Overview
The OP1177AR-REEL7 is part of the OPx177 family of high-precision operational amplifiers produced by Analog Devices Inc. This family represents the fourth generation of the industry-standard OP07 amplifier family. The OP1177 is a single-channel amplifier known for its extremely low offset voltage, low noise, and low power consumption, making it suitable for a wide range of precision applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 60 μV (max) | - |
| Offset Voltage Drift | 0.7 μV/°C (max) | -40°C < TA < +125°C |
| Input Bias Current | 2 nA (max) | -40°C < TA < +125°C |
| Noise Voltage Density | 8 nV/√Hz (typical) | f = 1 kHz |
| Common-Mode Rejection Ratio (CMRR) | 120 dB (min) | VCM = -13.5 V to +13.5 V |
| Power Supply Rejection Ratio (PSRR) | 120 dB (min) | VS = ±2.5 V to ±15 V |
| Supply Current per Amplifier | 400 μA (typical) | VO = 0 V |
| Operating Temperature Range | -40°C to +125°C | - |
| Output Voltage High | +14.1 V (typical) | IL = 1 mA |
| Output Voltage Low | -14.1 V (typical) | IL = 1 mA |
| Output Current | ±10 mA | VDROPOUT < 1.2 V |
Key Features
- High precision with very low offset voltage and drift.
- Low input bias current and low noise.
- Low power consumption with a supply current of 400 μA per amplifier.
- Dual supply operation from ±2.5 V to ±15 V.
- Unity-gain stable with no phase reversal.
- Internally protected inputs beyond supply voltage.
- Available in MSOP and SOIC packages, with specified performance identical across package types.
Applications
- Wireless base station control circuits.
- Optical network control circuits.
- Instrumentation and sensors.
- Thermocouples and resistor thermal detectors (RTDs).
- Strain bridges and shunt current measurements.
- Precision filters.
- Precision diode power measurement and voltage/current level setting.
Q & A
- What is the maximum offset voltage of the OP1177AR-REEL7?
The maximum offset voltage is 60 μV. - What is the typical noise voltage density of the OP1177AR-REEL7?
The typical noise voltage density is 8 nV/√Hz at f = 1 kHz. - What is the operating temperature range of the OP1177AR-REEL7?
The operating temperature range is -40°C to +125°C. - What are the typical output voltage ranges for the OP1177AR-REEL7?
The typical output voltage ranges are +14.1 V and -14.1 V with IL = 1 mA. - What is the supply current per amplifier for the OP1177AR-REEL7?
The supply current per amplifier is typically 400 μA with VO = 0 V. - What are some common applications of the OP1177AR-REEL7?
Common applications include wireless base station control circuits, optical network control circuits, instrumentation, and precision measurements. - What package types are available for the OP1177AR-REEL7?
The OP1177AR-REEL7 is available in MSOP and SOIC packages. - Is the OP1177AR-REEL7 unity-gain stable?
Yes, the OP1177AR-REEL7 is unity-gain stable with no phase reversal. - What is the common-mode rejection ratio (CMRR) of the OP1177AR-REEL7?
The CMRR is a minimum of 120 dB. - What is the power supply rejection ratio (PSRR) of the OP1177AR-REEL7?
The PSRR is a minimum of 120 dB.
