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参数资料
| 型号： | LTC6993IS6-1#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC MONO MULTIVIBRATOR TSOT23-6 |
| 产品培训模块： | TimerBlox Family Timing Devices |
| 特色产品： | TimerBlox? |
| 标准包装： | 500 |
| 系列： | LTC®6993 |
| 逻辑类型： | 单稳态 |
| 独立电路： | 1 |
| 施密特触发器输入： | 无 |
| 传输延迟： | 11ns |
| 输出电流高，低： | 16mA，16mA |
| 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-D-ND - BOARD EVAL LTC6992-2 |
LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
17
69931234fb
Since 625k is not available as a standard 1% resistor,
substitute 619k if a –0.97% shift in tOUT is acceptable.
Otherwise, select a parallel or series pair of resistors such
as 309k and 316k to attain a more precise resistance.
The completed design is shown in Figure 7.
APPLICATIONS INFORMATION
Figure 7. 100s Negative Pulse Generator
LTC6993-2
TRIG
GND
SET
OUT
V+
DIV
R1
102k
DIVCODE = 14
69931234 F07
2.25V TO 5.5V
R2
976k
0.1F
RSET
625k
Figure 8. Voltage-Controlled Pulse Width
LTC6993
TRIG
GND
SET
OUT
V+
DIV
R1
C1
0.1F
69931234 F08
V+
R2
RSET
RMOD
VCTRL
69931234 F09
LTC6993
TRIG
GND
SET
OUT
V+
DIV
C1
0.1F
R1
R2
V+
RMOD
RSET
–
+
V+
0.1F
1/2
LTC6078
LTC1659
V+
VCC
REF
GND
VOUT
P
DIN
CLK
CS/LD
NDIV RMOD
50k
tOUT =
DIN = 0 TO 4095
–
1+
RMOD
RSET
DIN
4096
1s
0.1F
Voltage-Controlled Pulse Width
With one additional resistor, the LTC6993 output pulse
widthcanbemanipulatedbyanexternalvoltage.Asshown
in Figure 8, voltage VCTRL sources/sinks a current through
RMOD to vary the ISET current, which in turn modulates
the pulse width as described in Equation (3).
tOUT =
NDIV RMOD
50k
1s
1
+
RMOD
RSET
–
VCTRL
VSET
(3)
Digital Pulse Width Control
The control voltage can be generated by a DAC (digital-to-
analog converter), resulting in a digitally-controlled pulse
width. Many DACs allow for the use of an external refer-
ence. If such a DAC is used to provide the VCTRL voltage,
the VSET dependency can be eliminated by buffering VSET
and using it as the DAC’s reference voltage, as shown in
Figure 9. The DAC’s output voltage now tracks any VSET
variation and eliminates it as an error source. The SET pin
cannot be tied directly to the reference input of the DAC
because the current drawn by the DAC’s REF input would
affect the pulse width.
Figure 9. Digitally Controlled Pulse Width
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6993IS6-2#PBF | 制造商:Linear Technology 功能描述:Monostable Multivibrator Single 6-Pin TSOT-23 制造商:Linear Technology 功能描述:SC-Timing, Cut Tape One Shot with Rising Edge Trigger Retriggerable |
| LTC6993IS6-2#TRMPBF | 功能描述:IC MONO MULTIVIBRATOR TSOT23-6 RoHS:是 类别:集成电路 (IC) >> 逻辑 - 多频振荡器 系列:LTC®6993 标准包装:1 系列:4000B 逻辑类型:单稳态 独立电路:2 施密特触发器输入:无 传输延迟:100ns 输出电流高，低:8.8mA，8.8mA 电源电压:3 V ~ 15 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:Digi-Reel® 其它名称:CD4538BCMXDKR |
| LTC6993IS6-2#TRPBF | 功能描述:IC MONO MULTIVIBRATOR TSOT23-6 RoHS:是 类别:集成电路 (IC) >> 逻辑 - 多频振荡器 系列:LTC®6993 标准包装:1 系列:4000B 逻辑类型:单稳态 独立电路:2 施密特触发器输入:无 传输延迟:100ns 输出电流高，低:8.8mA，8.8mA 电源电压:3 V ~ 15 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:Digi-Reel® 其它名称:CD4538BCMXDKR |
| LTC6993IS6-3#PBF | 制造商:Linear Technology 功能描述:Monostable Multivibrator Single 6-Pin TSOT-23 制造商:Linear Technology 功能描述:SC-Timing, Cut Tape One Shot with Falling Edge Trigger, Non-Triggerable |
| LTC6993IS6-3#TRMPBF | 功能描述:IC MONO MULTIVIBRATOR TSOT23-6 RoHS:是 类别:集成电路 (IC) >> 逻辑 - 多频振荡器 系列:LTC®6993 标准包装:1 系列:4000B 逻辑类型:单稳态 独立电路:2 施密特触发器输入:无 传输延迟:100ns 输出电流高，低:8.8mA，8.8mA 电源电压:3 V ~ 15 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:Digi-Reel® 其它名称:CD4538BCMXDKR |
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