Overview
The MC1458PSR is a dual general-purpose operational amplifier produced by Texas Instruments. It is part of the MC1458 and MC1558 series, which are electrically similar to the µA741, but without offset null capability. These amplifiers are designed for a wide range of applications due to their high-common-mode input voltage range, absence of latch-up, and internal frequency compensation, ensuring stability without external components.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOP (PS) | |
| Pins | 8 | |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage (VCC±) | ±5 to ±15 | V |
| Differential Input Voltage (VID) | ±30 | V |
| Input Voltage (VI) | ±15 | V |
| Input Offset Voltage (VIO) | 1 to 6 | mV |
| Input Offset Current (IIO) | 20 to 200 | nA |
| Input Bias Current (IIB) | 80 to 500 | nA |
| Short-Circuit Output Current (IOS) | ±25 | mA |
| Supply Current (ICC) | 3.4 to 5.6 | mA |
| Total Power Dissipation (PD) | 100 to 170 | mW |
| Slew Rate at Unity Gain (SR) | 0.5 | V/μs |
| Rise Time (tr) | 0.3 | μs |
Key Features
- Short-Circuit Protection: The MC1458PSR is protected against short circuits, ensuring the device remains operational even in adverse conditions.
- Wide Common-Mode and Differential Voltage Ranges: The amplifier can handle 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.
- Low Power Consumption: The device operates with low power consumption, making it energy-efficient.
- No Latch-Up: The absence of latch-up ensures reliable operation in voltage-follower applications.
- Interchangeability: Designed to be interchangeable with Motorola MC1558/MC1458 and Signetics S5558/N5558.
Applications
The MC1458PSR is ideal for a variety of applications due to its general-purpose nature and robust features. Some common applications include:
- Voltage-Follower Applications: The high-common-mode input voltage range and absence of latch-up make it suitable for voltage-follower circuits.
- Audio and Instrumentation Amplifiers: Its low noise and high slew rate make it suitable for audio and instrumentation applications.
- Control Systems and Feedback Loops: The stability and reliability of the MC1458PSR make it a good choice for control systems and feedback loops.
- General Analog Circuits: It can be used in various general analog circuits requiring operational amplifiers.
Q & A
- What is the operating temperature range of the MC1458PSR?
The operating temperature range is from 0°C to 70°C.
- What is the supply voltage range for the MC1458PSR?
The supply voltage range is ±5 V to ±15 V.
- Does the MC1458PSR require external frequency compensation?
No, the MC1458PSR has internal frequency compensation and does not require external components for stability.
- What is the input offset voltage of the MC1458PSR?
The input offset voltage ranges from 1 mV to 6 mV.
- Is the MC1458PSR protected against short circuits?
- What is the slew rate of the MC1458PSR at unity gain?
The slew rate at unity gain is 0.5 V/μs.
- Can the MC1458PSR be used in high-temperature environments?
The MC1458PSR is rated for operation up to 70°C, but the MC1558 series can operate in a wider temperature range from -55°C to 125°C.
- Is the MC1458PSR interchangeable with other operational amplifiers?
- What is the typical supply current of the MC1458PSR?
The typical supply current is 3.4 mA to 5.6 mA.
- What are some common applications of the MC1458PSR?
