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LTC6905CS5-80#TR PDF预览

LTC6905CS5-80#TR

更新时间: 2024-01-28 12:52:18
品牌 Logo 应用领域
凌特 - Linear 振荡器机械
页数 文件大小 规格书
8页 140K
描述
LTC6905-XXX - Fixed Frequency SOT-23 Oscillator; Package: SOT; Pins: 5; Temperature Range: 0°C to 70°C

LTC6905CS5-80#TR 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Active针数:5
Reach Compliance Code:compliant风险等级:5.33
Samacsys Confidence:3Samacsys Status:Released
2D Presentation:https://componentsearchengine.com/2D/0T/1202584.1.1.pngSchematic Symbol:https://componentsearchengine.com/symbol.php?partID=1202584
PCB Footprint:https://componentsearchengine.com/footprint.php?partID=12025843D View:https://componentsearchengine.com/viewer/3D.php?partID=1202584
Samacsys PartID:1202584Samacsys Image:https://componentsearchengine.com/Images/9/LTC6905CS5-80#TRPBF.jpg
Samacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/1/LTC6905CS5-80#TRPBF.jpgSamacsys Pin Count:5
Samacsys Part Category:Crystal or OscillatorSamacsys Package Category:SOT23 (5-Pin)
Samacsys Footprint Name:5-Lead Plastic TSOT-23Samacsys Released Date:2019-09-27 12:49:29
Is Samacsys:N其他特性:TAPE AND REEL
最长下降时间:0.5 ns频率调整-机械:NO
频率稳定性:20%JESD-609代码:e3
安装特点:SURFACE MOUNT标称工作频率:80 MHz
最高工作温度:85 °C最低工作温度:-40 °C
振荡器类型:CMOS输出负载:5 pF
物理尺寸:2.9mm x 1.75mm x 1.0mm最长上升时间:0.5 ns
最大供电电压:5.5 V最小供电电压:2.7 V
表面贴装:YES最大对称度:52.5/47.5 %
端子面层:Matte Tin (Sn)Base Number Matches:1

LTC6905CS5-80#TR 数据手册

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LTC6905-XXX Series  
U
U
U
PI FU CTIO S  
V+ (Pin 1): Voltage Supply (2.7V V+ 5.5V). This supply  
must be kept free from noise and ripple. It should be  
bypasseddirectlytotheGND(Pin2)witha0.1µFcapacitor  
or higher.  
toV+ forthe÷1setting, thehighestfrequencyrange. Float-  
ing Pin 4 divides the master oscillator by 2. Pin 4 should  
betiedtoGNDforthe÷4setting,thelowestfrequencyrange.  
To detect a floating DIV pin, the LTC6905 attempts to pull  
thepintowardmidsupply.Thisisrealizedwithtwointernal  
current sources, one tied toV+ and Pin 4 and the other one  
tiedtogroundandPin4.Therefore,drivingtheDIVpinhigh  
requires sourcing approximately 15µA. Likewise, driving  
DIV low requires sinking 15µA. When Pin 4 is floated, it  
shouldbebypassedbya1nFcapacitortogroundoritshould  
besurroundedbyagroundshieldtopreventexcessivecou-  
pling from other PCB traces.  
GND (Pin 2): Ground. Should be tied to a ground plane for  
best performance.  
OE (Pin 3): Output Enable. Pull to V+ or leave floating to  
enable the output driver (Pin 5). Pull low to disable the  
output. The output is disabled asynchronously. Pulling OE  
pin low will immediately disable the output. Pulling the OE  
pin high will bring the output high on the next low to high  
transition of the clock. This eliminates pulse slivers.  
OUT (Pin 5): Oscillator Output. This pin can drive 5kΩ  
and/or 5pF loads. For heavier loads, refer to the Applica-  
tions Information section.  
DIV (Pin 4): Divider-Setting Input. This three-state input  
selects among three divider settings. Pin 4 should be tied  
W
BLOCK DIAGRA  
3
OE  
f
V
= 1V ±5%  
MO  
N
RES  
f
=
+
+
OSC  
PROGRAMMABLE  
DIVIDER  
(N = 1, 2 OR 4)  
(V – V  
)
V
OUT  
SET  
1
5
+
GAIN = 1  
MASTER OSCILLATOR  
R
SET  
I
RES  
+
DIVIDER  
SELECT  
V
f
MO  
15µA  
+
DIV  
THREE-STATE  
INPUT DETECT  
4
+
V
BIAS  
I
RES  
15µA  
GND  
2
GND  
6905x BD  
Table 1. LTC6905-XXX Frequency Settings  
DIV SETTING  
V+  
LTC6905-133  
133.33MHz  
66.66MHz  
LTC6905-100  
100MHz  
50MHz  
LTC6905-96  
96MHz  
LTC6905-80  
80MHz  
OPEN  
48MHz  
40MHz  
GND  
33.33MHz  
25MHz  
24MHz  
20MHz  
6905xf  
5

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