of applications requiring high precision and stability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 15 | 75 | 120 | μV |
| Input Bias Current | IB | -2 | 0.5 | 2 | nA |
| Input Offset Current | IOS | -1 | 0.2 | 1 | nA |
| Input Voltage Range | -3.5 | 3.5 | V | ||
| Common-Mode Rejection Ratio | CMRR | 118 | 125 | dB | |
| Large Signal Voltage Gain | AVO | 1000 | 2000 | V/mV | |
| Offset Voltage Drift | ΔVOS/ΔT | 0.3 | 0.9 | μV/°C | |
| Output Voltage High | VOH | 4 | 4.1 | V | |
| Output Voltage Low | VOL | -4.1 | -4 | V | |
| Output Current | IOUT | ±10 | mA | ||
| Supply Current per Amplifier | ISY | 400 | 500 | 600 | μA |
| Slew Rate | SR | 0.7 | V/μs | ||
| Gain Bandwidth Product | GBP | 1.3 | MHz | ||
| Voltage Noise Density | en | 7.9-8.5 | nV/√Hz | ||
| Operating Temperature | -40 | 125 | °C | ||
| Supply Voltage Range | ±2.5 | ±15 | V |
Key Features
- High precision with extremely low offset voltage (15 μV to 75 μV) and drift (0.3 μV/°C to 0.9 μV/°C).
- Low input bias current (−2 nA to 2 nA) and low input offset current (−1 nA to 1 nA).
- Low noise performance with a voltage noise density of 7.9-8.5 nV/√Hz at 1 kHz.
- High common-mode rejection ratio (CMRR) of 118 dB to 125 dB.
- Stable operation with capacitive loads of over 1000 pF without external compensation.
- Low power consumption with a supply current per amplifier of 400 μA to 600 μA.
- Wide operating temperature range from -40°C to 125°C.
- Available in 14-lead TSSOP package.
Applications
- High-precision instrumentation and measurement systems.
- Medical devices requiring low noise and high accuracy.
- Aerospace and defense applications where stability and precision are critical.
- Industrial control systems and automation.
- Audio and video equipment where low noise and high fidelity are necessary.
Q & A
- What is the typical offset voltage of the OP4177ARU?
The typical offset voltage of the OP4177ARU is 75 μV.
- What is the input bias current range of the OP4177ARU?
The input bias current range is from -2 nA to 2 nA.
- What is the common-mode rejection ratio (CMRR) of the OP4177ARU?
The CMRR is between 118 dB and 125 dB.
- What is the slew rate of the OP4177ARU?
The slew rate is 0.7 V/μs.
- What is the gain bandwidth product (GBP) of the OP4177ARU?
The GBP is 1.3 MHz.
- What is the operating temperature range of the OP4177ARU?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the OP4177ARU?
The supply voltage range is from ±2.5 V to ±15 V.
- How much current does each amplifier in the OP4177ARU consume?
Each amplifier consumes between 400 μA and 600 μA.
- What package type is the OP4177ARU available in?
The OP4177ARU is available in a 14-lead TSSOP package.
- Is the OP4177ARU suitable for high-capacitive loads?
Yes, it is stable with capacitive loads of over 1000 pF without external compensation.
