Overview
The OP37GS8#PBF is a high-performance, low noise, precision operational amplifier produced by Analog Devices Inc. This device is renowned for its exceptional noise characteristics, making it ideal for a wide range of precision and high-speed applications. The OP37 features a wideband noise of only 3nV/√Hz and a 1/f noise corner at 2.7Hz, ensuring low noise performance across all frequency ranges, particularly in low-frequency instrumentation applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 10 | 25 | 100 | mV | |
| Input Offset Current | IOS | 7 | 35 | 75 | nA | |
| Input Bias Current | IB | ±10 | ±40 | ±80 | nA | |
| Input Noise Voltage Density | en | fO = 10 Hz | 3.5 | 5.5 | nV/√Hz | |
| Input Noise Voltage Density | en | fO = 1000 Hz | 3.0 | 3.8 | nV/√Hz | |
| Slew Rate | SR | RL ≥ 2kΩ | 17 | V/ms | ||
| Gain Bandwidth Product | GBW | fO = 10 kHz, VS = ±15 V, TA = 25°C | 63 | MHz | ||
| Common Mode Rejection Ratio | CMRR | VCM = ±10 V | 94 | 116 | dB | |
| Power Supply Rejection Ratio | PSRR | VS = ±4.5 V to ±18 V | 2 | 51 | mV/V |
Key Features
- Low Noise Performance: The OP37 boasts a wideband noise of only 3nV/√Hz and a 1/f noise corner at 2.7Hz, making it suitable for low-frequency instrumentation applications.
- High Speed: With a slew rate of 17 V/ms and a gain bandwidth product of 63 MHz, this amplifier is ideal for high-speed applications.
- Precision: It features low input offset voltage (10 mV to 100 mV) and low input offset current (7 nA to 75 nA), ensuring high precision in various circuits.
- High Common Mode Rejection Ratio (CMRR): The CMRR is as high as 116 dB, which is crucial for rejecting common-mode signals and maintaining signal integrity.
- High Power Supply Rejection Ratio (PSRR): The PSRR ranges from 2 mV/V to 51 mV/V, indicating good immunity to power supply noise.
Applications
- Low-Frequency Instrumentation: The OP37 is particularly suited for applications requiring low noise at low frequencies, such as in medical devices, audio equipment, and precision measurement instruments.
- High-Speed Data Acquisition: Its high slew rate and gain bandwidth product make it suitable for high-speed data acquisition systems.
- Audio Equipment: The low noise and high precision of the OP37 make it an excellent choice for audio preamplifiers and other audio processing circuits.
- Medical Devices: It is used in various medical devices where low noise and high precision are critical, such as in ECG and EEG machines.
Q & A
- What is the typical input noise voltage density of the OP37GS8#PBF?
The typical input noise voltage density of the OP37GS8#PBF is 3.5 nV/√Hz at 10 Hz and 3.0 nV/√Hz at 1000 Hz.
- What is the slew rate of the OP37GS8#PBF?
The slew rate of the OP37GS8#PBF is 17 V/ms.
- What is the gain bandwidth product of the OP37GS8#PBF?
The gain bandwidth product of the OP37GS8#PBF is 63 MHz.
- What is the common mode rejection ratio (CMRR) of the OP37GS8#PBF?
The CMRR of the OP37GS8#PBF is up to 116 dB.
- What is the power supply rejection ratio (PSRR) of the OP37GS8#PBF?
The PSRR of the OP37GS8#PBF ranges from 2 mV/V to 51 mV/V.
- What are the typical applications of the OP37GS8#PBF?
The OP37GS8#PBF is typically used in low-frequency instrumentation, high-speed data acquisition, audio equipment, and medical devices.
- What is the input offset voltage range of the OP37GS8#PBF?
The input offset voltage range of the OP37GS8#PBF is from 10 mV to 100 mV.
- What is the input bias current range of the OP37GS8#PBF?
The input bias current range of the OP37GS8#PBF is from ±10 nA to ±80 nA.
- Is the OP37GS8#PBF protected against electrostatic discharge (ESD)?
The OP37GS8#PBF is an ESD-sensitive device, and proper handling is required to prevent damage from electrostatic charges.
- What package types are available for the OP37GS8#PBF?
The OP37GS8#PBF is available in an 8-lead SOIC package.
