DFNS2-KHZR2.000MHZXB20 [CTS]
Oscillator;
| 型号： | DFNS2-KHZR2.000MHZXB20 |
| 厂家： | 
CTS |
| 描述： | Oscillator |
| 文件： | 总1页 (文件大小：97K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FREQUENCY CONTROL PRODUCTS
S U R F A C E M O U N T P R E C I S I O N O S C I L L A T O R
D F N S 2 - K ( 5 V ) & D F N S 2 - L ( 3 . 3 V )
7.2±0.2
KEY FEATURES
5.08
2 to 130 MHz
± 25 ppm/15 years stability available
0.9
Encapsulated crystal
APPLICATIONS
Sonet/SDH
5.08
Function
DFN S2
4
3
PC board footprint
Enable/Disable
Gnd
1
2
3
4
1
2
Output
Vcc
1.4
TYPE
DFN S2-KHZ
DFN S2-LHZ
Frequency Range
2 to 100 MHz
2 to 130 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 10 %
3.3 V ± 5 %
supply current (no load)
≤ 25 MHz
≤ 70 MHz
> 70 MHz
≤ 20 mA
≤ 40 mA
≤ 70 mA
≤ 10 mA
≤ 15 mA
≤ 35 mA
HCMOS 15 pF
HCMOS 50 pF or 10 TTL ≤ 25 MHz
output load
duty cycle
HCMOS 15 pF > 25 MHz
40/60...60/40 % @ 50% level
40/60...60/40 % @ 50% level
rise/fall times (HCMOS @ 15 pF load)
10 to 90 %
10 to 90 %
≤ 7 ns up to 25 MHz
≤ 3 ns > 25 MHz
≤ 7 ns up to 25 MHz
≤ 3 ns > 25 MHz
high/low levels
≥ 4.5 V/ ≤ 0.5 V
≥ 2.8 V/ ≤ 0.3 V
Phase jitter (fj > 1 kHz)
@ 100 MHz
≤ 1 ps RMS
≤ 1 ps RMS
tri-state output on pin 1
start up
high or open = enable, low = high Z
high or open = enable, low = high Z
≤ 10 ms @ 4.5 V
≤ 10 ms @ 3.15 V
FREQUENCY STABILITY
stability [ ppm ] and temperature code
types
temperature range
stability
code
stability
code
stability
code
XB25
XE75
0 to 70°C
XB15
XE25
XB20
XE50
≤ ± 15 ppm
≤ ± 25 ppm
≤ ± 20 ppm
≤ ± 50 ppm
≤ ± 25 ppm
≤ ± 75 ppm
all types
remarks
-40 to 85°C
includes calibration at 25°C, temperature, ageing, Vcc and load changes 1st year
CODE
R
OPTIONS
45/55...55/45 %
B = 10 years
tight symmetry (f ≤ 50 MHz)
stability over long life time
A = 5 years
C = 15 years
ORDERING CODE
type + option code + frequency + temperature code
Example
DFN S2-LHZ 44.736 MHz XE25
REMARK
Please consult factory for life time/stabilities possible combinations
TYPE
DFN S2-K & L
REVISION
05
CHECKED
NE
DATE
10.10.2004
PAGE
26
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