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LB1976
Brushless DC Motor Controller, 2.5A, PDIP28, 0.500 INCH, DIP-28
LB1976
Brushless DC Motor Controller, 2.5A, PDIP28, 0.500 INCH, DIP-28
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Service & Packaging
Service & Packaging
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LB1976 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
OverviewThe LB1976 is a three-phase brushless motor driver IC suited for use in direct PWM driving of DC fan motors for air conditioners, water heaters, and other similar equipment. Since a shunt regulator circuit is built in, single power supply operation sharing the same power supply for the motor is supported.Features• Withstand voltage 60 V, output current 2.5 A• Direct PWM drive output• 3 built-in output top-side diodes• Built-in current limiter• Built-in FG output circuit
Key Features
- Withstand voltage 60 V, output current 2.5 A
- Direct PWM drive output
- 3 built-in output top-side diodes
- Built-in current limiter
- Built-in FG output circuit
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Part Package Code | DIP |
| Pin Count ! | 28 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | BRUSHLESS DC MOTOR CONTROLLER | JESD-30 Code | R-PDIP-T28 |
| Length | 26.75 mm | Number of Functions | 1 |
| Number of Terminals | 28 | Operating Temperature-Max | 100 °C |
| Operating Temperature-Min | -20 °C | Output Current-Max | 2.5 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | HSDIP |
| Package Shape | RECTANGULAR | Package Style | IN-LINE, HEAT SINK/SLUG, SHRINK PITCH |
| Qualification Status ! | Not Qualified | Seated Height-Max | 4 mm |
| Supply Voltage-Max (Vsup) | 6.7 V | Supply Voltage-Min (Vsup) | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | Surface Mount ! | NO |
| Temperature Grade ! | OTHER | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 1.778 mm | Terminal Position | DUAL |
| Width | 12.7 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 LB1976?
The LB1976 is a dual low-noise operational amplifier designed by ON Semiconductor. It is suitable for applications requiring precision signal amplification, low noise performance, and wide bandwidth, such as audio amplifiers, instrumentation, and sensor interfaces.
How Does LB1976 Work?
The LB1976 operates as a dual operational amplifier with low input voltage noise and low distortion. It amplifies input signals with high accuracy and fidelity, making it suitable for audio and high-fidelity applications. The amplifier features a wide bandwidth and low total harmonic distortion, ensuring high-quality signal amplification.
How Many Pins does LB1976 have and What are the Functions of the Pinout Configuration?
The LB1976 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Negative power supply pin.
- IN1+: Non-inverting input for amplifier 1.
- IN1-: Inverting input for amplifier 1.
- OUT1: Output for amplifier 1.
- IN2+: Non-inverting input for amplifier 2.
- IN2-: Inverting input for amplifier 2.
- OUT2: Output for amplifier 2.
What are the Pros and Cons of LB1976?
Pros:
- Low Noise: Provides low input voltage noise for high-fidelity signal amplification.
- Wide Bandwidth: Suitable for high-frequency applications and audio amplification.
- Low Distortion: Ensures high-quality signal amplification with low total harmonic distortion.
- Dual Amplifiers: Dual operational amplifiers in a single package provide design flexibility and space efficiency.
- Low Power Consumption: Operates with low power, suitable for battery-powered systems.
Cons:
- Higher Cost: May have a higher cost compared to general-purpose operational amplifiers due to its low-noise and high-performance characteristics.
- External Components: May require additional external components for optimal performance in certain applications.
- SOIC Package: Surface-mount package may require appropriate soldering and handling techniques.
Are There Any Equivalents/Alternatives to LB1976 for Recommendation?
- The LM833N from Texas Instruments is an equivalent dual operational amplifier with similar characteristics.
- Alternatives to the LB1976 include the OPA2134 from Texas Instruments and the NE5532 from Texas Instruments.
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