Overview
The µA741CP is a general-purpose operational amplifier produced by Texas Instruments. It is characterized by its high common-mode input voltage range, absence of latch-up, and internal frequency compensation, making it ideal for various analog applications. The device features short-circuit protection and offset-voltage null capability, which can be adjusted using a low-value potentiometer connected between the offset null inputs. The µA741CP is available in an 8-pin PDIP package and is specified for operation from 0°C to 70°C.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | -18 | 18 | V | ||
| Input Offset Voltage (VIO) | VO = 0, 25°C | 1 | 6 | 7.5 | mV |
| Offset Voltage Adjust Range (ΔVIO(adj)) | VO = 0, 25°C | ±15 | mV | ||
| Input Offset Current (IIO) | VO = 0, 25°C | 20 | 200 | 300 | nA |
| Input Bias Current (IIB) | VO = 0 | 80 | 500 | nA | |
| Common-Mode Input Voltage Range (VICR) | ±12 | ±13 | V | ||
| Maximum Peak Output Voltage Swing | RL = 2 kΩ, CL = 100 pF | -20 | 20 | V | |
| Slew Rate | 0.5 | V/μs |
Key Features
- Short-circuit protection
- Offset-voltage null capability
- Large common-mode and differential voltage ranges
- No frequency compensation required
- No latch-up
- Internal frequency compensation for stability without external components
- High common-mode input voltage range
Applications
- Voltage follower applications
- DVD recorders and players
- Pro audio mixers
- Integrators
- Summing amplifiers
- General feedback applications
Q & A
- What is the purpose of the UA741 amplifier? The UA741 is a high-performance monolithic operational amplifier intended for a wide range of analog applications, including integrators, summing amplifiers, and general feedback applications.
- Is the UA741 a rail-to-rail op-amp? No, the UA741 is not a rail-to-rail op-amp, meaning the output voltage will not reach the maximum positive or maximum negative voltage when saturated.
- Is the µA741 an offset voltage null amplifier? Yes, the µA741 device features offset-voltage null capability, allowing for the adjustment of the offset voltage using a low-value potentiometer.
- What is the operating temperature range of the UA741CP? The UA741CP is specified for operation from 0°C to 70°C.
- What is the slew rate of the µA741 device? The slew rate of the µA741 device is 0.5 V/μs.
- Does the UA741CP require external frequency compensation? No, the UA741CP has internal frequency compensation, ensuring stability without the need for external components.
- What is the common-mode input voltage range of the UA741CP? The common-mode input voltage range of the UA741CP is ±12 to ±13 V.
- How can the offset voltage be adjusted in the UA741CP? The offset voltage can be adjusted by connecting a low-value potentiometer between the offset null inputs.
- What type of protection does the UA741CP have? The UA741CP has short-circuit protection.
- What are some typical applications of the UA741CP? Typical applications include voltage follower applications, DVD recorders and players, pro audio mixers, and general feedback applications.
