LMC6772

Manufacturer Part NumberLMC6772
ManufacturerTexas Instruments
LMC6772 datasheet
 


Specifications of LMC6772

Number Of Channels2Vs(min)(v)2.7
Vs(max)(v)15Output TypeOpen Drain
Tresp Low - To - High(us)4Output Current(min)(ma)45
Input Bias Current (+/-)(max)(na)0.001Pin/package8PDIP, 8SOIC, 8VSSOP
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LMC6772
LMC6772/LMC6772Q Dual Micropower Rail-To-Rail Input CMOS Comparator with
Open Drain Output
Literature Number: SNOS749E

LMC6772 Summary of contents

  • Page 1

    ... LMC6772 LMC6772/LMC6772Q Dual Micropower Rail-To-Rail Input CMOS Comparator with Open Drain Output Literature Number: SNOS749E ...

  • Page 2

    ... Dual Micropower Rail-To-Rail Input CMOS Comparator with Open Drain Output General Description The LMC6772 is an ultra low power dual comparator with a maximum 10 μA/comparator power supply current de- signed to operate over a wide range of supply voltages, with a minimum supply voltage of 2.7V. The common mode voltage range of the LMC6772 exceeds both the positive and negative supply rails, a significant ad- vantage in single supply applications ...

  • Page 3

    ... Current at Input Pin (Note 8) Current at Output Pin (Note 3, Note 7) Current at Power Supply Pin, LMC6772 Lead Temperature (Soldering, 10 seconds) Storage Temperature Range Junction Temperature (Note 4) 2.7V Electrical Characteristics Unless otherwise specified, all limits guaranteed for T temperature extremes. Symbol Parameter V Input Offset Voltage ...

  • Page 4

    ... CMRR > −0 0 LOAD 15V 0 LOAD For Both Comparators 12 (Output Low 15V, Sinking 12V 45 O (Note 7) 3 − /2. Boldface limits apply CM LMC6772AI LMC6772BI LMC6772Q Limit Limit Limit (Note 6) (Note 6) (Note 5.2 5.2 5.2 5.0 5.0 5.0 −0.2 −0.2 −0.2 0.0 0.0 0.0 15.2 15.2 15.2 15.0 15.0 15.0 − ...

  • Page 5

    ... L , θ , and T . The maximum allowable power dissipation at any ambient temperature is J(MAX Package Marking Transport Media LMC6772BIN 40 Units/Rail 95 Units/Rail LMC6772AIM 2.5k Units Tape and Reel 95 Units/Rail LMC6772BIM 2.5k Units Tape and Reel 1k Units Tape and Reel C21 3.5k Units Tape and Reel ...

  • Page 6

    Typical Performance Characteristics Supply Current vs. Supply Voltage (Output High) Input Current vs. Common-Mode Voltage Input Current vs. Common-Mode Voltage 5V, Single Supply Supply Current vs. Supply Voltage (Output Low) 1234703 Input Current vs. Common-Mode ...

  • Page 7

    ΔV vs Δ Output Voltage vs. Output Current (Sinking) www.national.com = 2.7V S 1234709 Output Voltage vs. Output Current (Sinking) = 15V S 1234711 Output Voltage vs. Output Current ...

  • Page 8

    Output Short Circuit Current (Sinking) vs. Supply Voltage Response Time for Overdrive (t Response Time for Overdrive (t Leakage Current vs. Output Voltage 1234715 ) Response Time for Overdrive (t PLH 1234717 ) Response Time for Overdrive (t PLH 1234719 ...

  • Page 9

    ... Response Time for Overdrive (t Response Time vs. Capacitive Load LMC6772Q Supply Current vs. Supply Voltage (Output High) www.national.com ) Response Time for Overdrive (t PLH 1234721 1234723 Supply Current vs. Supply Voltage (Output Low) 1234733 8 ) PHL 1234722 1234734 ...

  • Page 10

    Output Voltage vs. Output Current (Sinking) Output Voltage vs. Output Current (Sinking) Output Leakage vs. Output Voltage Output Voltage vs. Output Current (Sinking) 1234735 Output Short Circuit Current vs. Supply 1234737 1234739 9 1234736 1234738 www.national.com ...

  • Page 11

    ... Application Information 1.0 INPUT COMMON-MODE VOLTAGE RANGE At supply voltages of 2.7V, 5V and 15V, the LMC6772 has an input common-mode voltage range which exceeds both sup- plies the case of operational amplifiers, CMVR is de- fined by the V shift of the comparator over the common- OS mode range of the device. A CMRR (ΔV (typical) implies a shift of < ...

  • Page 12

    ... Typical Applications UNIVERSAL LOGIC LEVEL SHIFTER The output of the LMC6772 is the uncommitted drain of the output NMOS transistor. Many drains can be tied together to provide an output OR'ing function. An output pullup resistor can be connected to any available power supply voltage with- in the permitted power supply range ...

  • Page 13

    ... This implies that the outputs of comparators 1, 2, and 3 are also at ground. When an input signal is applied, the out- put of comparator 4 swings high and C charges exponentially www.national.com Figure 8 shows the application of the LMC6772 in a square wave generator circuit. The total hysteresis of the loop is set and R ...

  • Page 14

    Physical Dimensions inches (millimeters) unless otherwise noted 8-Pin MDIP NS Package Number N08E 8-Pin SOIC NS Package Number M08A 13 www.national.com ...

  • Page 15

    MSOP NS Package Number MUA08A 14 ...

  • Page 16

    Notes 15 www.national.com ...

  • Page 17

    For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs ...

  • Page 18

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...