The model " LM224DR2G " is a quad operational amplifier manufactured by Texas Instruments (TI). This device belongs to the LM224 series of operational amplifiers.
Package Type:
The "LM224DR2G" is typically provided in a SOIC-14 (Small Outline Integrated Circuit) package, with 14 pins. These types of operational amplifiers are typically used in various analog signal processing applications.
Pin Function Specifications:
The LM224DR2G has a total of 14 pins. Here is a detailed explanation of the pinout and their respective functions:
Pin Number Pin Name Pin Function Description 1 Offset Null Used for offset voltage adjustment. Connect to a potentiometer for offset tuning. 2 Inverting Input A Inverting input for operational amplifier A. This is where the negative feedback goes. 3 Non-Inverting Input A Non-inverting input for operational amplifier A. This is where the input signal goes. 4 V- (Negative Supply) Negative Power supply pin. Connect to the lower supply rail in a dual-supply system. 5 Output A Output for operational amplifier A. This is the output signal of amplifier A. 6 Non-Inverting Input B Non-inverting input for operational amplifier B. 7 Inverting Input B Inverting input for operational amplifier B. 8 V+ (Positive Supply) Positive power supply pin. Connect to the higher supply rail in a dual-supply system. 9 Output B Output for operational amplifier B. 10 Non-Inverting Input C Non-inverting input for operational amplifier C. 11 Inverting Input C Inverting input for operational amplifier C. 12 Output C Output for operational amplifier C. 13 Non-Inverting Input D Non-inverting input for operational amplifier D. 14 Inverting Input D Inverting input for operational amplifier D.Detailed Pin Function Description:
Pin 1 - Offset Null: This pin is used to adjust the offset voltage. It is usually connected to a potentiometer for fine adjustment, allowing the user to reduce any inherent offset in the operational amplifier.
Pin 2 - Inverting Input A: This is the inverting input of Operational Amplifier A. When designing a circuit, this pin would typically be connected to the signal source or part of a feedback loop in the circuit.
Pin 3 - Non-Inverting Input A: The non-inverting input for Operational Amplifier A. A signal is applied to this pin if the amplifier is configured as a non-inverting amplifier.
Pin 4 - V- (Negative Power Supply): The negative supply voltage for the operational amplifier. This pin should be connected to the lower rail voltage in a dual-supply system, typically -Vcc.
Pin 5 - Output A: This pin provides the output signal from Operational Amplifier A. It carries the amplified signal depending on the configuration of the amplifier.
Pin 6 - Non-Inverting Input B: The non-inverting input for Operational Amplifier B. This pin is used when setting up non-inverting amplifier circuits.
Pin 7 - Inverting Input B: The inverting input for Operational Amplifier B. This pin connects to the signal input in an inverting amplifier configuration.
Pin 8 - V+ (Positive Power Supply): The positive supply voltage pin. This pin connects to the positive rail voltage in a dual-supply system, typically +Vcc.
Pin 9 - Output B: The output for Operational Amplifier B. The signal here is the result of the amplification process of the signal applied to the inputs.
Pin 10 - Non-Inverting Input C: The non-inverting input for Operational Amplifier C. In a non-inverting configuration, the input signal would be connected to this pin.
Pin 11 - Inverting Input C: The inverting input for Operational Amplifier C. This pin is used for inverting configurations where the signal is applied to this input.
Pin 12 - Output C: The output for Operational Amplifier C. The amplified output from the circuit will appear at this pin.
Pin 13 - Non-Inverting Input D: The non-inverting input for Operational Amplifier D. The signal input would be connected to this pin if a non-inverting amplifier configuration is used.
Pin 14 - Inverting Input D: The inverting input for Operational Amplifier D. This pin is used for inverting amplifier configurations.
20 FAQ (Frequently Asked Questions) for LM224DR2G:
Q1: What is the supply voltage range for LM224DR2G? A1: The supply voltage range for LM224DR2G is from ±3V to ±32V. Q2: How many amplifiers are there in the LM224DR2G? A2: The LM224DR2G contains four independent operational amplifiers. Q3: What is the input bias current of LM224DR2G? A3: The input bias current is typically 1nA at 25°C. Q4: What is the output voltage swing of LM224DR2G? A4: The output voltage swing is from (V-) + 1V to (V+) - 1V, depending on the load. Q5: What is the quiescent current for LM224DR2G? A5: The quiescent current is typically 1.3mA per amplifier. Q6: What is the typical open-loop gain of LM224DR2G? A6: The typical open-loop gain is 100dB. Q7: Can LM224DR2G be used in single-supply operation? A7: Yes, LM224DR2G can be used in single-supply operation as long as the supply voltage is within the specified range. Q8: What is the input voltage range for LM224DR2G? A8: The input voltage range is from (V-) + 2V to (V+) - 2V. Q9: What is the slew rate of LM224DR2G? A9: The typical slew rate is 0.3V/μs.Q10: Is LM224DR2G capable of rail-to-rail output?
A10: No, LM224DR2G does not have rail-to-rail output.Q11: What is the package type of LM224DR2G?
A11: The LM224DR2G comes in a 14-pin SOIC (Small Outline Integrated Circuit) package.Q12: How should the offset null pin (Pin 1) be used?
A12: Pin 1 is used for offset voltage adjustment, typically by connecting a potentiometer to it.Q13: What is the maximum input offset voltage for LM224DR2G?
A13: The typical input offset voltage is 7mV, with a maximum value of 15mV.Q14: What is the temperature range for LM224DR2G?
A14: The temperature range for LM224DR2G is from -40°C to +85°C.Q15: What is the output impedance of LM224DR2G?
A15: The output impedance is typically 75Ω.Q16: Can LM224DR2G be used in high-frequency applications?
A16: LM224DR2G is not ideal for high-frequency applications due to its lower slew rate and bandwidth.Q17: How can LM224DR2G be used in comparison circuits?
A17: LM224DR2G can be used as a comparator by configuring it with appropriate feedback components.Q18: What is the common-mode rejection ratio (CMRR) for LM224DR2G?
A18: The CMRR for LM224DR2G is typically 100dB.Q19: Is LM224DR2G suitable for precision analog circuits?
A19: Yes, LM224DR2G can be used in precision analog circuits but with limitations in offset voltage and noise.Q20: Can LM224DR2G be used in voltage followers?
A20: Yes, LM224DR2G can be used in voltage follower configurations by connecting the output to the inverting input.Let me know if you need further details or additional questions!
