Overview
The OPA4189IPWR, manufactured by Texas Instruments, is a high-precision operational amplifier designed for applications requiring ultra-low noise, fast settling, and zero-drift performance. This quad-channel amplifier offers rail-to-rail output operation, making it suitable for precision instrumentation, signal measurement, and active filtering applications. Its unique mux-friendly architecture and controlled start-up system enhance performance in multi-channel systems while providing robust ESD protection during handling and assembly. The OPA4189IPWR is available in a TSSOP-14 package and operates over a temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | - | Quad-channel |
| Supply Voltage Range | 4.5 to 36 | V | Wide operating range |
| Offset Voltage (Max) | 0.003 | mV | At 25°C |
| Gain Bandwidth Product | 14 | MHz | Typical |
| Slew Rate | 20 | V/µs | Typical |
| Offset Drift | 0.005 | µV/°C | Typical |
| Quiescent Current per Channel | 1.3 | mA | Typical |
| Input Noise Voltage | 5.2 | nV/√Hz | At 1 kHz |
| CMRR | 168 | dB | Typical |
| Operating Temperature Range | -40 to +125 | °C | Industrial grade |
Key Features
- Ultra-low noise and zero-drift performance for precision applications.
- Rail-to-rail output operation for maximum dynamic range.
- Mux-friendly input architecture prevents surge currents in multi-channel systems.
- Robust ESD protection during handling and assembly.
- Wide supply voltage range from 4.5V to 36V.
- Low offset voltage and drift ensure high DC accuracy.
Applications
The OPA4189IPWR is ideal for use in precision instrumentation, signal conditioning, and active filtering applications. Its high accuracy and low noise make it suitable for medical devices, test and measurement equipment, and industrial control systems. Additionally, its mux-friendly architecture enhances performance in data acquisition systems and multi-channel signal processing applications.
Q & A
What is the operating temperature range of the OPA4189IPWR?
The OPA4189IPWR operates over a temperature range of -40°C to +125°C.
What is the typical slew rate of the OPA4189IPWR?
The typical slew rate is 20 V/µs.
What is the supply voltage range for the OPA4189IPWR?
The supply voltage ranges from 4.5V to 36V.
Does the OPA4189IPWR support rail-to-rail output?
Yes, it supports rail-to-rail output operation.
What is the typical offset voltage of the OPA4189IPWR?
The typical offset voltage is 0.003 mV at 25°C.
Is the OPA4189IPWR suitable for multi-channel systems?
Yes, its mux-friendly architecture makes it ideal for multi-channel systems.
What is the gain bandwidth product of the OPA4189IPWR?
The gain bandwidth product is 14 MHz.
Does the OPA4189IPWR provide ESD protection?
Yes, it offers robust ESD protection during handling and assembly.
What is the typical quiescent current per channel?
The typical quiescent current per channel is 1.3 mA.
What are the key applications of the OPA4189IPWR?
Key applications include precision instrumentation, signal measurement, and active filtering.
