The OPA1652AIDGKR is a Precision Operational Amplifier manufactured by Texas Instruments (TI). It belongs to the OPA1652 family of operational amplifiers, designed for low-noise, low-distortion applications. This IC is typically used in high-performance audio, instrumentation, and measurement systems.
Pinout and Pin Function Specification:
The OPA1652AIDGKR comes in a 14-pin TSSOP (Thin Shrink Small Outline Package). Below is a detailed description of each pin's function in the OPA1652AIDGKR.
OPA1652AIDGKR Pin Function List:
Pin Number Pin Name Pin Function Description 1 V- Negative supply voltage input. Connect to the negative power rail (e.g., -5V). 2 In- Inverting input. The signal is applied to this pin in the inverting amplifier configuration. 3 Out Output of the operational amplifier. The amplified signal is available here. 4 V+ Positive supply voltage input. Connect to the positive power rail (e.g., +5V). 5 NC No connection. This pin is not connected internally and can be left floating. 6 In+ Non-inverting input. The signal is applied to this pin in the non-inverting amplifier configuration. 7 NC No connection. This pin is not connected internally and can be left floating. 8 NC No connection. This pin is not connected internally and can be left floating. 9 NC No connection. This pin is not connected internally and can be left floating. 10 NC No connection. This pin is not connected internally and can be left floating. 11 NC No connection. This pin is not connected internally and can be left floating. 12 NC No connection. This pin is not connected internally and can be left floating. 13 NC No connection. This pin is not connected internally and can be left floating. 14 NC No connection. This pin is not connected internally and can be left floating.Important Note: The OPA1652 is a dual op-amp. This description assumes you're referring to one half of the op-amp. If you need the full functionality of the device for both amplifiers, the second set of pins will follow the same conventions as the first.
Circuit Principle Instructions:
The OPA1652AIDGKR operates based on a class AB output stage and a precision voltage reference which ensures low distortion and high accuracy. It operates with rail-to-rail input and output, meaning the voltage levels can get very close to the supply rails, making it ideal for low-voltage operation.
Input Stage: The op-amp has a high input impedance, which means it draws very little current from the signal source. The inverting and non-inverting inputs are designed to handle differential signals effectively. Voltage Supply: It can operate with a single or dual supply configuration. The power supply pins (V+ and V-) should be connected to a symmetric supply (e.g., ±5V, ±12V) or a single supply (e.g., +5V to ground). Output Stage: The output is capable of driving both low and high impedance loads, making it versatile for various applications, including precision signal processing and active filtering. Feedback: The operational amplifier’s feedback network sets the gain of the circuit. The OPA1652 supports wide bandwidth with low distortion in applications requiring precise and accurate signal amplification.20 Frequently Asked Questions (FAQ) for OPA1652AIDGKR:
Q: What is the supply voltage range for the OPA1652AIDGKR? A: The OPA1652AIDGKR can operate with a supply voltage range of ±2.25V to ±18V or a single supply of 4.5V to 36V.
Q: What is the recommended input voltage range for the OPA1652AIDGKR? A: The input voltage range should be within the supply voltage range, typically (V-) + 0.5V to (V+) - 0.5V.
Q: How many amplifiers are present in the OPA1652AIDGKR? A: The OPA1652AIDGKR contains two independent operational amplifiers in a single package.
Q: What is the typical output drive capability of the OPA1652AIDGKR? A: The output can drive 10 kΩ load to within ±10V of the supply rails.
Q: Does the OPA1652AIDGKR support rail-to-rail operation? A: Yes, it supports rail-to-rail input and output operation.
Q: Can the OPA1652AIDGKR be used in audio applications? A: Yes, the OPA1652AIDGKR is designed for high-fidelity audio applications due to its low noise and low distortion characteristics.
Q: What is the gain-bandwidth product of the OPA1652AIDGKR? A: The typical gain-bandwidth product of the OPA1652AIDGKR is 8 MHz.
Q: What is the input offset voltage of the OPA1652AIDGKR? A: The input offset voltage is typically 25 µV (max 200 µV).
Q: Is the OPA1652AIDGKR internally compensated? A: Yes, the OPA1652AIDGKR is internally compensated, making it stable for closed-loop operation.
Q: What is the maximum output current of the OPA1652AIDGKR? A: The OPA1652AIDGKR can source or sink up to 20 mA of output current.
Q: How is the OPA1652AIDGKR affected by temperature? A: The OPA1652AIDGKR has a low temperature drift of 0.03 µV/°C, which ensures stable performance over a wide temperature range.
Q: What is the typical input bias current for the OPA1652AIDGKR? A: The typical input bias current is 1 pA, making it ideal for high-impedance applications.
Q: What is the common-mode rejection ratio (CMRR) of the OPA1652AIDGKR? A: The OPA1652AIDGKR has a CMRR of 120 dB (typical), ensuring excellent rejection of common-mode signals.
Q: Can the OPA1652AIDGKR operate with a single power supply? A: Yes, the OPA1652AIDGKR is designed to operate with a single power supply ranging from 4.5V to 36V.
Q: What type of package is the OPA1652AIDGKR available in? A: The OPA1652AIDGKR is available in a 14-pin TSSOP package.
Q: Is the OPA1652AIDGKR suitable for high-precision instrumentation? A: Yes, the OPA1652AIDGKR is highly suitable for high-precision instrumentation due to its low offset voltage, low noise, and excellent linearity.
Q: What is the typical slew rate of the OPA1652AIDGKR? A: The typical slew rate of the OPA1652AIDGKR is 0.3 V/µs.
Q: Can the OPA1652AIDGKR be used in active filter designs? A: Yes, the OPA1652AIDGKR is suitable for active filter designs due to its high stability, low noise, and wide bandwidth.
Q: How can the OPA1652AIDGKR be protected from over-voltage? A: To protect the OPA1652AIDGKR from over-voltage, ensure the input voltages are within the specified range and use series resistors or diodes to clamp excessive input voltages.
Q: What is the power consumption of the OPA1652AIDGKR? A: The typical power consumption is very low, with a quiescent current of 1.3 mA per amplifier.
This detailed explanation provides the comprehensive specifications and circuit principles for the OPA1652AIDGKR op-amp. If you'd like further clarification or specific application guidance, feel free to ask!
