LM111/LM211/LM311
9.0 Typical Applications
(Pin numbers refer to H08 package)
(Continued)
10 Hz to 10 kHz Voltage Controlled Oscillator
00570415
*Adjust for symmetrical square wave time when V
IN
= 5 mV
†
Minimum capacitance 20 pF Maximum frequency 50 kHz
Driving Ground-Referred Load
Using Clamp Diodes to Improve Response
00570417
00570416
*Input polarity is reversed when using pin 1 as output.
TTL Interface with High Level Logic
00570418
*Values shown are for a 0 to 30V logic swing and a 15V threshold.
†
May be added to control speed and reduce susceptibility to noise spikes.
13
www.national.com
NSC [ NATIONAL SEMICONDUCTOR ]
