LTC6994-2 Linear Technology Corporation, LTC6994-2 Datasheet

LTC6994-2

Manufacturer Part Number

LTC6994-2

Description

Delay Block / Debouncer

Manufacturer

Linear Technology Corporation

Datasheet

1.LTC6994-2.pdf (24 pages)

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FeaTures

applicaTions

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

TimerBlox and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks

are the property of their respective owners.

Typical applicaTion

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

–40°C to 125°C Operating Temperature Range

Available in Low Profile (1mm) SOT-23 (ThinSOT™)

and 2mm × 3mm DFN

Noise Discriminators/Pulse Qualifiers

Delay Matching

Switch Debouncing

High Vibration, High Acceleration Environments

Portable and Battery-Powered Equipment

NOISY

INPUT

75k

Noise Discriminator

SET

GND

SET

LTC6994-2

699412 TA01a

OUT

DIV

3.3V

QUALIFIED

OUTPUT

0.1µF

DescripTion

The LTC

range of 1µs to 33.6 seconds. The LTC6994 is part of the

TimerBlox™ family of versatile silicon timing devices.

A single resistor, R

master oscillator frequency. The input-to-output delay

is determined by this master oscillator and an internal

clock divider, N

1 to 2

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

width of the output pulse via a separate control voltage.

The LTC6994 is available in the 6-lead SOT-23 (ThinSOT)

and 6-lead 2mm × 3mm DFN packages.

DELAY

LTC6994-1

LTC6994-2

2V/DIV

DEVICE

TimerBlox: Delay Block/

OUT

Electrical Specifications Subject to Change

6994 is a programmable delay block with a

LTC6994-1/LTC6994-2

DIV

1.5µs

•

, programmable to eight settings from

SET

Ω

SET

, programs the LTC6994’s internal

•

20µs/DIV

µs

1.5µs

DELAY FUNCTION

Debouncer

DIV

= 1, 8, 64,...,2

699412 TA01b

2 2 1

699412p

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