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LM1881MX/NOPB

Name: LM1881MX/NOPB
Rating: 4.7 (12 reviews)

IC VIDEO SYNC SEPARATOR 8SOIC

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Mfr。パート #LM1881MX/NOPB
パッケージ SOIC (D)-8
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Function	Separator
Applications	Professional Video
Standards	NTSC, PAL, SECAM
Voltage-Supply	5V ~ 12V
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

The LM1881MX/NOPB is a video sync separator integrated circuit produced by Texas Instruments. It is designed to extract horizontal and vertical synchronization signals from composite video signals, making it ideal for applications in video processing and display systems. The chip operates by detecting sync pulses and delivering them as separate output signals, which can be used in various video-related applications.
Key features include low power consumption, a wide operating voltage range, and the ability to handle input signals with a range of amplitudes. The LM1881 is particularly useful in systems where precise timing is essential, such as in video frame grabbing, telecine, and interlacing applications.
The device is packaged in a small, surface-mount format, making it suitable for space-constrained designs. Its robust performance and versatility make it a popular choice among engineers working on video electronics.

Features

The LM1881MX/NOPB is a video sync separator IC designed primarily for use in video processing applications. Key features include:
1. Separation of Sync Signals: It separates horizontal and vertical sync signals from composite video input.
2. Output Signals: Provides TTL-compatible outputs for horizontal (HSync) and vertical (VSync) synchronization.
3. Wide Input Voltage Range: Operates with a supply voltage range of 4.5V to 15V, making it versatile for various applications.
4. Low Power Consumption: Consumes low power, typically around 10 mA, which is suitable for battery-operated devices.
5. High Input Signal Range: Accepts standard composite video signals, typically 1V p-p.
6. Integrated Clamp Circuit: Includes an internal clamping circuit for stabilization of the output sync signals.
7. Robust Design: Offers good noise immunity and stability against variations in input signal amplitude.
Overall, the LM1881MX/NOPB is ideal for video processing systems requiring reliable sync signal extraction.

Package

The LM1881MX/NOPB is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The LM1881MX/NOPB is a video sync separator IC commonly used in video applications. It has a total of 8 pins.
Pin Functions:
1. VCC (Pin 1): Power supply input (typically +5V).
2. GND (Pin 2): Ground reference.
3. CVBS (Pin 3): Composite video input.
4. Sync Out (Pin 4): Output for horizontal sync pulse.
5. VSync (Pin 5): Output for vertical sync pulse.
6. HSync (Pin 6): Output for horizontal sync pulse.
7. BLANK (Pin 7): Output for the blanking signal.
8. AGC (Pin 8): Automatic gain control input for adjusting signal levels.
The LM1881 is widely used in video processing applications to extract synchronization signals from composite video signals.

Manufacturer

The LM1881MX/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including analog and embedded processing chips. Founded in 1930, TI operates in various sectors, including automotive, industrial, communications, and consumer electronics, and is known for its innovation in technology and its role in the development of integrated circuits. The company is headquartered in Dallas, Texas, and is a key player in the electronics industry, providing solutions for a variety of applications across multiple markets.

Application

The LM1881MX/NOPB is primarily used for video synchronization and separation applications. It generates horizontal and vertical sync signals from composite video inputs, making it suitable for video processing systems, television receivers, and video monitors. Additionally, it can be employed in video frame grabbers and other electronic devices that require precise timing and synchronization in video signals.

Equivalent

Equivalent products to the LM1881MX/NOPB, a video sync separator, include the following:
1. LM1881 (standard version)
2. MAX 848 (from Maxim Integrated)
3. AD8038 (from Analog Devices)
Always verify specifications and pin configurations to ensure compatibility for your specific application.