Overview
The OP2177ARZ-REEL, produced by Analog Devices Inc., is a high-precision, dual-channel operational amplifier. It is part of the OPx177 family, known for its extremely low offset voltage and drift, low input bias current, and low noise characteristics. This amplifier is designed for a wide range of applications requiring high precision and stability.
Key Specifications
| Parameter | Symbol | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 15 | 60 | 75 | 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 | 120 | 126 | dB | |
| Large Signal Voltage Gain | AVO | 1000 | 2000 | V/mV | |
| Offset Voltage Drift | ΔVOS/ΔT | 0.2 | 0.7 | μV/°C | |
| Output Voltage High | VOH | 4.1 | V | ||
| Output Voltage Low | VOL | -4.1 | V | ||
| Output Current | IOUT | ±10 | mA | ||
| Supply Current per Amplifier | ISY | 400 | 500 | 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 | ||
| Current Noise Density | in | 0.2 | pA/√Hz | ||
| Operating Temperature Range | -40 | 125 | °C | ||
| Package Style | 8-Lead SOIC-N |
Key Features
- Extremely low offset voltage (15 μV typical) and low offset voltage drift (0.2 μV/°C typical).
- Low input bias current (2 nA maximum).
- Low noise characteristics (0.4 μV p-p at 0.1 Hz to 10 Hz).
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 120 dB minimum.
- Internal 500 ohm series resistors protect the inputs, allowing input signal levels several volts beyond either supply without phase reversal.
- Stable with capacitive loads of over 1000 pF without external compensation.
- Dual supply operation from ±2.5 V to ±15 V, unity-gain stable.
- Operating temperature range of -40°C to +125°C.
Applications
- Wireless base station control circuits and optical network control circuits.
- Instrumentation, sensors, and controls, including thermocouples, RTDs, strain bridges, and shunt current measurements.
- Precision filters and other sensor signal conditioning applications.
- Line-powered and portable instrumentation.
Q & A
- What is the typical offset voltage of the OP2177ARZ-REEL? The typical offset voltage is 15 μV.
- What is the input bias current of the OP2177ARZ-REEL? The maximum input bias current is 2 nA.
- What is the common-mode rejection ratio (CMRR) of the OP2177ARZ-REEL? The CMRR is 120 dB minimum.
- What is the operating temperature range of the OP2177ARZ-REEL? The operating temperature range is -40°C to +125°C.
- What is the package style of the OP2177ARZ-REEL? The package style is 8-Lead SOIC-N.
- Is the OP2177ARZ-REEL stable with capacitive loads? Yes, it is stable with capacitive loads of over 1000 pF without external compensation.
- What are the typical supply current and voltage ranges for the OP2177ARZ-REEL? The typical supply current is 400 μA per amplifier, and the supply voltage range is ±2.5 V to ±15 V.
- What are some common applications of the OP2177ARZ-REEL? Common applications include wireless base station control circuits, optical network control circuits, instrumentation, sensors, and precision filters.
- Does the OP2177ARZ-REEL have internal input protection? Yes, it has internal 500 ohm series resistors that protect the inputs, allowing input signal levels several volts beyond either supply without phase reversal.
- What is the gain bandwidth product (GBP) of the OP2177ARZ-REEL? The GBP is 1.3 MHz.
