LM393 consists independent voltage comparators. These were designed sp
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LM393
LM393 consists independent voltage comparators. These were designed specifically operate from single power supply over wide range voltages. Operation from split power supplies also possible power supply current drain independent magnitude power supply voltage. outputs connected other open-collector outputs achieve wired-AND relationships.
Wide supply voltage range supply current drain independent supply voltage. input biasing current input offset current input offset voltage Input common-mode voltage range includes Differential input voltage range equal power supply voltage output saturation voltage Output voltage compatible with TTL, CMOS logic
Packag
Internal Block Digram
OUTPUT INVERTING INPUT NON-INVERTING INPUT
OUTPUT INVERTING INPUT NON-
VIEW
BEIJING ESTEK ELECTRONICS CO.,LTD
LM393
Electrical Characteristics
specified free-air temperature, (unless otherwise noted)
Symbol Parameter Test conditions* Input offset voltage 30V, VICR min, Vo=1.4 Vo=1.4 Full range Full range Input bias current Vo=1.4 Full range VICR Common-mode input voltage range** Full range Large-signal differential voltage amplification High-level output current Vo=1.4V 11.4 VOH=5 ID=1V, VOH= 30V, ID=1V Low-level output voltage VID=-1V Vcc-1.5 V/mV LM393 -250 -400 Units
Input offset current
Full range Full range
Low-level output current Supply current
VOL= 1.5V, VID=-1V
Full range
Full range (MIN MAX), LM393 characteristics measured with zero common-mode input voltage unless otherwise specified. voltage either input common-mode should allowed negative more than 0.3V. upper common mode voltage range -1.5V, either both inputs without damage.
Switching Charactristics
Vcc=5V, A=25
Parameter Response time connected through CL=15pF* (See Note Test conditions 100-mV input step with 5-mV overdrive TTL-level input step Units
includes probe capacitance. Note response time specified interval between input step function instant when output crosses 1.4V.
BEIJING ESTEK ELECTRONICS CO.,LTD
LM393
Typical Applications Circuit
Driving
Driving CMOS
Squarewave Oscillator
Basic Comparator
Pulse Generator
Crystal Controlled Oscillator
BEIJING ESTEK ELECTRONICS CO.,LTD
LM393
Ordering Information
RDERING LM393 ARKIN LM393
Address
Postalcode:100039 Tel: 86-010-58895780 Http://www.estek.com.cn Email:sales@estek.com.cn
6A06-6A07 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
010-58895793
No:01-060820
BEIJING ESTEK ELECTRONICS CO.,LTD
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