LTC6994-1

PRODUCTION

TimerBlox: Delay Block/Debouncer

Analog Devices LTC6994-1 Product Info

10 February 2026 4

Features

Delay Range: 1µs to 33.6 Seconds
Configured with 1 to 3 Resistors
Delay Max Error:
- <2.3% for Delay > 512µs
- <3.4% for Delay of 8µs to 512µs
- <5.1% for Delay of 1µs to 8µs
Delay One or Both Rising/Falling Edges
2.25V to 5.5V Single Supply Operation

70µA Supply Current at 10µs Delay
500µs Start-Up Time
CMOS Output Driver Sources/Sinks 20mA
–55°C to 125°C Operating Temperature Range
Available in Low Profile (1mm) SOT-23 (ThinSOT^™) and 2mm × 3mm DFN
AEC-Q100 Qualified for Automotive Applications

Part details & applications

The LTC6994 is a programmable delay block with a range of 1µs to 33.6 seconds. The LTC6994 is part of the TimerBlox^® family of versatile silicon timing devices.

A single resistor, R_SET, programs an internal master oscillator frequency, setting the LTC6994’s time base. The input-to-output delay is determined by this master oscillator and an internal clock divider, N_DIV, programmable to eight settings from 1 to 2²¹.

The output (OUT) follows the input (IN) after delaying the rising and/or falling transitions. The LTC6994-1 will delay the rising or falling edge. The LTC6994-2 will delay both transitions, and adds the option to invert the output.

The LTC6994 also offers the ability to dynamically adjust the delay time via a separate control voltage.

Applications

Noise Discriminators/Pulse Qualifiers
Delay Matching
Switch Debouncing
High Vibration, High Acceleration Environments
Portable and Battery-Powered Equipment

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