参数资料
型号: LTC6994IS6-2#TRMPBF
厂商: Linear Technology
文件页数: 5/26页
文件大小: 0K
描述: IC DELAY LINE TSOT-23-6
产品培训模块: TimerBlox Family Timing Devices
特色产品: TimerBlox?
标准包装: 500
系列: TimerBlox®
功能: 可编程
可用的总延迟: 1µs ~ 33.6s
独立延迟数: 1
电源电压: 2.25 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-6
包装: 带卷 (TR)
配用: DC1562A-E-ND - BOARD EVAL LTC6992-3
LTC6994-1/LTC6994-2
13
699412fb
operaTion
Figure 3. Rising-Edge Delayed Timing Diagram (LTC6994-1, POL = 0)
Figure 4. Falling-Edge Delayed Timing Diagram (LTC6994-1, POL = 1)
Edge-Controlled Delay
The LTC6994 is a programmable delay or pulse qualifier.
It can perform noise filtering, which distinguishes it from
a delay line (which simply delays all input transitions).
WhenthevoltageontheLTC6994inputpin(IN)transitions
low or high, the LTC6994 can delay the corresponding
output transition by any time from 1s to 33.6 seconds.
LTC6994-1 Functionality
Figures3detailsthebasicoperationoftheLTC6994-1when
configured to delay rising edge transitions (POL = 0). A
rising edge on the IN pin initiates the timing. OUT remains
low for the duration of tDELAY. If IN stays high then OUT
will transition high after this time. If the input doesn’t
remain high long enough for OUT to transition high then
the timing will restart on each successive rising edge. In
this way, the LTC6994-1 can serve as a pulse qualifier,
filtering out noisy or short signals.
On a falling edge at the input, the output will follow im-
mediately (after a short propagation delay tPD).Note that
the output pulse width may be extremely short if IN falls
immediately after OUT rises.
Figure 4 details the operation of the LTC6994-1 when
configured to delay falling edges (POL = 1).
IN
OUT
tDELAY
tPD
tDELAY
tPD
699412 F03
tWIDTH
tPD
IN
OUT
tDELAY
tPD
tDELAY
tPD
tWIDTH
tDELAY
699412 F04
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