Overview
The OP270GP, produced by Analog Devices Inc., is a high-performance, monolithic, dual operational amplifier known for its exceptionally low voltage noise density. It offers comparable performance to the industry-standard OP27 from Analog Devices, making it a reliable choice for various precision applications. The OP270GP features low input offset voltage, minimal offset drift, and high open-loop gain, ensuring excellent gain accuracy and linearity even in high-gain applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 10 | 75 | 250 | μV |
| Input Offset Current (IOS) | 1 | 10 | 20 | nA |
| Input Bias Current (IB) | 5 | 20 | 60 | nA |
| Common-Mode Rejection Ratio (CMRR) | 106 | - | - | dB |
| Power Supply Rejection Ratio (PSRR) | - | - | 3.2 | μV/V |
| Gain-Bandwidth Product | - | 5 | - | MHz |
| Slew Rate | - | 2.4 | - | V/μs |
| Open-Loop Gain | 1,500,000 | - | - | V/mV |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- Very low voltage noise density of 5 nV/√Hz at 1 kHz maximum.
- Excellent input offset voltage of less than 75 μV and low offset drift of less than 1 μV/°C.
- Very high open-loop gain of more than 1,500,000 into a 10 kΩ load.
- Outstanding common-mode rejection ratio (CMRR) of greater than 106 dB.
- Low power consumption, one-third less than two OP27 devices.
- Unity-gain stable with a gain bandwidth product of 5 MHz and a slew rate of 2.4 V/μs.
- Industry-standard 8-lead dual pinout, compatible with MC1458, SE5532/A, RM4558, and HA5102 dual op amps.
Applications
- Precision instrumentation amplifiers.
- Low noise active filters.
- Dual buffers.
- Multiple gain blocks.
- Professional audio equipment.
- Transducer amplifiers.
- Low phase error amplifiers.
- Unity-gain buffer applications.
Q & A
- What is the typical voltage noise density of the OP270GP at 1 kHz?
The typical voltage noise density of the OP270GP at 1 kHz is 5 nV/√Hz maximum.
- What is the input offset voltage of the OP270GP?
The input offset voltage of the OP270GP is less than 75 μV.
- What is the common-mode rejection ratio (CMRR) of the OP270GP?
The CMRR of the OP270GP is greater than 106 dB.
- What is the gain-bandwidth product of the OP270GP?
The gain-bandwidth product of the OP270GP is 5 MHz typical.
- What is the slew rate of the OP270GP?
The slew rate of the OP270GP is 2.4 V/μs typical.
- Is the OP270GP unity-gain stable?
Yes, the OP270GP is unity-gain stable.
- What is the operating temperature range of the OP270GP?
The operating temperature range of the OP270GP is from -40°C to 85°C.
- What are some common applications of the OP270GP?
The OP270GP is commonly used in precision instrumentation amplifiers, low noise active filters, dual buffers, multiple gain blocks, professional audio equipment, and transducer amplifiers.
- Is the OP270GP pin-compatible with other op-amps?
Yes, the OP270GP is pin-compatible with the MC1458, SE5532/A, RM4558, and HA5102 dual op amps.
- What is the power consumption advantage of the OP270GP compared to two OP27 devices?
The power consumption of the dual OP270GP is one-third less than two OP27 devices.
