OPA145ID

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High precision - Low noise - Wide bandwidth - Low power consumption

Package: SOIC (Small Outline Integrated Circuit)

Essence: OPA145ID is a high-performance operational amplifier designed for various applications that require precision amplification.

Packaging/Quantity: OPA145ID is available in a standard SOIC package. Each package contains one unit of the IC.

Specifications

Supply Voltage Range: ±2.25V to ±18V
Input Offset Voltage: 150µV (maximum)
Input Bias Current: 1nA (maximum)
Gain Bandwidth Product: 10MHz
Slew Rate: 5V/µs
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

OPA145ID has a total of 8 pins, which are assigned specific functions as follows:

V+ (Positive Power Supply)
V- (Negative Power Supply)
Output
Inverting Input (-)
Non-Inverting Input (+)
NC (No Connection)
NC (No Connection)
VNC (Voltage Nulling Control)

Functional Features

High gain accuracy and stability
Low input offset voltage and bias current
Rail-to-rail output swing capability
Unity-gain stable
ESD protection on all pins

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide operating temperature range - Small form factor

Disadvantages: - Limited supply voltage range compared to some other models - Higher cost compared to basic operational amplifiers

Working Principles

OPA145ID operates based on the principles of operational amplifiers. It amplifies the difference between its two input voltages and produces an output voltage that is proportional to this difference. The IC utilizes a combination of internal circuitry and external feedback components to achieve the desired amplification characteristics.

Detailed Application Field Plans

OPA145ID finds applications in various fields, including but not limited to: - Precision instrumentation - Medical equipment - Audio amplification - Sensor signal conditioning - Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to OPA145ID are: - OPA140 - OPA141 - OPA142 - OPA143 - OPA144

These models offer similar functionality and performance characteristics, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPA145ID v technických řešeních

Sure! Here are 10 common questions and answers related to the application of OPA145ID in technical solutions:

Q: What is OPA145ID? A: OPA145ID is a high-speed operational amplifier (op-amp) designed for various technical applications.
Q: What is the voltage supply range for OPA145ID? A: The voltage supply range for OPA145ID is typically between ±2.25V and ±18V.
Q: What is the bandwidth of OPA145ID? A: OPA145ID has a bandwidth of typically 145 MHz, making it suitable for high-frequency applications.
Q: Can OPA145ID operate with a single power supply? A: Yes, OPA145ID can operate with a single power supply, as long as it is within the specified voltage range.
Q: What is the input offset voltage of OPA145ID? A: The input offset voltage of OPA145ID is typically very low, around 0.5 mV.
Q: Is OPA145ID suitable for precision applications? A: Yes, OPA145ID is suitable for precision applications due to its low input offset voltage and low noise characteristics.
Q: Can OPA145ID drive capacitive loads? A: Yes, OPA145ID can drive capacitive loads up to a certain limit, but it is recommended to use an external compensation capacitor for stability.
Q: What is the output current capability of OPA145ID? A: OPA145ID has a high output current capability, typically around 50 mA, allowing it to drive various loads.
Q: Does OPA145ID have thermal shutdown protection? A: No, OPA145ID does not have built-in thermal shutdown protection. External measures should be taken to prevent excessive heating.
Q: What are some typical applications of OPA145ID? A: OPA145ID is commonly used in audio amplifiers, active filters, data acquisition systems, and other high-speed signal processing applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for OPA145ID.