TW Type
5.0 x 3.2 mm SMD High Precision Voltage
Controlled Temperature Compensated
Crystal Oscillator
FEATURE
- Typical 5.0 x 3.2 x 1.55 mm ceramic SMD package.
- ±0.28ppm, -40°C~+85°C ; ±0.05ppm, -10°C~+70°C
- CMOS and Clipped Sine wave (without DC-cut capacitor) output optional.
TYPICAL APPLICATION
- Base Stations, Stratum 3
- Femtocell
DIMENSION (mm)
[ TOP VIEW ]
5.00±0.20
#4
3.20±0.20
#3
2.20±0.15
#3
Actual Size
RoHS Compliant
SOLDER PAD LAYOUT (mm)
[ BOTTOM VIEW ]
3.70 ±0.15
#4
0.1μF
1.20
3.80
#1
#2
#2
1.10 ±0.15
#1
0.80 ±0.15
Pin#
Function
Vcon:VC-TCXO
GND/NC:TCXO
GND
OUTPUT
V
DD
1.50
[ SIDE VIEW ]
1.55±0.10
1
2
3
4
To ensure optimal oscillator performance, place a by-pass capacitor of 0.1
μF
as close to the part as possible between Vdd and GND pads.
ELECTRICAL SPECIFICATION
Parameter
Supply Voltage Variation (V
DD
)
Frequency Range
Standard Frequency (for CMOS)
Standard Frequency (for Clipped Sine Wave)
Frequency Tolerance*
Frequency Stability
Vs Supply Voltage (±5%) change
Vs Load (±10%) change
Vs Aging (@1st year)
Supply Current (CMOS output)
10 MHz Fo 40 MHz
5.0 V
Min.
V
DD
-5%
10
Max.
Min.
V
DD
+5%
V
DD
-5%
52
10
10, 12.8,13, 19.2, 20, 25, 26, 30.72
10, 12.8,13, 19.2, 20, 25, 26, 30.72
_
±2.0
±0.3
±0.2
±1.0
6
8
3.5
3.3V
Max.
V
DD
+5%
52
Unit
V
MHz
±2.0
±0.3
±0.2
±1.0
6
8
3.5
ppm
_
_
_
_
_
_
_
90%V
DD
_
_
_
_
_
_
90%V
DD
2.20
ppm
40 MHz
Fo 52 MHz
mA
Supply Current (Clipped Sine Wave)
Output Level (CMOS)
Output High (Logic “1”)
Output Low (Logic “0”)
Duty
Output Level (Clipped Sine Wave)
Load (CMOS)
Load (Clipped Sine Wave)
Control Voltage Range (VCTCXO)
Pulling Range (VCTCXO)
Vc Input Impedance (VCTCXO)
100 Hz
Phase Noise @ 10 MHz
1 kHz
10 kHz
Start time
Storage Temp. Range
_
10%V
DD
55
_
10%V
DD
55
V
%
Vp-p
_
_
45
0.8
_
45
0.8
_
15pF
10 KΩ // 10pF
0.5
±5.0
100
-125
-145
-150
2
125
2.5
15pF
10 KΩ // 10pF
_
_
0.5
±5.0
100
-125
-145
-150
2.5
_
_
V
ppm
kΩ
dBc/Hz
_
-55
_
-55
＊
2
125
mSec
°C
Standard frequencies are frequencies which the crystal has been designed and does not imply a stock position.
Frequency at 25°C, 1 hour after reflow.
FREQ. STABILITY vs. TEMP. RANGE
Temp.
(°C)
ppm
±0.05
±0.1
±0.2
±0.28
±0.5
-10 ~ +70
-20 ~ +70
-40 ~ +85
*
: Available
:Conditional X: Not available
Note: not all combination of options are available. Other specifications may be available upon request.
56
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Rev(9)12/2017
51单片机
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