LM293 - LM393 LOW POWER DUAL VOLTAGE COMPARATORS WIDE SINGLE SUPPLY VOLTAGE RANGE OR DUAL SUPPLIES : +2V TO +36V OR ±V TO ±8V VERY LOW SUPPLY CURRENT (.4mA) INDEPENDENT OF SUPPLY VOLTAGE (mw/comparator at +) LOW INPUT BIAS CURRENT : 25nA TYP LOW INPUT OFFSET CURRENT : ±5nA TYP LOW INPUT OFFSET VOLTAGE : ±mv TYP INPUT COMMON-MODE VOLTAGE RANGE INCLUDES GROUND LOW OUTPUT SATURATION VOLTAGE : 25mV TYP. (Io = 4mA) DIFFERENTIAL INPUT VOLTAGE RANGE EQUAL TO THE SUPPLY VOLTAGE TTL, DTL, ECL, MOS, CMOS COMPATIBLE OUTPUTS DESCRIPTION These devices consist of two independent low voltage comparators designed specifically to operate from a single supply over a wide rangf voltages. Operation from split power supplies is also possible. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage. PIN CONNECTIONS (top view) ORDER CODE Part Number N DIP8 (Plastic Package) D SO8 (Plastic Micropackage) P TSSOP8 (Thin Shrink Small Outline Package) S Mini SO8 (Plastic Micropackage) Temperature Range Package N D P S -55 C, +25 C LM293-4 C, +5 C LM393 C, +7 C Example : LM393D N = Dual in Line Package (DIP) D = Small Outline Package (SO) - also available in Tape & Reel (DT) P = Thin Shrink Small Outline Package (TSSOP) - only available in Tape &Reel (PT) S = MiniSO Package (MiniSO) only available in Tape & Reel (ST) 8 2 3 4 - + - + 7 6 5 - Output 2 - Inverting input 3 - Non-inverting input 4 - V CC - 5 - Non-inverting input 2 6 - Inverting input 2 7 - Output 2 8 - V CC + July 22 /
-LM293-LM393 SCHEMATIC DIAGRAM ( ) V CC 3.5µA µa 3.5µA µa Non-inverting Input Inverting Input V CC V CC V O V CC ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V CC Supply voltage ±8 or 36 V V id Differential Input Voltage ±36 V V i Input Voltage -.3 to +36 V Output Short-circuit to Ground - note ) Infinite P d Power Dissipation 2) T stg Storage Temperature Range -65 to +5 C. Short-circuits from thutput to V + CC can cause excessive heating and eventual destruction. The maximum output current is approximately 2mA independent of the magnitudf V + CC. 2. Pd is calculated with T amb = +25 C, T j = +5 C and R thja = C/W for DIP8 package = 75 C/W for SO8 package = 2 C/W for TSSOP8 package = 25 C/W for Mini SO8 package OPERATING CONDITIONS DIP8 SO8 TSSOP8 Mini SO8 Symbol Parameter Value Unit V icm Common Mode Input Voltage Range + to V CC -.5 V T oper Operating Free-Air Temperature range LM293 LM393 25 7 625 58-55 to +25-4 to +25 to +7 mw C 2/
-LM293-LM393 ELECTRICAL CHARACTERISTICS V CC + = +, V CC - = V, T amb = +25 C (unless otherwise specified) Symbol Parameter Min Typ. Max. Unit V io Input Offset Voltage - note ) T amb = +25 C T min T amb T max 5 9 mv I ib Input Bias Current - note 2) T amb = +25 C T min T amb T max I io A vd I CC 25 25 4 Input Offset Current T amb = +25 C 5 5 T min T amb T max 5 Large Signal Voltage Gain V CC =, R L = 5kΩ, V o = V to V 5 2 V/mV Supply Current (all comparators) V CC =, no load V CC = 3V, no load V icm Input Common Mode Voltage Range - note 3) T amb = +25 C T min T amb T max V id Differential Input Voltage -note 4) Isink V OL I OH. At output switch point, V o.4v, R s = with V + CC from to 3V, and over the full common-mode range (V to V + CC -.). 2. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the statf the output, so no loading charge exists on the referencf input lines. 3. The input common-mode voltagf either input signal voltage should not be allowed to go negative by more than.3v. The upper end of the + common-mode voltage range is V CC -., but either or both inputs can go to +3V without damage 4. Positive excursions of input voltage may exceed the power supply level. As long as thther voltage remains within the common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than -.3V (or.3v bellow the negative power supply, if used). 5. The response time specified is for a mv input step with 5mV overdrive. For larger overdrive signals 3ns can bbtained.4 2.5 V + CC -.5 V + CC -2 Output Sink Currrent V id = V, V o =. 6 6 ma V CC + Low Level Output Voltage V id = -V, I sink = 4mA T amb = +25 C T min T amb T max 25 4 7 High Level Output Current (V id = V) V id = V, V CC = V o = 3V T amb = +25 C. T min T amb T max Response Time - note t 5) re + R L = 5.kΩ to V CC.3 µs Large Signal Response Time t rel V i = TTL, V (ref) = +.4V, R L = 5.kΩ to V + CC 3 ns na na ma V V mv na µa 3/
