Datasheet > LTC6992

LTC6992

更新时间： 2024-10-04 01:08:43

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	367K
描述
TimerBlox: Long Timer, Low Frequency Oscillator

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中文翻译

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数据手册

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LTC6992 数据手册

LTC6995-1/LTC6995-2

TimerBlox: Long Timer, Low

Frequency Oscillator

FeaTures

DescripTion

The LTC^®6995 is a silicon oscillator with a programmable

periodrangeof1.024msto9.54hours(29.1µHzto977Hz),

specifically intended for long duration timing events. The

LTC6995 is part of the TimerBlox^®family of versatile

silicon timing devices.

Period Range: 1ms to 9.5 Hours

Timing Reset by Power-On or Reset Input

Configured with 1 to 3 Resistors

<1.5% Maximum Frequency Error

Programmable Output Polarity

2.25V to 5.5V Single Supply Operation

A single resistor, R , programs the LTC6995’s internal

SET

55µA to 80µA Supply Current

master oscillator frequency. The output clock period

is determined by this master oscillator and an internal

(2ms to 9.5hr Clock Period)

500µs Start-Up Time

frequency divider, N , programmable to eight settings

DIV

CMOS Output Driver Sources/Sinks 20mA

from 1 to 2 .

–55°C to 125°C Operating Temperature Range

N_DIV•R_SET

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

t_OUT

•1.024ms, N_DIV= 1,8,64,...,2²¹

and 2mm × 3mm DFN Packages

50kΩ

When oscillating, the LTC6995 generates a 50% duty

cycle square wave output. A reset function is provided

to stop the master oscillator and clear internal dividers.

Removing reset initiates a full output clock cycle which

is useful for programmable power on reset and watchdog

timer applications.

applicaTions

Power-On Reset Timer

Long Time One Shot

“Heartbeat” Timers

Watchdog Timers

Periodic “Wake-Up” Call

High Vibration, High Acceleration Environments

The LTC6995 has two versions of reset functionality. The

reset input is active high for the LTC6995-1 and active low

for the LTC6995-2. The polarity of the output when reset

is selectable for both versions.

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

and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the

property of their respective owners.

OUTPUT (OSCILLATOR START STATE)

RST/RST POLARITY

LTC6995-1

Oscillating (Low)

0 (Reset)

LTC6995-2

0 (Reset)

Oscillating (Low)

1 (Reset)

Oscillating (High)

1 (Reset)

Oscillating (High)

Typical applicaTion

Active Low Power-On Reset Timer

RST

GND

SET

OUT

LTC6995-1

5 SECONDS

1/2 t

0.1µF

OUT

TIMER STOPPED

OUT

DIV

POWER-ON RESET

(1ms TO 4.8 HOURS)

118k

392k

699512 TA01

699512f

For more information www.linear.com/6995

12 3 4 5 6 7...28

中文翻译

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与LTC6992相关器件

型号	品牌	获取价格	描述	数据表
LTC6992-1	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992-1	ADI	获取价格	TimerBlox : 电压控制型脉宽调制器 (PWM)
LTC6992-1_15	Linear	获取价格	Voltage-Controlled Pulse Width Modulator
LTC6992-2	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992-2_15	Linear	获取价格	Voltage-Controlled Pulse Width Modulator
LTC6992-3	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992-3_15	Linear	获取价格	Voltage-Controlled Pulse Width Modulator
LTC6992-4	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992-4_15	Linear	获取价格	Voltage-Controlled Pulse Width Modulator
LTC6992CDCB-3#TRMPBF	Linear	获取价格	LTC6992 - TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM); Package: DFN; Pins: 6

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