The OPA2335AIDR is a precision operational amplifier produced by Texas Instruments (TI). It is part of the OPA series, specifically a low- Power , rail-to-rail input/output op-amp, designed for applications where low power consumption and high accuracy are required.
Package and Pinout Details:
The OPA2335AIDR comes in the SOT-23-5 package (a 5-pin package), which is a small-outline package. Here is the detailed explanation of the 5 pins for this specific model:
Pin Functions: Pin Number Pin Name Pin Description 1 V+ Positive Power Supply Input: This pin is connected to the positive voltage supply rail. It powers the internal circuitry of the operational amplifier. 2 V- Negative Power Supply Input: This pin is connected to the negative voltage supply rail. It powers the internal circuitry of the operational amplifier. 3 Output Output Pin: This is the output of the operational amplifier. The signal from the op-amp is driven out through this pin. 4 Inverting Input (–) Inverting Input: This is the input for the signal that will be inverted by the operational amplifier. It is part of the differential input configuration. 5 Non-inverting Input (+) Non-inverting Input: This is the input for the signal that will be amplified without inversion by the operational amplifier.Detailed Pin Function Description:
The OPA2335AIDR is a dual op-amp, so it has two amplifiers within the same package. These amplifiers can operate independently, with their pins assigned to the positive and negative supply, the inverting and non-inverting inputs, and the output pins. The SOT-23-5 package ensures the device is compact, making it suitable for applications with limited board space.
Function Overview: V+ (Pin 1): Connects to the positive power supply rail (e.g., +5V or +3.3V depending on the application). This pin powers the internal circuits of the operational amplifier. The voltage at this pin defines the upper voltage limit for the op-amp. V- (Pin 2): Connects to the negative power supply rail (e.g., ground or negative voltage depending on the application). Provides the necessary negative power to the op-amp's internal circuits. This pin defines the lower voltage limit for the op-amp. Output (Pin 3): The output pin is where the amplified signal is presented. The signal at this pin is determined by the differential voltage between the inverting and non-inverting inputs. It is a rail-to-rail output, meaning it can swing close to both the positive and negative supply rails, which is useful for many applications requiring maximum output range. Inverting Input (Pin 4): The inverting input is connected to the negative side of the differential input pair. When the voltage at this pin increases, the output signal will decrease (inverted). Non-inverting Input (Pin 5): The non-inverting input is connected to the positive side of the differential input pair. The output signal follows the voltage at this pin without inversion.Common Usage:
Precision measurement systems where accuracy and low offset are critical. Low-power devices requiring a small op-amp for signal amplification or filtering. Battery-operated devices due to its low quiescent current. Sensors or any application needing differential signal amplification.FAQ: Frequently Asked Questions
Q: What is the supply voltage range for the OPA2335AIDR? A: The OPA2335AIDR operates within a supply voltage range from 1.8V to 5.5V. Q: What is the input voltage range for the OPA2335AIDR? A: The input voltage range for the OPA2335AIDR is from V- (negative supply) to V+ (positive supply), and it is rail-to-rail, meaning it can handle voltages very close to the supply rails. Q: Can the OPA2335AIDR be used for single-supply operation? A: Yes, the OPA2335AIDR is suitable for single-supply operation, where it can operate with a single positive supply voltage and ground as the negative supply. Q: What is the output voltage swing of the OPA2335AIDR? A: The output voltage swing is rail-to-rail, meaning it can drive voltages from near the negative supply (V-) to near the positive supply (V+). Q: What is the quiescent current of the OPA2335AIDR? A: The OPA2335AIDR has a low quiescent current of about 8nA (nanoamps), making it ideal for low-power applications. Q: What is the maximum offset voltage for the OPA2335AIDR? A: The typical input offset voltage is 25µV, and the maximum is 50µV at 25°C, which ensures high accuracy in measurements. Q: What are the recommended temperature operating limits? A: The recommended operating temperature range is from -40°C to +125°C, which makes the OPA2335AIDR suitable for industrial and automotive applications. Q: Is the OPA2335AIDR designed for high-speed applications? A: The OPA2335AIDR is optimized for low power consumption and precision rather than high-speed applications. It is designed for low-bandwidth use cases. Q: How should the OPA2335AIDR be connected in a differential amplifier circuit? A: For a differential amplifier circuit, connect the input signals to the non-inverting and inverting inputs, respectively. The output will provide the difference between the two inputs, amplified.Q: What is the noise performance of the OPA2335AIDR?
A: The OPA2335AIDR has very low noise performance, with a typical noise density of 0.35nV/√Hz at 1kHz, which is ideal for precision applications.Q: How should I handle the power supply pins for optimal performance?
A: Ensure that V+ and V- are properly decoupled with capacitor s close to the power pins to minimize power supply noise affecting the op-amp performance.Q: Can I use the OPA2335AIDR in high-precision audio applications?
A: Yes, the OPA2335AIDR can be used in high-precision audio applications due to its low noise and low distortion characteristics.Q: What is the gain-bandwidth product of the OPA2335AIDR?
A: The OPA2335AIDR has a typical gain-bandwidth product of 0.1 MHz, suitable for low-frequency precision applications.Q: How does the OPA2335AIDR compare to other op-amps in terms of power consumption?
A: The OPA2335AIDR is optimized for very low power consumption, with a typical supply current of just 8µA, which is much lower than many standard op-amps.Q: Can the OPA2335AIDR be used for buffering signals?
A: Yes, the OPA2335AIDR can be used as a buffer amplifier in applications that require high input impedance and low output impedance.Q: What type of feedback network is suitable for the OPA2335AIDR?
A: The OPA2335AIDR works well with both negative and positive feedback networks, making it versatile for a range of circuit designs.Q: Is there a way to minimize input offset voltage in the OPA2335AIDR?
A: To minimize offset voltage, ensure that the circuit has proper layout practices, with good grounding and decoupling capacitors near the power pins.Q: How does the OPA2335AIDR perform in temperature-sensitive applications?
A: The OPA2335AIDR has excellent temperature stability, with a typical drift of only 0.01µV/°C, making it ideal for temperature-sensitive applications.Q: Can I use the OPA2335AIDR in automotive applications?
A: Yes, the OPA2335AIDR has an extended temperature range of -40°C to +125°C, making it suitable for automotive environments.Q: What is the power supply rejection ratio (PSRR) of the OPA2335AIDR?
A: The typical PSRR of the OPA2335AIDR is 110dB, ensuring that the op-amp maintains high accuracy even in the presence of power supply fluctuations.This detailed explanation should meet the requirements for understanding the OPA2335AIDR model, its pinout, and its functionality, as well as addressing some common questions for better clarity.