-LM293-LM393 SUPPLY CURRENT versus SUPPLY VOLTAGE INPUT CURRENT versus SUPPLY VOLTAGE SUPPLY CURRENT (ma).8.6.4.2 T amb= -55 C Tamb = C Tamb= +25 C Tamb =+7 C Tamb = +25 C R = INPUTCURRENT(nA) 8 6 4 2 V i= V 9 R = Ω i T amb = C T amb = +25 C T amb= +25 C T amb= -55 C T amb =+7 C 2 3 4 SUPPLY VOLTAGE (V) 2 3 4 SUPPLY VOLTAGE (V) OUTPUT SATURATION VOLTAGE versus OUTPUT CURRENT RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - NEGATIVE TRANSITION SATURATION VOLTAGE (V) Out of saturation T amb = +25 C - T amb= -55 C -2 T amb= +25 C -3-2 - 2 OUTPUT SINK CURRENT (ma) INPUT VOLTAGE (mv) OUTPUT VOLTAGE (V) 6 Input overdrive : 5mV 5 4 2mV e 3 I 2 mv -5 T amb= +25 C -.5.5 2 TIME (µs) 5.kΩ RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - POSITIVE TRANSITION INPUT VOLTAGE (mv) OUTPUT VOLTAGE (V) 6 5 4 3 2 5 Input overdrive : mv 2mV Tamb= +25 C 5mV e I 5.kΩ.5.5 2 TIME (µs) 4/
-LM293-LM393 TYPICAL APPICATIONS BASIC COMPARATOR DRIVING CMOS V CC = 5kΩ +V (ref) V O +V (ref) & -V (ref) -V (ref) DRIVING TTL LOW FREQUENCY OP AMP 5k +V (ref) -V (ref) k & & ~ e I k A = V.5 F LOW FREQUENCY OP AMP TRANSDUCER AMPLIFIER (= V for e I = V) 5k Magnetic pick-up k 3k ~ e I.5 F 2N 2222 eo 2M k A = V k 5/
-LM293-LM393 LOW FREQUENCY OP AMP WITH OFFSET ADJUST ZERO CROSSING DETECTOR (single power supply) R2 Offset Adjust M M Rs RI 5k e I ~ 2N 2222.5 F R k e I 5.k 5.k N448 2M 5.k eo k TWO-DECADE HIGH-FREQUENCY VCO V CC V CC Frequency control voltage input v control. F 5pF 3k 5.k. F 3k Output 5k 2k 2k V CC /2 Output 2 V CC =+3V +25mV V control +5V 7 Hz f khz o V CC /2 LIMIT COMPARATOR CRYSTAL CONTROLLED OSCILLATOR (2V) V CC = V CC V(ref) high 2RS RS k Lamp. F 2k 2k V CC e I ~ 2RS 2N 2222 2k f = khz V(ref) low 6/
-LM293-LM393 SPLIT-SUPPLY APPLICATIONS ZERO CROSSING DETECTOR COMPARATOR WITH A NEGATIVE REFERENCE 5.k 5.k e I ~ e I ~ 7/
-LM293-LM393 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Millimeters Inches Dimensions Min. Typ. Max. Min. Typ. Max. A 3.32.3 a.5.2 B.5.65.45.65 b.356.55.4.22 b.24.34.8.2 D.92.43 E 7.95 9.75.33.384 e 2.54. e3 7.62.3 e4 7.62.3 F 6.6 26 i 5.8.2 L 3.8 3.8.25.5 Z.52.6 8/
-LM293-LM393 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO) L C c a2 a3 A b s a b e3 E D M 8 5 F 4 Millimeters Inches Dimensions Min. Typ. Max. Min. Typ. Max. A.75.69 a..25.4. a2.65.65 a3.65.85.26.33 b.35.48.4.9 b.9.25.7. C.25.5..2 c 45 (typ.) D 4.8 5..89.97 E 5.8 6.2.228.244 e.27.5 e3 3.8.5 F 3.8 4..5.57 L.4.27.6.5 M.6.24 S 8 (max.) 9/
-LM293-LM393 PACKAGE MECHANICAL DATA 8 PINS - THIN SHRINK SMALL OUTLINE PACKAGE k c.25mm. inch GAGE PLANE L C L L L E SEATING PLANE A A2 A E D b 5 8 5 8 4 4 e PIN IDENTIFICATION Millimeters Inches Dimensions Min. Typ. Max. Min. Typ. Max. A.2.5 A.5.5..6 A2.8..5.3.39.4 b.9.3.7.5 c.9.2.3.2 D 2.9 3. 3..4.8.22 E 6.4.252 E 4.3 4.4 4.5.69.73.77 e.65.25 k 8 8 l.5.6.75.9.236.3 L.45.6.75.8.24.3 L..39 /
-LM293-LM393 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (miniso) k c,25mm.inch GAGEPLANE SEATING PLANE C A A2 A E D b C E L L 5 4 ccc 8 e PINIDENTIFICA TION Millimeters Inches Dimensions Min. Typ. Max. Min. Typ. Max. A..43 A.5..5.2.4.6 A2.78.86.94.3.34.37 b.25.33.4..3.6 c.3.8.23.5.7.9 D 2.9 3. 3..4.8.22 E 4.75 4.9 5.5.87.93.99 E 2.9 3. 3..4.8.22 e.65.26 L.4.55.7.6.22.28 L.95.37 k d 3d 6d d 3d 6d aaa..4 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of usf such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics / 22 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States http://www.st.com
This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.