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参数资料
| 型号： | DC1562A-J |
| 厂商： | Linear Technology |
| 文件页数： | 6/26页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTC6993-4 |
| 设计资源： | DC1562A Design Files DC1562A Schematic |
| 特色产品： | TimerBlox? |
| 标准包装： | 1 |
| 系列： | TimerBlox® |
| 主要目的： | 定时，单稳多谐振荡器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LTC6993-4 |
| 主要属性： | 下降沿触发器，可再触发 |
| 次要属性： | 2.25 V ~ 5.5 V 电源 |
| 已供物品： | 板 |
LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
14
69931234fb
OPERATION
Monostable Multivibrator (One Shot)
The LTC6993 is a monostable multivibrator. A trigger
signal on the TRIG input will force the output to the active
(unstable) state for a programmable duration. This type
of circuit is commonly referred to as a one-shot pulse
generator.
Figures 3 details the basic operation. A rising edge on
the TRIG pin initiates the output pulse. The pulse width
(tOUT) is determined by the NDIV setting and by the resis-
tor (RSET) connected to the SET pin. Subsequent rising
edges on TRIG have no affect until the completion of the
one shot and for a short rearming time (tARM) thereafter.
To ensure proper operation, positive and negative TRIG
pulses should be at least tWIDTH wide.
The LTC6993-2 and LTC6993-4 allow the output pulse to
be “retriggered”. As shown in Figure 4, the output pulse
will stay high until tOUT after the last rising-edge on TRIG.
Successive trigger signals can extend the pulse width in-
definitely. Consecutive trigger signals must be separated
by tRETRIG to be recognized.
Negative Trigger Versions
In addition to the retrigger option, the LTC6993 family also
includesnegativeinput(falling-edge)versions.Thesefour
combinations are detailed in Table 2.
Table 2. Retrigger and Input Polarity Options
DEVICE
INPUT POLARITY
RETRIGGER
LTC6993-1
Rising-Edge
No
LTC6993-2
Rising-Edge
Yes
LTC6993-3
Falling-Edge
No
LTC6993-4
Falling-Edge
Yes
Output Polarity (POL Bit)
Each variety of LTC6993 also offers the ability to invert
the output, producing negative pulses. This option is
programmed, along with NDIV, by the choice of DIVCODE.
(TheprevioussectiondescribeshowtoprogramDIVCODE
using the DIV pin).
Figure 3. Non-Retriggering Timing Diagram (LTC6993-1, POL = 0)
Figure 4. Retriggering Timing Diagram (LTC6993-2, POL = 0)
tPD
tWIDTH
tRETRIG
TRIG
OUT
tOUT
tPD
tOUT
69931234 F04
tPD
TRIG
OUT
tPD
tARM
tWIDTH
tOUT
69931234 F03
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1562A-K | 功能描述:BOARD EVAL LTC6994-1 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:TimerBlox® 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
| DC1562A-L | 功能描述:BOARD EVAL LTC6994-2 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:TimerBlox® 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
| DC1562B-B | 制造商:Linear Technology 功能描述:LTC6991 DEMO BOARD 1Hz (1s) Fixed Frequenc |
| DC1562B-C | 制造商:Linear Technology 功能描述:LTC6992-1 DEMO BOARD 10kHz, 0 100% Duty Cycle |
| DC1562B-E | 制造商:Linear Technology 功能描述:BOARD EVAL LTC6992-3 制造商:Linear Technology 功能描述:DEMO BOARD LTC6992-3 VOLTAGE CONTROLLED 制造商:Linear Technology 功能描述:DEMO BOARD, LTC6992-3 VOLTAGE CONTROLLED 制造商:Linear Technology 功能描述:DEMO BOARD, LTC6992-3 VOLTAGE CONTROLLED OSC, Silicon Manufacturer:Linear Technology, Silicon Core Number:LTC6992-3, Kit Application Type:Clock & Timing, Application Sub Type:Voltage Controlled Oscillator |
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