LM1881N/NOPBIn StockTexas Instruments
LM1881N/NOPB is a video sync separator extracting composite/vertical sync and burst gate from NTSC/PAL, DIP-8. From $1.19 at 10K+pcs. In stock, ships globally.
- Manufacturer
- Texas Instruments
- Package
- DIP-8
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM1881N/NOPB Datasheet PDF
- Category
- interface-ics
- Price
- From $2.0400(MOQ 1)
- Temp Range
- 0.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Extracts composite sync, vertical sync, and burst gate
- Odd/even field output for interlaced video
- Works with NTSC, PAL, and SECAM standards
- Single 5V supply with 850µA quiescent current
- DIP-8 through-hole for easy prototyping
Applications
Essential for video overlay systems, genlock circuits, retro gaming displays, CRT monitor interfaces, and any application needing to extract timing information from analog composite video signals.
Specifications
| YTEOL | 0 |
| Consumer IC Type | SYNC SEPARATOR IC |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | NOT APPLICABLE |
| Qualification Status | Not Qualified |
| Supply Current-Max | 12mA |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| ## LM1881N/NOPB Alternates Showing results | Image |
| Package | DIP-8 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM1881N/NOPB:
Frequently Asked Questions
What signals does LM1881 extract?
LM1881 extracts four timing signals from composite video: composite sync (all horizontal and vertical sync pulses), vertical sync (field-rate timing), burst/back-porch gate (for color burst sampling), and odd/even field identification for interlaced displays.
What input voltage level does LM1881 need?
LM1881 works with standard 1Vpp composite video through a 0.1µF coupling capacitor. It auto-adjusts to input amplitude via internal AGC. Input impedance is high enough to not load the video source. No external amplitude adjustment is needed.
Is LM1881 still relevant with digital video?
Yes, LM1881 remains popular in retro gaming (RGB SCART to component conversion), vintage video equipment restoration, security camera legacy systems, and hobbyist projects. It's the de facto standard sync separator IC with decades of proven reliability.
What power supply does LM1881 require?
LM1881 runs on a single 5V supply with only 850µA quiescent current. The only external components needed are a 0.1µF input coupling capacitor, a 100kΩ input resistor, and a 680pF timing capacitor. Total BOM is just 4 components including the IC.
Related Guides
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
Understanding the 2025 Chip Shortage: Which Components Are Affected and What to Do
Analysis of the current semiconductor supply landscape, which components face extended lead times, and strategies for engineers and procurement teams.
Apr 9, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.6900 | $3.69 |
| 3+ | $3.4313 | $10.29 |
| 8+ | $3.0195 | $24.16 |
| 9+ | $2.7060 | $24.35 |
| 1000+ | $2.1700 | $2170.00 |
| 10000+ | $2.0400 | $20400.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”