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參數資料
| 型號： | LTC6905IS5-133 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | XO, clock |
| 英文描述： | Fixed Frequency SOT-23 Oscillator |
| 中文描述： | CRYSTAL OSCILLATOR, CLOCK, 133 MHz, CMOS OUTPUT |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁數： | 5/8頁 |
| 文件大?。?/td> | 148K |
| 代理商： | LTC6905IS5-133 |
LTC6905-XXX Series
5
6905xf
BLOCK DIAGRA
–
+
–
+
+
1
3
GAIN = 1
V
+
V
BIAS
I
RES
I
RES
R
SET
GND
MASTER OSCILLATOR
PROGRAMMABLE
DIVIDER
(N = 1, 2 OR 4)
V
RES
= 1V
±
5%
+
– V
SET
)
THREE-STATE
INPUT DETECT
GND
V
+
15
μ
A
6905x BD
15
μ
A
OUT
OE
f
MO
DIVIDER
SELECT
5
DIV
4
2
f
OSC
= f
MO
N
PIU
V
+
(Pin 1):
Voltage Supply (2.7V
≤
V
+
≤
5.5V). This supply
must be kept free from noise and ripple. It should be
bypassed directly to the GND (Pin 2) with a 0.1
μ
F capacitor
or higher.
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.
DIV (Pin 4):
Divider-Setting Input. This three-state input
selects among three divider settings. Pin 4 should be tied
to V
+
for the
÷
1 setting, the highest frequency range. Float-
ing Pin 4 divides the master oscillator by 2. Pin 4 should
be tied to GND for the
÷
4 setting, the lowest frequency range.
To detect a floating DIV pin, the LTC6905 attempts to pull
the pin toward midsupply. This is realized with two internal
current sources, one tied to V
+
and Pin 4 and the other one
tied to ground and Pin 4. Therefore, driving the DIV pin high
requires sourcing approximately 15
μ
A. Likewise, driving
DIV low requires sinking 15
μ
A. When Pin 4 is floated, it
should be bypassed by a 1nF capacitor to ground or it should
be surrounded by a ground shield to prevent excessive cou-
pling from other PCB traces.
OUT (Pin 5):
Oscillator Output. This pin can drive 5k
and/or 5pF loads. For heavier loads, refer to the Applica-
tions Information section.
Table 1. LTC6905-XXX Frequency Settings
DIV SETTING
LTC6905-133
V+
133.33MHz
OPEN
66.66MHz
GND
33.33MHz
LTC6905-100
100MHz
50MHz
25MHz
LTC6905-96
96MHz
48MHz
24MHz
LTC6905-80
80MHz
40MHz
20MHz
相關PDF資料 |
PDF描述 |
|---|---|
| LTC6905IS5-80 | Fixed Frequency SOT-23 Oscillator |
| LTC6905IS5-96 | Fixed Frequency SOT-23 Oscillator |
| LTC6905-XXX | Fixed Frequency SOT-23 Oscillator |
| LTC6905HS5 | 17MHz to 170MHz Resistor Set SOT-23 Oscillator |
| LTC6905IS5 | 17MHz to 170MHz Resistor Set SOT-23 Oscillator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC6905IS5-133#PBF | 制造商:Linear Technology 功能描述:FIXED FREQUENCY SOT-23 OSCILLATOR |
| LTC6905IS5-133#TRMPBF | 功能描述:IC OSC SILICON 133MHZ TSOT23-5 RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:45 系列:- 類型:溫度 - 補償晶體振蕩器（TCXO） 計數:- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應商設備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6905IS5-133#TRPBF | 功能描述:IC OSC SILICON 133MHZ TSOT23-5 RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:45 系列:- 類型:溫度 - 補償晶體振蕩器（TCXO） 計數:- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應商設備封裝:16-SOIC W 安裝類型:表面貼裝 |
| LTC6905IS5-80 | 制造商:Linear Technology 功能描述:FIXED FREQUENCY SOT-23 OSCILLATOR |
| LTC6905IS5-80#PBF | 制造商:Linear Technology 功能描述:Silicon Oscillator 5-Pin TSOT-23 制造商:Linear Technology 功能描述:IC SILICON OSC 80MHZ 5TSOT2 制造商:Linear Technology 功能描述:IC, SILICON OSC, 80MHZ, 5TSOT23 |
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