Overview
The OPA4990IPWR is a quad-channel, low-power operational amplifier manufactured by Texas Instruments. It is designed for high-voltage applications, offering rail-to-rail input and output capabilities. This model is part of the OPAx990 series, known for its excellent DC precision and AC performance. It is widely used in industrial, automotive, and consumer electronics due to its robust design and versatility.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | ||
| Total Supply Voltage (Max) | 40 | V | |
| Total Supply Voltage (Min) | 2.7 | V | |
| Gain Bandwidth Product (Typ) | 1.1 | MHz | |
| Slew Rate (Typ) | 4.5 | V/µs | |
| Input Offset Voltage (Max) | 1.5 | mV | |
| Quiescent Current per Channel (Typ) | 0.12 | mA | |
| Input Noise Voltage (Typ) | 30 | nV/√Hz | @1 kHz |
| Common Mode Rejection Ratio (Typ) | 115 | dB | |
| Operating Temperature Range | -40 to 125 | °C |
Key Features
- Rail-to-rail input and output for maximum dynamic range.
- Low offset voltage and drift for high DC precision.
- Low noise and high CMRR for improved signal integrity.
- High slew rate and bandwidth for fast signal processing.
- EMI-hardened design for robust performance in noisy environments.
Applications
The OPA4990IPWR is suitable for a wide range of applications, including:
- Industrial automation: Signal conditioning, motor control, and power management.
- Automotive electronics: Sensor interfaces and battery management systems.
- Consumer electronics: Audio amplifiers and portable devices.
- Test and measurement equipment: High-precision signal processing.
Q & A
1. What is the maximum supply voltage for the OPA4990IPWR?
The maximum supply voltage is 40V.
2. Does the OPA4990IPWR support rail-to-rail operation?
Yes, it supports rail-to-rail input and output.
3. What is the typical quiescent current per channel?
The typical quiescent current is 0.12 mA per channel.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
5. Is the OPA4990IPWR suitable for automotive applications?
Yes, it is designed for high-voltage automotive applications.
6. What is the gain bandwidth product of the OPA4990IPWR?
The gain bandwidth product is 1.1 MHz.
7. Does this amplifier have EMI hardening?
Yes, it features EMI-hardened design.
8. What is the input offset voltage?
The maximum input offset voltage is 1.5 mV.
9. Can the OPA4990IPWR be used in industrial automation?
Yes, it is suitable for industrial automation applications.
10. What is the slew rate of the OPA4990IPWR?
The slew rate is 4.5 V/µs.
