LTC6994-1/LTC6994-2 TimerBlox: Delay Block/ Debouncer FEATURES DESCRIPTION n Delay Range: 1s to 33.6 Seconds The LTC 6994 is a programmable delay block with a n Configured with 1 to 3 Resistors range of 1s to 33.6 seconds. The LTC6994 is part of n Delay Max Error: the TimerBlox family of versatile silicon timing devices. <2.3% for Delay > 512s A single resistor, R , programs an internal master os- SET <3.4% for Delay of 8s to 512s cillator frequency, setting the LTC6994s time base. The <5.1% for Delay of 1s to 8s input-to-output delay is determined by this master oscil- n Delay One or Both Rising/Falling Edges lator and an internal clock divider, N , programmable DIV n 2.25V to 5.5V Single Supply Operation 21 to eight settings from 1 to 2 : n 70A Supply Current at 10s Delay n N R 500s Start-Up Time 21 DIV SET t = 1s, N = 1, 8, 64,...,2 DELAY DIV n CMOS Output Driver Sources/Sinks 20mA 50k n 55C to 125C Operating Temperature Range The output (OUT) follows the input (IN) after delaying n Available in Low Profile (1mm) SOT-23 (ThinSOT) the rising and/or falling transitions. The LTC6994-1 will and 2mm 3mm DFN delay the rising or falling edge. The LTC6994-2 will delay n AEC-Q100 Qualified for Automotive Applications both transitions, and adds the option to invert the output. DEVICE DELAY FUNCTION APPLICATIONS n Noise Discriminators/Pulse Qualifiers LTC6994-1 or n Delay Matching n Switch Debouncing LTC6994-2 or n High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment The LTC6994 also offers the ability to dynamically adjust All registered trademarks and trademarks are the property of their respective owners. the delay time via a separate control voltage. For easy configuration of the LTC6994, use the TimerBlox LTC6994: Delay Web-Based Design Tool. TYPICAL APPLICATION Noise Discriminator NOISY QUALIFIED IN OUT INPUT OUTPUT IN LTC6994-2 3.3V 2V/DIV + GND V 1.5s 1.5s 0.1F OUT SET DIV 2V/DIV R SET 699412 TA01a 75k 699412 TA01b 20s/DIV Rev. C 1 Document Feedback For more information www.analog.comLTC6994-1/LTC6994-2 ABSOLUTE MAXIMUM RATINGS (Note 1) + Supply Voltage (V ) to GND ........................................6V Specified Temperature Range (Note 3) Maximum Voltage on Any Pin LTC6994C ................................................ 0C to 70C + .................................. (GND 0.3V) V (V + 0.3V) LTC6994I .............................................40C to 85C PIN Operating Temperature Range (Note 2) LTC6994H .......................................... 40C to 125C LTC6994C ............................................40C to 85C LTC6994MP ....................................... 55C to 125C LTC6994I .............................................40C to 85C Junction Temperature ........................................... 150C LTC6994H .......................................... 40C to 125C Storage Temperature Range .................. 65C to 150C LTC6994MP ....................................... 55C to 125C Lead Temperature (Soldering, 10 sec) S6 Package .......................................................300C PIN CONFIGURATION TOP VIEW TOP VIEW + V 1 6 OUT IN 1 6 OUT 7 DIV 2 5 GND + GND 2 5 V SET 4 IN 3 SET 3 4 DIV DCB PACKAGE S6 PACKAGE 6-LEAD (2mm 3mm) PLASTIC DFN 6-LEAD PLASTIC TSOT-23 T = 150C, = 64C/W, = 10.6C/W T = 150C, = 192C/W, = 51C/W JMAX JA JC JMAX JA JC EXPOSED PAD (PIN 7) CONNECTED TO GND, PCB CONNECTION OPTIONAL ORDER INFORMATION Lead Free Finish TAPE AND REEL (MINI) TAPE AND REEL PART MARKING PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE LTC6994CDCB-1 TRMPBF LTC6994CDCB-1 TRPBF LFCT 6-Lead (2mm x 3mm) Plastic DFN 0C to 70C LTC6994IDCB-1 TRMPBF LTC6994IDCB-1 TRPBF LFCT 6-Lead (2mm x 3mm) Plastic DFN 40C to 85C LTC6994HDCB-1 TRMPBF LTC6994HDCB-1 TRPBF LFCT 6-Lead (2mm x 3mm) Plastic DFN 40C to 125C LTC6994CS6-1 TRMPBF LTC6994CS6-1 TRPBF LTFCV 6-Lead Plastic TSOT-23 0C to 70C LTC6994IS6-1 TRMPBF LTC6994IS6-1 TRPBF LTFCV 6-Lead Plastic TSOT-23 40C to 85C LTC6994HS6-1 TRMPBF LTC6994HS6-1 TRPBF LTFCV 6-Lead Plastic TSOT-23 40C to 125C LTC6994CDCB-2 TRMPBF LTC6994CDCB-2 TRPBF LFCW 6-Lead (2mm x 3mm) Plastic DFN 0C to 70C LTC6994IDCB-2 TRMPBF LTC6994IDCB-2 TRPBF LFCW 6-Lead (2mm x 3mm) Plastic DFN 40C to 85C LTC6994HDCB-2 TRMPBF LTC6994HDCB-2 TRPBF LFCW 6-Lead (2mm x 3mm) Plastic DFN 40C to 125C LTC6994CS6-2 TRMPBF LTC6994CS6-2 TRPBF LTFCX 6-Lead Plastic TSOT-23 0C to 70C LTC6994IS6-2 TRMPBF LTC6994IS6-2 TRPBF LTFCX 6-Lead Plastic TSOT-23 40C to 85C LTC6994HS6-2 TRMPBF LTC6994HS6-2 TRPBF LTFCX 6-Lead Plastic TSOT-23 40C to 125C LTC6994MPS6-1 TRMPBF LTC6994MPS6-1 TRPBF LTFCV 6-Lead Plastic TSOT-23 55C to 125C LTC6994MPS6-2 TRMPBF LTC6994MPS6-2 TRPBF LTFCX 6-Lead Plastic TSOT-23 55C to 125C Rev. C 2 For more information www.analog.com