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LA 7851 Integrated Circuit 20Pin

ZAR 6.97 ZAR 6.06

In stock

SKU

INC-0386-C09

Description:

The LA7851 is a specialized CRT display synchronization deflection circuit IC developed by Sanyo. It was designed to handle both horizontal and vertical sync processing in CRT monitors and televisions, integrating many discrete components into a single chip to simplify design and improve performance.

Specifications:

Function: Sync deflection circuit for CRT displays
Horizontal Oscillator Frequency: Adjustable from 15 kHz to 100 kHz
Vertical Pull-in Range: ±20 Hz (supports 50/60 Hz sync without adjustment)
On-Chip Functions:
-Horizontal: AFC, oscillator, phase shifter, X-ray protection, pulse duty control
-Vertical: Oscillator, sawtooth generator, DC voltage control
-Input Compatibility: Accepts sync pulses of varying polarity and width
Output: Horizontal and vertical drive signals
Package: 20-pin DIP
Supply Voltage: Typically 12 V (operating range 9–13.5 V)
Operating Temperature: –20°C to +85°C