Overview
The OP4177ARZ is a high precision, low noise operational amplifier from Analog Devices Inc., part of the OPx177 family. This quad amplifier is known for its extremely low offset voltage and very low input bias currents, making it suitable for a wide range of precision applications. The OP4177ARZ is available in TSSOP and 14-lead narrow SOIC packages, offering identical performance across these packages. It is fully specified for operation from −40°C to +125°C, making it ideal for demanding operating environments.
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 | -13.5 | 13.5 | V | ||
| Common-Mode Rejection Ratio | CMRR | 118 | 125 | dB | |
| Large Signal Voltage Gain | AVO | 1000 | 3000 | V/mV | |
| Output Voltage High | VOH | 14 | 14.1 | V | |
| Output Voltage Low | VOL | -14.1 | -14 | 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 |
Key Features
- Extremely low offset voltage and drift.
- Very low input bias currents.
- Wide input and output voltage range (−13.5 V to +13.5 V).
- High common-mode rejection ratio (CMRR) of up to 125 dB.
- Large signal voltage gain of up to 3000 V/mV.
- Low wideband noise and low voltage noise density.
- Freedom from phase inversion.
- Low power dissipation with supply current per amplifier as low as 400 μA.
- High slew rate of 0.7 V/μs and gain bandwidth product of 1.3 MHz.
- Available in TSSOP and 14-lead narrow SOIC packages.
Applications
- Precision diode power measurement.
- Voltage and current level setting.
- Level detection in optical and wireless transmission systems.
- Line-powered and portable instrumentation and controls.
- Thermocouple, RTD, and other precision sensor applications.
Q & A
- What is the operating temperature range of the OP4177ARZ?
The OP4177ARZ is fully specified for operation from −40°C to +125°C.
- What are the typical offset voltage and drift for the OP4177ARZ?
The typical offset voltage is 75 μV, and the offset voltage drift is 0.3 to 0.9 μV/°C.
- What is the input bias current of the OP4177ARZ?
The input bias current is typically 0.5 nA with a range of -2 to 2 nA.
- What is the common-mode rejection ratio (CMRR) of the OP4177ARZ?
The CMRR is up to 125 dB.
- What is the output voltage range of the OP4177ARZ?
The output voltage range is from -14.1 V to +14.1 V.
- What is the slew rate of the OP4177ARZ?
The slew rate is 0.7 V/μs.
- What is the gain bandwidth product of the OP4177ARZ?
The gain bandwidth product is 1.3 MHz.
- What are the typical noise characteristics of the OP4177ARZ?
The voltage noise density is typically 7.9-8.5 nV/√Hz.
- In what packages is the OP4177ARZ available?
The OP4177ARZ is available in TSSOP and 14-lead narrow SOIC packages.
- What are some common applications of the OP4177ARZ?
Common applications include precision diode power measurement, voltage and current level setting, and level detection in optical and wireless transmission systems.
