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LTC6993CDCB-1#PBF 数据手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
封装:
DFN
Pictures:
3D模型
符号图
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封装尺寸在P3P24
焊盘布局在P24
型号编码规则在P3
标记信息在P3
封装信息在P3
技术参数、封装参数在P5
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LTC6993CDCB-1#PBF数据手册
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LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
1
69931234fb
TYPICAL APPLICATION
FEATURES DESCRIPTION
TimerBlox: Monostable
Pulse Generator (One Shot)
The LTC
®
6993 is a monostable multivibrator (also known
as a “one-shot” pulse generator) with a programmable
pulse width of 1µs to 33.6 seconds. The LTC6993 is part
of the TimerBlox
®
family of versatile silicon timing devices.
A single resistor, R
SET
, programs an internal master os-
cillator frequency, setting the LTC6993’s time base. The
output pulse
width is determined by this master oscillator
and an internal clock divider, N
DIV
, programmable to eight
settings from 1 to 2
21
.
t
OUT
=
N
DIV
•R
SET
50kΩ
• 1µs, N
DIV
= 1, 8, 64,...,2
21
The output pulse is initiated by a transition on the trigger
input (TRIG). Each part can be configured to generate posi-
tive or negative output pulses. The LTC6993 is available
in four versions to provide different trigger signal polarity
and retrigger capability.
DEVICE INPUT POLARITY RETRIGGER
LTC6993-1 Rising-Edge No
LTC6993-2 Rising-Edge Yes
LTC6993-3 Falling-Edge No
LTC6993-4 Falling-Edge Yes
The LTC6993 also offers the ability to dynamically adjust
the width of the output pulse via a separate control voltage.
For easy configuration of the LTC6993, download the
TimerBlox Designer tool at www.linear.com/timerblox.
Envelope Detector
APPLICATIONS
n
Pulse Width Range: 1µs to 33.6 Seconds
n
Configured with 1 to 3 Resistors
n
Pulse Width Max Error:
– <2.3% for Pulse Width > 512µs
– <3.4% for Pulse Width of 8µs to 512µs
– <4.9% for Pulse Width of 1µs to 8µs
n
Four LTC6993 Options Available:
– Rising-Edge or Falling-Edge Trigger
– Retriggerable or Non-Retriggerable
n
Configurable for Positive or Negative Output Pulse
n
Fast Recovery Time
n
2.25V to 5.5V Single Supply Operation
n
70µA Supply Current at 10µs Pulse Width
n
500µs Start-Up Time
n
CMOS Output Driver Sources/Sinks 20mA
n
–55°C to 125°C Operating Temperature Range
n
Available in Low Profile (1mm) SOT-23 (ThinSOT™)
and 2mm × 3mm DFN
n
Watchdog Timer
n
Frequency Discriminators
n
Missing Pulse Detection
n
Envelope Detection
n
High Vibration, High Acceleration Environments
n
Portable and Battery-Powered Equipment
L, LT , LT C , LT M , 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.
69931234 TA01a
LTC6993-2
OUT
V
+
DIV
TRIG
GND
SET
R
SET
800k
3.3V
0.1µF
SIGNAL
ENVELOPE
MODULATED
CARRIER
TRIG
2V/DIV
OUT
2V/DIV
50µs/DIV
69931234 TA01b
80kHz CARRIER
16µs
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