LM1391 Phase-Locked Loop
February 1995
LM1391 Phase-Locked Loop
General Description
The LM1391 integrated circuit has ...
LM1391 Phase-Locked Loop
February 1995
LM1391 Phase-Locked Loop
General Description
The LM1391 integrated circuit has been designed primarily for use in the horizontal section of TV receivers but may find use in other low frequency signal processing applications It includes a stable VCO linear pulse phase detector and variable duty cycle output driver
Y Y Y Y Y
Features
Y Y
Y Y Y
Internal active
regulator for improved supply rejection Uncommitted collector of output
transistor
Output
transistor with low saturation and high voltage swing APC of the oscillator with a synchronizing signal DC controlled output duty cycle g 300 Hz typical pull-in Linear balanced phase detector Low thermal frequency drift Small static phase error Adjustable DC loop gain
Schematic Diagram
TL H 7889 – 1
( ) Pin 4 Base of Q16 (LM1391) for use with ( a ) flyback pulse
C1995 National Semiconductor Corporation
TL H 7889
RRD-B30M115 Printed in U S A
Absolute Maximum Ratings
If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Current Output Voltage Output Current Sync Input Voltage (Pin 3) 40 mADC 40 VDC 30 mADC 5 0 Vp-p Flyback Input Voltage (Pin 4) Power Dissipation (Package Limitation) Plastic Package (Note 1) Operating Temperature Range (Ambient) Storage Temperature Range Lead Temperature (Soldering 10 sec ) 5 0 Vp-p 1000 mW 0 C to a 70 C b 65 C to a 150 C 260 C
Electrical Chara...
