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參數(shù)資料
| 型號： | LTC6905-XXX |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Fixed Frequency SOT-23 Oscillator |
| 中文描述： | 固定頻率的SOT - 23振蕩器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 148K |
| 代理商： | LTC6905-XXX |
LTC6905-XXX Series
Fixed Frequency
SOT-23 Oscillator
DESCRIPTIOU
1
6905xf
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 6614313, 6342817.
■
No External Components to Set Frequency
■
Frequency Error
±
0.5% Typical
■
Fast Start-Up Time: 100
μ
s Typical
■
±
20ppm/
°
C Temperature Stability
■
Output Enable Provided
■
Includes Divide by 1, 2 or 4
■
Rise Time: 0.5ns, C
L
= 5pF
■
Timing Jitter: <0.8% Typical
■
50%
±
2.5% Duty Cycle
■
I
S
= 8mA Typical (f
OSC
= 100MHz, C
L
= 5pF)
■
CMOS Output Drives 600
Load
■
Single Supply 2.7V to 5.5V
■
Low Profile (1mm) ThinSOT
TM
Package
■
Data Clocks for High Reliability Applications
■
High Vibration, High Acceleration Environments
■
Replacement for Fixed Crystal and Ceramic
Oscillators
The LTC
6905-XXX series of parts are precision, fixed
frequency, silicon oscillators designed to minimize board
space while maximizing accuracy and ease of use.
Programmed at the factory to a fixed frequency, the
LTC6905-XXX series of parts need no external trim com-
ponents. An internal three-state divider allows for division
of the master clock by 1, 2 or 4, providing 3 frequencies
(for each device).
The LTC6905-XXX series operate with a single 2.7V to
5.5V power supply and provide a rail-to-rail, 50% duty
cycle, square wave output. The OE pin will disable the
output when brought low and synchronously enable the
output when brought high, avoiding pulse slivers.
The four products of the LTC6905-XXX family are:
LTC6905-133: f
OSC
= 133MHz, 66.7MHz, 33.3MHz
LTC6905-100: f
OSC
= 100MHz, 50MHz, 25MHz
LTC6905-96: f
OSC
= 96MHz, 48MHz, 24MHz
LTC6905-80: f
OSC
= 80MHz, 40MHz, 20MHz
The LTC6905-XXX series of parts are designed with a factory
trim option to modify the divider ratios from 1, 2, 4 to 8, 16,
32. A second trim option allows for additional master clock
frequencies. For the alternate divider ratios and unlisted
frequencies, contact LTC marketing.
Basic Connection
Typical Distribution of Frequency Error, T
A
= 25
°
C
FEATURES
APPLICATIU
TYPICAL APPLICATIO
U
V
+
LTC6905-133
1
2
3
5
f
OSC
= 133MHz
3V
3V
0.1
μ
F
6905x TA01
4
GND
OE
OUT
DIV
OPEN
÷
2
÷
1
÷
4
% FREQUENCY ERROR
–1
0
U
10
20
30
40
V
S
= 3V
–0.5
0.0
0.5
6905x TA02
1
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