Overview
The OPA2137UA/2K5 is a general-purpose dual operational amplifier produced by Texas Instruments. This device is part of the OPA2137 series, known for its high performance and versatility in various applications. It features a FET-input architecture, which provides low input bias current and low noise, making it suitable for use in audio, medical equipment, and other sensitive applications. The amplifier is available in an 8-pin SOIC package and supports a wide range of supply voltages, from 4.5V to 36V and ±2.25V to ±18V for dual supplies.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Number of Channels | 2 | |
| Supply Voltage - Min | 4.5 | V |
| Supply Voltage - Max | 36 | V |
| Minimum Dual Supply Voltage | ±2.25 | V |
| Maximum Dual Supply Voltage | ±18 | V |
| GBP - Gain Bandwidth Product | 1 | MHz |
| SR - Slew Rate | 3.5 | V/µs |
| Vos - Input Offset Voltage | 10 | mV |
| Ib - Input Bias Current | 100 | pA |
| Operating Supply Current | 220 | µA |
| Output Current per Channel | 60 | mA |
| Minimum Operating Temperature | -40 | °C |
| Maximum Operating Temperature | +85 | °C |
| CMRR - Common Mode Rejection Ratio | 84 | dB |
| PSRR - Power Supply Rejection Ratio | 80.92 | dB |
Key Features
- FET-Input Architecture: Provides low input bias current (100 pA) and low noise, making it suitable for sensitive applications.
- Wide Supply Range: Supports single supplies from 4.5V to 36V and dual supplies from ±2.25V to ±18V.
- Low Quiescent Current: 220 µA per channel, which is beneficial for battery-powered or portable devices.
- High Slew Rate: 3.5 V/µs, ensuring fast response times.
- High Gain Bandwidth Product: 1 MHz, suitable for a variety of high-frequency applications.
- Low Input Offset Voltage: 10 mV, contributing to high accuracy in signal processing.
- Compact Packaging: Available in an 8-pin SOIC package, suitable for space-constrained designs.
Applications
The OPA2137UA/2K5 is versatile and can be used in a wide range of applications, including:
- Audio Equipment: Due to its low noise and distortion, it is ideal for audio amplification and processing.
- Medical Equipment: Suitable for medical devices requiring high precision and low noise.
- Portable and Battery-Powered Devices: Its low power consumption makes it a good choice for devices that need to be energy-efficient.
- Industrial Control Systems: Can be used in various industrial control and monitoring applications due to its robust specifications.
Q & A
- What is the input bias current of the OPA2137UA/2K5?
The input bias current is 100 pA. - What is the gain bandwidth product of the OPA2137UA/2K5?
The gain bandwidth product is 1 MHz. - What are the minimum and maximum supply voltages for the OPA2137UA/2K5?
The minimum supply voltage is 4.5V, and the maximum is 36V for single supplies. For dual supplies, the range is ±2.25V to ±18V. - What is the slew rate of the OPA2137UA/2K5?
The slew rate is 3.5 V/µs. - What is the common mode rejection ratio (CMRR) of the OPA2137UA/2K5?
The CMRR is 84 dB. - What is the power supply rejection ratio (PSRR) of the OPA2137UA/2K5?
The PSRR is 80.92 dB. - What are the operating temperature ranges for the OPA2137UA/2K5?
The operating temperature range is from -40°C to +85°C. - What is the output current per channel of the OPA2137UA/2K5?
The output current per channel is 60 mA. - Is the OPA2137UA/2K5 suitable for audio applications?
Yes, it is suitable for audio applications due to its low noise and distortion. - What package type is the OPA2137UA/2K5 available in?
The OPA2137UA/2K5 is available in an 8-pin SOIC package.
