OPA2192IDR Detailed explanation of pin function specifications and circuit principle instructions

The OPA2192IDR is a precision operational amplifier from Texas Instruments (TI). Below, I will provide detailed information about its pinout, the package, pin functions, and a comprehensive FAQ.

Package Type:

The OPA2192IDR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Pinout and Functions:

Here is a detailed table of the pin functions for the OPA2192IDR, based on its 8-pin SOIC package:

Pin Number Pin Name Pin Function Description 1 V+ Positive power supply pin for the operational amplifier. Typical voltage range: +2.7V to +36V. 2 IN- Inverting input of the operational amplifier. This pin connects to the negative side of the input signal. 3 IN+ Non-inverting input of the operational amplifier. This pin connects to the positive side of the input signal. 4 V- Negative power supply pin for the operational amplifier. Typical voltage range: -2.7V to -36V. 5 Output Output of the operational amplifier, where the processed signal is provided. It should be connected to the output load. 6 NC No connection. This pin is not internally connected and is not used. 7 NC No connection. This pin is not internally connected and is not used. 8 V- Negative power supply pin. Same function as Pin 4.

Functional Description:

The OPA2192 is a precision operational amplifier designed for low offset voltage, low bias current, and high power-supply rejection. It features rail-to-rail input and output, making it suitable for precision applications where signal integrity and power efficiency are essential.

The amplifier can be used in many applications, such as instrumentation amplifiers, active filters , precision signal conditioning, and any system requiring a low-offset op-amp with low-power consumption. The OPA2192 provides ultra-low input bias current, low input offset voltage, and is built to operate over a wide temperature range.

Pin Function FAQ:

Here are 20 frequently asked questions (FAQs) about the OPA2192IDR, answered in detail:

Q: What is the function of the V+ pin in the OPA2192IDR? A: The V+ pin (Pin 1) is the positive power supply input for the operational amplifier. It typically receives a voltage between +2.7V and +36V.

Q: How should the V- pin be connected in the OPA2192IDR? A: The V- pin (Pin 4) is the negative power supply input. It should be connected to a voltage source typically between -2.7V and -36V.

Q: What is the purpose of the IN+ pin in the OPA2192IDR? A: The IN+ pin (Pin 3) is the non-inverting input. It is used to input the positive side of the differential signal to the op-amp.

Q: What is the function of the IN- pin in the OPA2192IDR? A: The IN- pin (Pin 2) is the inverting input. It is used to input the negative side of the differential signal to the op-amp.

Q: How does the output pin of the OPA2192IDR work? A: The Output pin (Pin 5) provides the amplified output signal based on the differential input signals applied to IN+ and IN-.

Q: What are the NC pins in the OPA2192IDR? A: The NC pins (Pins 6 and 7) stand for "No Connection." These pins are not internally connected and are not used in the circuit.

Q: Can I use the OPA2192IDR with a single power supply? A: Yes, the OPA2192IDR can operate with a single power supply as long as the supply voltage is within the specified range (e.g., +2.7V to +36V for V+ and -2.7V to -36V for V-).

Q: What is the output voltage swing capability of the OPA2192IDR? A: The output voltage can swing from rail to rail, meaning it can go as close as the supply rails (V+ and V-) under ideal conditions.

Q: What are the main applications of the OPA2192IDR? A: It is commonly used in precision instrumentation amplifiers, active filters, and low-voltage, low-power systems requiring high accuracy and low offset voltage.

Q: What is the input offset voltage specification of the OPA2192IDR? A: The OPA2192IDR has a very low input offset voltage, typically around 25µV, which makes it ideal for precision applications.

Q: Can I connect the V+ and V- pins to the same supply? A: No, the V+ and V- pins should be connected to separate power supplies, with V+ being positive and V- being negative.

Q: What is the quiescent current of the OPA2192IDR? A: The OPA2192IDR has a low quiescent current of approximately 25µA, making it power-efficient for battery-operated applications.

Q: Is the OPA2192IDR a rail-to-rail op-amp? A: Yes, the OPA2192IDR is a rail-to-rail operational amplifier, meaning both its input and output can operate from rail to rail.

Q: What are the voltage supply limits for the OPA2192IDR? A: The recommended voltage supply range for the OPA2192IDR is +2.7V to +36V for V+ and -2.7V to -36V for V-.

Q: What is the maximum output current the OPA2192IDR can drive? A: The output current capability of the OPA2192IDR is typically 5mA, which is suitable for most low-power applications.

Q: Can I use the OPA2192IDR with a 5V power supply? A: Yes, the OPA2192IDR can operate with a 5V supply, provided the voltage difference between V+ and V- is within the operational range.

Q: How does the OPA2192IDR handle temperature variations? A: The OPA2192IDR has excellent performance over a wide temperature range from -40°C to +125°C, making it suitable for harsh environments.

Q: What is the input bias current for the OPA2192IDR? A: The input bias current is typically 1pA for the OPA2192IDR, making it ideal for precision applications where minimal current is required.

Q: Is the OPA2192IDR internally compensated? A: Yes, the OPA2192IDR is internally compensated for unity-gain stability, so external compensation is not required for most applications.

Q: How should I handle the NC pins? A: The NC pins should be left unconnected. Do not tie them to any signal or power, as they are not internally connected.

This explanation covers all the pins of the OPA2192IDR in detail and provides answers to 20 common questions. If you need further assistance or have more questions, feel free to ask!