Overview
The OP1177ARMZ-REEL is a precision, low noise, low input bias current operational amplifier produced by Analog Devices Inc. It is part of the OPx177 series, which represents the fourth generation of the industry-standard OP07 amplifier family. This amplifier is known for its superior performance, including low offset voltage, very low offset voltage drift, and low input bias current. It is designed to operate over a wide temperature range and is suitable for various applications requiring high precision and stability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 15 | - | 60 | 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 | 120 | - | 125 | dB |
| Large Signal Voltage Gain | AVO | 1000 | - | 3000 | V/mV |
| Offset Voltage Drift | ΔVOS/ΔT | 0.2 | - | 0.7 | μV/°C |
| Output Voltage High | VOH | 4 | - | 4.1 | V |
| Output Voltage Low | VOL | -4.1 | - | -4 | V |
| Output Current | IOUT | - | - | ±10 | mA |
| Power Supply Rejection Ratio | PSRR | 115 | - | 125 | dB |
| Supply Current per Amplifier | ISY | 400 | - | 500 | μA |
Key Features
- Low offset voltage: 60 μV maximum
- Very low offset voltage drift: 0.7 μV/°C maximum
- Low input bias current: 2 nA maximum
- Low noise: 8 nV/√Hz typical
- High CMRR, PSRR, and AVO: > 120 dB minimum
- Low supply current: 400 μA per amplifier
- Dual supply operation: ±2.5 V to ±15 V
- Unity-gain stable with no phase reversal
- Inputs internally protected beyond supply voltage
Applications
- Wireless base station control circuits
- Optical network control circuits
- Instrumentation and sensors (thermocouples, RTDs, strain bridges)
- Shunt current measurements
- Precision filters
- Line-powered and portable instrumentation and controls
Q & A
- What is the maximum offset voltage of the OP1177ARMZ-REEL? The maximum offset voltage is 60 μV.
- What is the typical input bias current of the OP1177ARMZ-REEL? The typical input bias current is 0.5 nA.
- What is the common-mode rejection ratio (CMRR) of the OP1177ARMZ-REEL? The CMRR is greater than 120 dB.
- What is the operating temperature range of the OP1177ARMZ-REEL? The operating temperature range is from -40°C to +125°C.
- What is the supply current per amplifier for the OP1177ARMZ-REEL? The supply current per amplifier is 400 μA to 500 μA.
- Is the OP1177ARMZ-REEL unity-gain stable? Yes, it is unity-gain stable.
- What are the typical applications of the OP1177ARMZ-REEL? Typical applications include wireless base station control circuits, optical network control circuits, instrumentation, and precision filters.
- What is the maximum output current of the OP1177ARMZ-REEL? The maximum output current is ±10 mA.
- Does the OP1177ARMZ-REEL have internal input protection? Yes, the inputs are internally protected beyond the supply voltage.
- What is the slew rate of the OP1177ARMZ-REEL? The slew rate is 0.7 V/μs.
