Low-power, dual-voltage comparators

1 Features Wide single-supply voltage range or dual supplies: 2 V to 36 V or 1 V to 18 V Very low supply current ( mA) independent of supply voltage (1 mW/comparator at 5 V) Low input bias current: 20 nA typ. Low input offset current: 3 nA typ. Low input offset voltage : 1 mV typ. Input common-mode voltage range includes ground Low output saturation voltage : 80 mV typ. (Isink = 4 mA) Differential input voltage range equal to the supply voltage TTL, DTL, ECL, MOS, CMOS compatible outputs Available in DFN8 2x2, MiniSO8, TSSOP8, and SO8 packages LM393W and LM393AW with internal ESD protection: 2 kV HBMD escriptionThe LM193, LM293, and LM393 devices consist of two independent low voltagecomparators designed specifically to operate from a single supply over a wide rangeof voltages.

2 Operation from split power supplies is also comparators also have a unique characteristic in that the input common-modevoltage range includes ground even though operated from a single power devices LM393W and LM393AW offer additional ESD robustness of 2 kV HBMon all 2x2 TSSOP8SO8 Low-power, dual-voltage comparatorsLM193, LM293 LM393, LM393 WDatasheetDS0443 - Rev 16 - August 2022 For further information contact your local STMicroelectronics sales diagramFigure 1. Schematic diagram (LM193, L293, LM393)Figure 2. Schematic diagram (LM393W)LM193, LM293, LM393, LM393 WSchematic diagramDS0443 - Rev 16page 2/182 Package pin connectionsFigure 3.

3 Pin connections (top view)123 Out1In1-In1+4 Vcc-876 Vcc+Out2In2-5In2+1. The exposed pad of the DFN8 2x2 can be left floating or connected to groundLM193, LM293, LM393, LM393 WPackage pin connectionsDS0443 - Rev 16page 3/183 Absolute maximum ratings and operating conditionsTable 1. Absolute maximum ratingsSymbolParameterValueUnitVCCS upply voltage 18 or 36 VVidDifferential input voltage LM193, LM293, LM393LM393W 36 Vcc- to Vcc+ + voltage LM193, LM293, to 36 Vcc- to Vcc+ + short-circuit to ground (1)InfiniteRthjaThermal resistance junction to ambient (2)DFN8 2x257 C/WMiniSO8190 TSSOP8120SO8125 RthjcThermal resistance junction to case (2)DFN8 2x2 MiniSO839 TSSOP837SO840 TjMaximum junction temperature150 CTstgStorage temperature range-65 to 150 ESD class (3)LM193, LM293, LM393 HBM: human body model (4)H1 BMM: machine model (5)M2 CDM: charged device model (6)C5 ESD classLM393 WHMB.

4 Human body model (7)MM: machine modelCDM: charged device mode (8)20002001500V 1. Short-circuits from the output to VCC+ can cause excessive heating and potential destruction. The maximum output current is approximately20 mA independent of the magnitude of VCC+.2. Short-circuits can cause excessive heating and destructive dissipation. Values are ESD class definition from AEC-Q100:4. HBM class H1B: ESD voltage level from 500 V to 1000 V5. MM class M2: ESD voltage level from 100 V to 200 V6. CDM class C5: ESD voltage level greater than 1500 JEDEC JESD22-A114F8. JEDEC JESD22-101F LM193, LM293, LM393, LM393 WAbsolute maximum ratings and operating conditionsDS0443 - Rev 16page 4/18 Table 2.

5 Operating conditionsSymbolParameterValueUnitVCCS upply voltage (VCC +) - (VCC -)2 to 36 VVicmCommon mode input voltage range (VCC + = 30 V)Tamb = 25 C0 to (VCC +) - Tamb Tmax0 to (VCC +) - 2 ToperOperating free-air temperature rangeLM193-55 to 125 CLM293, LM293A-40 to 105LM393, LM393A, LM393W0 to 70LM193, LM293, LM393, LM393 WAbsolute maximum ratings and operating conditionsDS0443 - Rev 16page 5/184 Electrical characteristicsTable 3. VCC + = 5 V, VCC - = 0 V, Tamb = 25 C (unless otherwise specified)SymbolParameterConditionLM293A , LM393 ALM193, LM293, LM393, offset voltage (1)1215mVTmin Tamb Tmax49 IioInput offset current325350nATmin Tamb Tmax100150 IibInput bias current (I+ or I-) (2)2010020250 Tmin Tamb Tmax300400 AvdLarge signal voltage gainVCC = 15 V, RL = 15 k ,Vo = 1 V to 11 V5020050200V/mVICCS upply current (all comparators )VCC = 5 V, no = 30 V, no input voltage (3)

