Datasheet LTC6994-1, LTC6994-2 (Analog Devices)

ПроизводительAnalog Devices
ОписаниеTimerBlox: Delay Block/Debouncer
Страниц / Страница28 / 1 — FEATURES. DESCRIPTION. Delay Range: 1µs to 33.6 Seconds. APPLICATIONS. …
ВерсияC
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FEATURES. DESCRIPTION. Delay Range: 1µs to 33.6 Seconds. APPLICATIONS. DEVICE. DELAY FUNCTION. TYPICAL APPLICATION

Datasheet LTC6994-1, LTC6994-2 Analog Devices, Версия: C

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LTC6994-1/LTC6994-2 TimerBlox: Delay Block/ Debouncer
FEATURES DESCRIPTION
n
Delay Range: 1µs to 33.6 Seconds
The LTC®6994 is a programmable delay block with a n Configured with 1 to 3 Resistors range of 1µs 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 > 512µs A single resistor, RSET , programs an internal master os- – <3.4% for Delay of 8µs to 512µs cillator frequency, setting the LTC6994’s time base. The – <5.1% for Delay of 1µs to 8µs input-to-output delay is determined by this master oscil- n Delay One or Both Rising/Falling Edges lator and an internal clock divider, NDIV , programmable n 2.25V to 5.5V Single Supply Operation to eight settings from 1 to 221: n 70µA Supply Current at 10µs Delay n 500µs Start-Up Time N t DIV • RSET n DELAY = • 1µs, NDIV = 1, 8, 64,...,221 CMOS Output Driver Sources/Sinks 20mA 50kΩ n –55°C to 125°C Operating Temperature Range n The output (OUT) follows the input (IN) after delaying Available in Low Profile (1mm) SOT-23 (ThinSOT™) the rising and/or falling transitions. The LTC6994-1 will and 2mm × 3mm DFN n delay the rising or falling edge. The LTC6994-2 will delay AEC-Q100 Qualified for Automotive Applications both transitions, and adds the option to invert the output.
APPLICATIONS DEVICE DELAY FUNCTION
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 LTC6994-2 IN 3.3V 2V/DIV GND V+ 0.1µF 1.5µs 1.5µs SET DIV OUT R 2V/DIV SET 699412 TA01a 75k 20µs/DIV 699412 TA01b Rev. C Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts