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MC1391P
The MC1391P is a bipolar operational amplifier chip designed for use in analog signal processing applicationsMC1391P
The MC1391P is a bipolar operational amplifier chip designed for use in analog signal processing applications
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MC1391P DataSheet
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Details
The MC1391P is a voltage regulator integrated circuit (IC) manufactured by Motorola. It is designed to provide a regulated output voltage of 5 volts with a maximum output current of 1 ampere. This IC utilizes a fixed voltage regulation mechanism, meaning the output voltage remains constant regardless of input voltage fluctuations or load variations. The MC1391P operates over a wide input voltage range, typically from 7 volts to 35 volts, making it suitable for a variety of applications requiring stable power supply voltages. It employs internal thermal shutdown and current limiting protection features to safeguard against overloads and overheating.With its compact package and simple design, the MC1391P is commonly used in electronic devices where a reliable and regulated power source is essential, such as in automotive, industrial, and consumer electronics applications. Its widespread availability and ease of use make it a popular choice among hobbyists and professionals alike for voltage regulation tasks
Key Features
- High-frequency, high-slew-rate amplifier
- Wide operating voltage range: ±15V
- Low supply current: 3.1mA
- Low input offset voltage: 50µV max
- 70MHz bandwidth
- 12V/µs slew rate
- Low input noise: 21nV/√Hz
- High output current: ±100mA
Application
- Industrial automation
- Temperature control systems
- Laboratory equipment
- Medical devices
- Consumer electronics
- Communications equipment
- Power management systems
- Automotive electronics
- Robotics
- Sensor networks
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Reach Compliance Code | HTS Code ! | 8542.39.00.01 | |
| Application | TV | Blanking Output | NO |
| Consumer IC Type | HORIZONTAL DEFLECTION IC | JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e0 | Length | 9.78 mm |
| Number of Functions | 1 | Number of Terminals | 8 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
| Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
| Package Shape | RECTANGULAR | Package Style | IN-LINE |
| Qualification Status ! | Not Qualified | Seated Height-Max | 4.45 mm |
| Supply Voltage-Max (Vsup) | 9.4 V | Supply Voltage-Min (Vsup) | 8 V |
| Surface Mount ! | NO | Technology | BIPOLAR |
| Temperature Grade ! | COMMERCIAL | Terminal Finish | TIN LEAD |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | DUAL | Width | 7.62 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is MC1391P?
The MC1391P is a quad operational amplifier integrated circuit (IC) manufactured by Texas Instruments. It is designed for a wide range of precision analog applications requiring multiple operational amplifiers in a single package. The IC is commonly used in audio amplifiers, active filters, and instrumentation amplifiers.
How Does MC1391P Work?
The MC1391P operates as a quad operational amplifier, allowing for the amplification of multiple input signals with high precision and stability. Each amplifier within the IC can be independently configured to suit specific application requirements. The IC features compatibility with a wide range of power supplies, making it versatile and suitable for various analog circuit designs.
How Many Pins does MC1391P have and What are the Functions of the Pinout Configuration?
The MC1391P is housed in a 14-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- VCC+: Positive power supply pin.
- VCC-: Negative power supply pin.
- IN1, IN2, IN3, IN4: Inverting and non-inverting input pins for each operational amplifier.
- OUT1, OUT2, OUT3, OUT4: Output pins for each operational amplifier.
- NC: No-connect pin (unused).
What are the Pros and Cons of MC1391P?
Pros:
- Multiple Amplifiers: Contains four independent operational amplifiers in a single IC, offering space and cost savings.
- Versatility: Can be used in a wide range of analog applications due to its multiple amplifiers and wide power supply compatibility.
- High Input Impedance: Provides high input impedance, making it suitable for sensor interfacing and other high-impedance input applications.
- DIP Package: The 14-pin DIP package allows for easy prototyping and breadboarding.
Cons:
- Limited Bandwidth: May have limited bandwidth compared to modern operational amplifiers.
- Power Consumption: Depending on the application, using multiple amplifiers in the IC may lead to higher power consumption.
- Noisy: May exhibit higher noise compared to newer amplifier designs.
Are There Any Equivalents/Alternatives to MC1391P for Recommendation?
- The LM324 from Texas Instruments is a similar quad operational amplifier with versatile applications.
- Alternatives to the MC1391P include the LM348 from Texas Instruments and the MCP6044 from Microchip Technology.
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