6 VCC +VCC +VOLLow-level output voltageVid = -1 V, Isink = 4 mA8040080400mVTmin Tamb Tmax700700 IOHHigh-level output currentVCC = Vo = 30 V, Vid = 1 Tamb Tmax11 AIsinkOutput sink currentVid = 1 V, Vo = V618618mAtreResponse time (4)RL = k connected to VCC + strelLarge signal response timeRL = k connected to VCC +,el = TTL, V(ref) = V300300ns output switch point, Vo = V, Rs = 0 with VCC + from 5 V to 30 V, and over the full common-mode range (0 V to (VCC +) - V).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 state ofthe output, so no loading charge exists on the reference of input positive excursions of input voltage may exceed the power supply level.

7 As long as the other voltage remains within the common-moderange, the comparator will provide a proper output state. The low input voltage state must not be less than V (or V below thenegative power supply, if used).4. The response time specified is for a 100 mV input step with 5 mV overdrive. For larger overdrive signals, 300 ns can be obtained. LM193, LM293, LM393, LM393 WElectrical characteristicsDS0443 - Rev 16page 6/185 Electrical characteristic curvesFigure 4. Supply current vs. supply voltagemAFigure 5. Input current vs. supply voltageFigure 6. Output saturation voltage vs. output currentFigure 7. Response time for various input overdrives -negative transitionFigure 8.

8 Response time for various input overdrives - positive transitionLM193, LM293, LM393, LM393 WElectrical characteristic curvesDS0443 - Rev 16page 7/186 Typical applicationsFigure 9. Basic comparatorV= 5 VVO+V(ref)-V(ref)1/2LM193 CCFigure 10. Driving TTL5 V +V(ref)-V(ref)&&1/2LM193 Figure 11. Low-frequency op amp (1)5 V F eI A =100V~2N2222(e= 0V fore =0 V)Io1/2LM193 Figure 12. Driving CMOS5 V +V(ref)-V(ref)&1/2LM193 Figure 13. Low-frequency op amp (2)5 V F eI A =100V~1/2LM193 Figure 14. Transducer amplifier5 V10 k eo Magneticpick up 1/2LM1933 k LM193, LM293, LM393, LM393 WTypical applicationsDS0443 - Rev 16page 8/18 Figure 15.

9 Low-frequency op amp with offset adjusteI~2N22225 VeoR1 5 V OffsetadjustRsRI FR21/2LM193 Figure 16. Zero crossing detector (single power supply) 10keI 5 17. Limit comparator10keI~RS2 RSV(ref)high2 RSV(ref)low2N2222(12 V)VCCLamp1/2LM1931/2LM193 Figure 18. Crystal controlled comparator F f =100 kHzeo= 15 VVCCVCC0 1/2LM193 Figure 19. Split supply applications (zero crossingdetector)15 V eoeI~15 V1/2LM193 Figure 20. Comparator with a negative reference15 VeoeI~15 V5 V1/2LM193LM193, LM293, LM393, LM393 WTypical applicationsDS0443 - Rev 16page 9/18 Figure 21. Two-decade, high-frequency VCOVCCO utput1 Output2 VCC VCC/2 F500 pF F20 Frequency controlvoltage inputVcontrolVCC= +30 V+250 mVVcontrol+50 V700 Hzf100 kHzo 1/2LM1931/2LM1931/2LM193LM193, LM293, LM393, LM393 WTypical applicationsDS0443 - Rev 16page 10/187 Package informationIn order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages,depending on their level of environmental compliance.

10 ECOPACK specifications, grade definitions and productstatus are available at: ECOPACK is an ST 2 x 2 package informationFigure 22. DFN8 2 x 2 package outlineTable 4. DFN8 2 x 2 mechanical , LM293, LM393, LM393 WPackage informationDS0443 - Rev 16page 11/18 Figure 23. DFN8 2 x 2 recommended footprintLM193, LM293, LM393, LM393 WDFN8 2 x 2 package informationDS0443 - Rev 16page 12 package informationFigure 24. MiniSO8 package outlineTable 5. MiniSO8 package mechanical 8 0 8 , LM293, LM393, LM393 WMiniSO8 package informationDS0443 - Rev 16page 13 package informationFigure 25. TSSOP8 package outlinea a aTable 6. TSSOP8 package mechanical 8 0 8 , LM293, LM393, LM393 WTSSOP8 package informationDS0443 - Rev 16page 14 package informationFigure 26.