The part number you provided, "OPA4192IDR," refers to a precision operational amplifier manufactured by Texas Instruments. This specific device is part of their OPA400 series of low-noise, low-power op-amps.
Overview of OPA4192IDR:
Brand: Texas Instruments (TI) Part Number: OPA4192IDR Type: Operational Amplifier (Op-Amp) Functionality: Precision, low-noise, low-power Application: Used in signal conditioning, high-precision measurement, and sensor interface s, as well as general-purpose amplification tasks.Package Information:
Package Type: SOIC-8 (Small Outline Integrated Circuit) with 8 pins.Pinout Function of OPA4192IDR (SOIC-8 Package):
The OPA4192IDR is an 8-pin device. Below is a detailed description of the pin functions.
Pin Number Pin Name Function Description 1 V- Negative power supply. Connect to a negative voltage (typically ground or -Vcc). 2 -IN Inverting input of the operational amplifier. The signal is applied here for inverted amplification. 3 +IN Non-inverting input of the operational amplifier. The signal is applied here for non-inverted amplification. 4 V+ Positive power supply. Connect to a positive voltage (typically +Vcc). 5 Output Output of the operational amplifier. The amplified signal is available here. 6 NC (No Connection) No electrical connection; pin is not used for circuit functionality. 7 Offset Null Used to adjust the offset voltage of the operational amplifier (if necessary). 8 V- (Same as Pin 1) Negative power supply again, same as Pin 1 for proper layout consistency.Explanation of Each Pin's Function:
Pin 1 (V-): This pin is for the negative power supply. It is essential to properly connect this to the negative rail or ground to ensure proper functioning of the operational amplifier. If you are working in a dual-supply configuration, this would be connected to the negative voltage rail.
Pin 2 (-IN): The inverting input of the operational amplifier. The OPA4192 amplifies the difference between the voltage applied here and the voltage applied at the non-inverting input. For an inverting amplifier configuration, the signal is applied to this pin.
Pin 3 (+IN): The non-inverting input. The voltage applied to this pin is amplified in a non-inverting manner. The signal at the inverting input and this pin determines the output voltage based on the difference in voltage levels.
Pin 4 (V+): This is the positive power supply pin. It must be connected to the positive voltage supply, and it provides the necessary voltage for the op-amp to function. For a dual-supply configuration, this is connected to the positive voltage rail.
Pin 5 (Output): This is the output of the operational amplifier. It produces the amplified signal, based on the difference between the voltages at the non-inverting and inverting inputs.
Pin 6 (NC): This pin is not connected to any internal circuitry. It can either be left floating or tied to ground in certain configurations, but it has no impact on functionality.
Pin 7 (Offset Null): This pin allows for external trimming of the offset voltage of the operational amplifier. By adjusting the offset, the user can correct any small inherent imbalances between the inverting and non-inverting inputs.
Pin 8 (V-): This pin is identical in function to Pin 1, providing the negative power supply connection for the op-amp.
FAQ (Frequently Asked Questions) About OPA4192IDR:
1. Q: What is the power supply voltage range for OPA4192IDR?A: The OPA4192IDR operates with a supply voltage range of ±2.25V to ±18V (dual-supply) or 4.5V to 36V (single-supply).
2. Q: How does the offset null pin work on the OPA4192IDR?A: The offset null pin allows the user to trim the offset voltage by connecting a potentiometer between this pin and the negative power supply, adjusting the offset for improved accuracy.
3. Q: What is the typical input bias current for the OPA4192IDR?A: The typical input bias current is very low, at approximately 0.1nA, making it suitable for precision applications.
4. Q: What is the input impedance of the OPA4192IDR?A: The input impedance is typically 10MΩ, providing very high resistance at the input.
5. Q: Can the OPA4192IDR be used with a single supply voltage?A: Yes, the OPA4192IDR can be used with a single supply voltage from 4.5V to 36V, though it is more commonly used with dual-supply configurations for maximum performance.
6. Q: What is the output voltage range for OPA4192IDR?A: The output voltage range is typically from (V-) + 0.02V to (V+) - 0.02V, ensuring that it operates close to the power supply rails.
7. Q: How much power does the OPA4192IDR consume?A: The OPA4192IDR has a low quiescent current of approximately 50µA, making it ideal for battery-operated systems where power consumption is crucial.
8. Q: What is the common-mode rejection ratio (CMRR) for OPA4192IDR?A: The typical CMRR for the OPA4192IDR is 120dB, indicating excellent rejection of common-mode signals and high accuracy in differential measurements.
9. Q: What is the slew rate of the OPA4192IDR?A: The typical slew rate of the OPA4192IDR is 0.5V/µs, which is sufficient for low-speed signal applications but not ideal for very high-speed needs.
10. Q: Can the OPA4192IDR be used in high-precision instrumentation?A: Yes, the OPA4192IDR is designed for precision applications, including instrumentation, with low offset voltage, low noise, and high accuracy.
11. Q: What is the maximum input voltage range for OPA4192IDR?A: The input voltage range for the OPA4192IDR is from (V-) to (V+), meaning the input voltages must stay within the supply rails.
12. Q: Can I use the OPA4192IDR in a differential amplifier configuration?A: Yes, the OPA4192IDR is well-suited for differential amplifier configurations, thanks to its low offset voltage and excellent CMRR.
13. Q: What is the temperature range for the OPA4192IDR?A: The OPA4192IDR operates within a temperature range of -40°C to +125°C, making it suitable for both industrial and automotive applications.
14. Q: Is the OPA4192IDR available in other packages?A: Yes, the OPA4192 series is available in several different packages, including SOIC-8, MSOP-8, and others, to suit various application needs.
15. Q: Does the OPA4192IDR have rail-to-rail output?A: Yes, the OPA4192IDR features a rail-to-rail output, meaning it can drive output voltages very close to the supply rails.
16. Q: What is the total harmonic distortion (THD) of the OPA4192IDR?A: The total harmonic distortion (THD) for the OPA4192IDR is very low, typically less than 0.0001%, ensuring minimal distortion in high-fidelity applications.
17. Q: Can I use the OPA4192IDR in audio applications?A: Yes, the OPA4192IDR is suitable for audio applications, thanks to its low distortion, low noise, and high precision.
18. Q: Is the OPA4192IDR pinout compatible with other op-amps?A: The pinout is specific to the OPA4192IDR and similar devices from the OPA400 family. It is not universally compatible with all operational amplifiers, but it follows standard op-amp pin configurations.
19. Q: How does the OPA4192IDR handle overload conditions?A: The OPA4192IDR is designed with internal protection to handle overloads gracefully, with a high output current drive capability to manage temporary fault conditions.
20. Q: Can the OPA4192IDR be used in automotive applications?A: Yes, the OPA4192IDR is suitable for automotive applications, thanks to its wide temperature range and precision characteristics.
This provides a thorough explanation of the pin functions, specifications, and some common FAQs related to the OPA4192IDR.