Overview
The OP1177ARZ-REEL7 is a high-precision, single operational amplifier from Analog Devices Inc., part of the OPx177 family. This amplifier is known for its extremely low offset voltage and drift, making it suitable for demanding applications requiring high accuracy. The OP1177 is available in an 8-lead SOIC package and is fully specified for operation over a wide temperature range of −40°C to +125°C, making it ideal for various industrial and precision measurement environments.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | TA = 25°C | 15 | 60 | 60 | μV |
| Offset Voltage (−40°C < TA < +125°C) | VOS | −40°C < TA < +125°C | 25 | 100 | 100 | μV |
| Input Bias Current | IB | −40°C < TA < +125°C | −2 | 0.5 | 2 | nA |
| Input Offset Current | IOS | −40°C < TA < +125°C | −1 | 0.2 | 1 | nA |
| Input Voltage Range | VCM = −3.5 V to +3.5 V | −3.5 | 3.5 | V | ||
| Common-Mode Rejection Ratio | CMRR | VCM = −3.5 V to +3.5 V | 120 | 126 | 126 | dB |
| Large Signal Voltage Gain | AVO | RL = 2 kΩ, VO = −3.5 V to +3.5 V | 1000 | 2000 | 2000 | V/mV |
| Offset Voltage Drift | ΔVOS/ΔT | −40°C < TA < +125°C | 0.2 | 0.7 | 0.7 | μV/°C |
| Output Voltage High | VOH | IL = 1 mA, −40°C < TA < +125°C | 4 | 4.1 | 4.1 | V |
| Output Voltage Low | VOL | IL = 1 mA, −40°C < TA < +125°C | −4.1 | −4 | −4 | V |
| Output Current | IOUT | VDROPOUT < 1.2 V | ±10 | mA | ||
| Power Supply Rejection Ratio | PSRR | VS = ±2.5 V to ±15 V | 120 | 130 | 130 | dB |
| Supply Current per Amplifier | ISY | VO = 0 V | 400 | 500 | 500 | μA |
Key Features
- Extremely low offset voltage and drift, ensuring high precision in various applications.
- Wide specified temperature range of −40°C to +125°C, making it suitable for demanding operating environments.
- Available in compact 8-lead SOIC and MSOP packages, enhancing design flexibility.
- High common-mode rejection ratio (CMRR) of up to 126 dB, ensuring minimal interference from common-mode signals.
- Low input bias current and input offset current, contributing to high accuracy in measurements.
- High large signal voltage gain of up to 2000 V/mV.
- Low noise performance with a voltage noise density of 7.9 to 8.5 nV/√Hz at 1 kHz.
Applications
The OP1177ARZ-REEL7 is versatile and can be used in a variety of applications, including:
- Precision diode power measurement.
- Voltage and current level setting.
- High-precision instrumentation and measurement systems.
- Industrial control systems requiring high accuracy and reliability.
- Medical devices and diagnostic equipment where precision is critical.
Q & A
- What is the temperature range for the OP1177ARZ-REEL7? The OP1177ARZ-REEL7 is fully specified for operation from −40°C to +125°C.
- What is the typical offset voltage of the OP1177ARZ-REEL7 at 25°C? The typical offset voltage is 60 μV.
- What are the package options for the OP1177ARZ-REEL7? It is available in 8-lead SOIC and MSOP packages.
- What is the common-mode rejection ratio (CMRR) of the OP1177ARZ-REEL7? The CMRR is up to 126 dB.
- What is the input bias current range for the OP1177ARZ-REEL7? The input bias current range is −2 nA to +2 nA over the specified temperature range.
- What is the output current capability of the OP1177ARZ-REEL7? The output current is ±10 mA with VDROPOUT < 1.2 V.
- What are some typical applications for the OP1177ARZ-REEL7? Typical applications include precision diode power measurement, voltage and current level setting, and high-precision instrumentation.
- How does the OP1177ARZ-REEL7 perform in terms of noise? It has a low voltage noise density of 7.9 to 8.5 nV/√Hz at 1 kHz.
- What is the slew rate of the OP1177ARZ-REEL7? The slew rate is 0.7 V/μs.
- Is the OP1177ARZ-REEL7 suitable for high-voltage applications? Yes, it can operate with supply voltages up to ±15 V.
