LM1949N/NOPB

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LM1949N/NOPB

LM1949 INJECTOR DRIVE CONTROLLER

  • 제조업체National Semiconductor
  • Mfr.부분 #LM1949N/NOPB
  • 패키지
  • 데이터시트
  • 재고 있음807

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배송 준비 24 시간

365 일 보장

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사양

Part Status Active
Current - Supply 28mA
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Grade Automotive
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Base Product Number LM1949

개요

Description

The LM1949N/NOPB is a high-performance, video amplifier designed by Texas Instruments. It is primarily used for applications requiring wide bandwidth, low distortion, and high linearity in video signal processing. The device features a bandwidth of up to 30 MHz and a slew rate of 100 V/µs, making it suitable for handling high-frequency signals in television and video equipment.
This IC operates on a dual power supply, typically ranging from ±5V to ±15V, and supports a variety of input signal types. Its design includes features like low noise, high output drive capability, and thermal protection, ensuring reliability in demanding environments.
The "NOPB" suffix indicates that the device is lead-free, complying with RoHS standards, which is essential for environmentally friendly manufacturing practices. The LM1949N/NOPB is ideal for applications in video processing, signal conditioning, and broadcasting systems, where quality and fidelity of the video signal are paramount.

Features

The LM1949N/NOPB is a precision voltage reference and operational amplifier designed for various applications in electronics. Key features include:
1. High Precision: Offers a low output voltage drift and tight tolerance, ensuring reliable performance in precision applications.
2. Wide Supply Voltage Range: Operates across a broad supply voltage range, providing versatility in design.
3. Low Noise: Designed for low noise operation, making it suitable for sensitive applications.
4. Output Short-Circuit Protection: Incorporates protection against output short-circuits, enhancing reliability.
5. Temperature Stability: Features good temperature stability, ensuring consistent performance across varying temperatures.
6. Single-Supply Operation: Capable of operating from a single supply, simplifying design requirements.
7. Dual-In-Line Package (DIP): Available in a DIP package for easy integration into existing systems.
These features make the LM1949N/NOPB ideal for applications in instrumentation, data acquisition, and other precision measurement systems.

Package

The LM1949N/NOPB is packaged in a 14-pin dual-in-line package (DIP) configuration.

Pinout

The LM1949N/NOPB is a quad low-power voltage comparator with a total of 14 pins.
Pin Functions:
1. Pin 1 (Output 1): Comparator 1 output.
2. Pin 2 (Inverting Input 1): Inverting input for comparator 1.
3. Pin 3 (Non-Inverting Input 1): Non-inverting input for comparator 1.
4. Pin 4 (Output 2): Comparator 2 output.
5. Pin 5 (Inverting Input 2): Inverting input for comparator 2.
6. Pin 6 (Non-Inverting Input 2): Non-inverting input for comparator 2.
7. Pin 7 (Output 3): Comparator 3 output.
8. Pin 8 (Inverting Input 3): Inverting input for comparator 3.
9. Pin 9 (Non-Inverting Input 3): Non-inverting input for comparator 3.
10. Pin 10 (Output 4): Comparator 4 output.
11. Pin 11 (Inverting Input 4): Inverting input for comparator 4.
12. Pin 12 (Non-Inverting Input 4): Non-inverting input for comparator 4.
13. Pin 13 (V- or Ground): Negative supply voltage or ground.
14. Pin 14 (V+ or Power Supply): Positive supply voltage.
This device operates from a dual supply voltage and is designed for low-power applications.

Manufacturer

The LM1949N/NOPB is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions. The company is known for its innovation in integrated circuits, particularly in areas such as analog signal processing, microcontrollers, and digital signal processors. TI serves various industries, including automotive, industrial, consumer electronics, and communications, making it a key player in the global electronics market.

Application

The LM1949N/NOPB is a high-performance audio power amplifier designed for applications such as automotive audio systems, home theater systems, and portable audio devices. It is suitable for driving speakers or headphones, delivering high fidelity with low distortion. Additionally, it can be used in industrial audio applications and as a part of multimedia products requiring robust audio amplification.

Equivalent

The LM1949N/NOPB is a video amplifier designed for high-speed applications. Equivalent products include the LM1949, LT1207, and TDA7430. Additionally, consider the AD812, OPA2134, or THS7314, depending on specific requirements like bandwidth and power supply. Always verify specifications for compatibility and performance.

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