Overview
The µA741CPS is a general-purpose operational amplifier produced by Texas Instruments. It has been a popular choice for over four decades due to its robust features and versatility. The device is characterized by its high common-mode input voltage range, absence of latch-up, and internal frequency compensation, which ensures stability without the need for external components. The µA741CPS is also short-circuit protected and features offset-voltage null capability, making it ideal for various applications including voltage-follower configurations.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | -18 | 18 | V | |
| Differential Input Voltage (VID) | -15 | 15 | V | |
| Input Voltage (VI) | -15 | 15 | V | |
| Operating Free-Air Temperature (TA) | 0 | 70 | °C | |
| Input Offset Voltage (VIO) | 1 | 6 | 7.5 | mV |
| Offset Voltage Adjust Range (ΔVIO(adj)) | ±15 | mV | ||
| Input Offset Current (IIO) | 20 | 200 | 300 | nA |
| Input Bias Current (IIB) | 80 | 500 | nA | |
| Common-Mode Input Voltage Range (VICR) | ±12 | ±13 | V | |
| Slew Rate | 0.5 | V/μs |
Key Features
- Short-Circuit Protection: The device is protected against short circuits, ensuring it can handle output short circuits to ground or either power supply.
- Offset-Voltage Null Capability: Allows for the adjustment of input offset voltage using external inputs, enhancing the accuracy of the amplifier.
- Large Common-Mode and Differential Voltage Ranges: Supports a wide range of input voltages, making it versatile for various applications.
- No Frequency Compensation Required: Internal frequency compensation ensures stability without the need for external components.
- No Latch-Up: The device does not latch up, providing reliable operation in different configurations.
Applications
- DVD Recorders and Players: Used in audio and video processing circuits due to its stability and accuracy.
- Pro Audio Mixers: Ideal for professional audio equipment where high-quality signal processing is required.
- Voltage-Follower Applications: The high common-mode input voltage range and absence of latch-up make it suitable for voltage-follower configurations.
Q & A
- What is the operating temperature range of the µA741CPS?
The operating temperature range is from 0°C to 70°C.
- What is the typical slew rate of the µA741CPS?
The typical slew rate is 0.5 V/μs.
- Does the µA741CPS require external frequency compensation?
No, it does not require external frequency compensation due to its internal frequency compensation.
- What is the input offset voltage range of the µA741CPS?
The input offset voltage range is typically 1 to 7.5 mV.
- Can the µA741CPS be used in single-supply or dual-supply configurations?
Yes, it can operate in both single-supply and dual-supply configurations.
- What is the common-mode input voltage range of the µA741CPS?
The common-mode input voltage range is ±12 to ±13 V.
- Is the µA741CPS protected against short circuits?
Yes, the device is protected against short circuits.
- How can the input offset voltage be adjusted in the µA741CPS?
The input offset voltage can be adjusted using a low-value potentiometer connected between the offset null inputs.
- What are some common applications of the µA741CPS?
Common applications include DVD recorders and players, pro audio mixers, and voltage-follower configurations.
- What is the package type of the µA741CPS?
The µA741CPS is available in SOIC (8-pin) packaging.
