Overview
The OPA2347UA/2K5 is a versatile operational amplifier produced by Texas Instruments. This microPower, rail-to-rail operational amplifier is designed for high performance in a compact package. It is particularly suited for applications requiring low power consumption, such as portable or battery-powered devices. The amplifier features a wide input range that extends 200mV beyond the rails and an output range within 5mV of the rails, ensuring accurate signal input and output. With a maximum power consumption of only 34µA per channel, it offers an excellent speed/power ratio, making it ideal for various low-power applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of channels | 2 | |
| Total supply voltage (max) | 5.5 | V |
| Total supply voltage (min) | 2.3 | V |
| GBW (typ) | 0.35 | MHz |
| Slew rate (typ) | 0.17 | V/µs |
| Vos (offset voltage at 25°C) (max) | 6 | mV |
| Iq per channel (typ) | 0.02 | mA |
| Vn at 1 kHz (typ) | 60 | nV√Hz |
| Operating temperature range | -55 to 125 | °C |
| Offset drift (typ) | 3 | µV/°C |
| Input bias current (max) | 10 | pA |
| CMRR (typ) | 80 | dB |
| Iout (typ) | 0.017 | A |
| Architecture | CMOS | |
| Input common mode headroom (to negative supply) (typ) | -0.2 | V |
| Input common mode headroom (to positive supply) (typ) | 0.2 | V |
| Output swing headroom (to negative supply) (typ) | 0.005 | V |
| Output swing headroom (to positive supply) (typ) | -0.005 | V |
Key Features
- Low Power Consumption: Maximum power consumption of 34µA per channel, ideal for battery-powered devices.
- Rail-to-Rail Input/Output: Input range extends 200mV beyond the rails, and output range is within 5mV of the rails.
- High Speed/Power Ratio: Bandwidth of 350kHz and slew rate of 0.17V/µs.
- Compact Package: Available in SOIC-8 and other compact packages.
- Wide Operating Temperature Range: Specified for operation from -55°C to 125°C.
- Low Input Bias Current: Maximum input bias current of 10pA.
Applications
- Portable and Battery-Powered Devices: Ideal due to its low power consumption and compact size.
- Instrumentation and Measurement Equipment: Suitable for applications requiring high accuracy and low noise.
- Automotive and Industrial Systems: Can operate over a wide temperature range, making it suitable for harsh environments.
- Medical Devices: Low power and high precision make it suitable for medical equipment.
- Consumer Electronics: Used in various consumer electronics due to its low power and compact design.
Q & A
- What is the maximum power consumption of the OPA2347UA/2K5 per channel?
The maximum power consumption is 34µA per channel.
- What is the input range of the OPA2347UA/2K5?
The input range extends 200mV beyond the rails.
- What is the output range of the OPA2347UA/2K5?
The output range is within 5mV of the rails.
- What is the bandwidth of the OPA2347UA/2K5?
The bandwidth is 350kHz.
- What is the slew rate of the OPA2347UA/2K5?
The slew rate is 0.17V/µs.
- What is the operating temperature range of the OPA2347UA/2K5?
The operating temperature range is from -55°C to 125°C.
- What package types are available for the OPA2347UA/2K5?
It is available in SOIC-8 and other compact packages.
- Is the OPA2347UA/2K5 RoHS compliant?
- What are some typical applications of the OPA2347UA/2K5?
- What is the input bias current of the OPA2347UA/2K5?
