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VTM3-C43E-19M680

Clipped Sine Output Oscillator, 19.68MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 6 PIN

器件类别:无源元件    振荡器   

厂商名称:Vectron International, Inc.

厂商官网:http://www.vectron.com/

器件标准:  

下载文档
器件参数
参数名称
属性值
是否无铅
不含铅
是否Rohs认证
符合
厂商名称
Vectron International, Inc.
Reach Compliance Code
compliant
其他特性
TAPE AND REEL
老化
1 PPM/YEAR
最大控制电压
2.5 V
最小控制电压
0.5 V
频率调整-机械
NO
频率偏移/牵引率
15 ppm
频率稳定性
3%
JESD-609代码
e4
制造商序列号
VTM3
安装特点
SURFACE MOUNT
标称工作频率
19.68 MHz
最高工作温度
85 °C
最低工作温度
-40 °C
振荡器类型
CLIPPED SINE
输出阻抗
10000 Ω
输出电平
0.8 V
物理尺寸
3.2mm x 2.5mm x 0.9mm
最大供电电压
3.15 V
最小供电电压
2.85 V
标称供电电压
3 V
表面贴装
YES
端子面层
Gold (Au) - with Nickel (Ni) barrier
文档预览
VTM3 series
Voltage Controlled Temperature Compensated Crystal Oscillator
Features
Small 3.2x2.5 package size
Clipped Sine Wave Output
Output Frequencies to 45 MHz
Fundamental Crystal Design
Optional VCXO Function available
Gold over nickel contact pads
Hermetically Sealed Ceramic SMD package
The VTM3, VCTXCO
Product is compliant to RoHS directive
and fully compatible with lead free assembly
Applications
GPS
WiMAX, Wi-Fi, Wi-LAN
Seismic Exploration
Point to point radios
Broadband Access
Test Equipment
PDA’s
Description
Vectron’s VTM3 Temperature Compensated
Crystal Oscillator (TCXO) is a quartz stabilized,
clipped sine wave output, temperature
compensated oscillator, operating off either 2.8,
3.0, or 3.3 volt supply.
Vectron International 267 Lowell Road, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTM3 Data Sheet
Performance Characteristics
Table 1. Electrical Performance
Parameter
Frequency
Typical Supply Voltage
1
Ordering option, see last page
Supply Current
8.000 MHz to < 20.000 MHz
20.000 MHz to < 32.00 MHz
32.000 MHz to 45.00 MHz
Output Level
2
Output Load
Control Voltage Impedance
Control Voltage to reach pull
All options (3.3,3.0 and 2.8V)
Pull Range
Ordering option, see last page
Temperature Stability
Ordering option, see last page.
Initial Accuracy, “No Adjust” option
Power Supply Stability
Load Stability
Aging
Operating temperature
Ordering option, see last page
Phase Noise, 12.000MHz
10 Hz offset
100 Hz offset
1 kHz offset
10 kHz offset
100 kHz offset
1 MHz offset
5 MHz offset
Start-up time
Symbol
f
O
Min
8.000
Maximum
45.000
2.8, 3.0, or 3.3
Typical
Units
MHz
Vdc
mA
1.5
2.0
2.5
Vp/p
Z
Vc
0.8
10K II 10pf
500
0.5
TPR
±5, ±8, ±10, ±15
±0.5 to ±5.0
±0.5
2.5
ppm
ppm
Kohm
V
V
I
DD
±1.0
ppm
±0.2
ppm
±0.2
ppm
±1.0
ppm/year
0/55, -10/60, -20/70, -30/80, -40/85
°C
dBc/Hz
-89
-117
-135
-148
-153
-154
-155
2
ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
2. Output is DC coupled
.
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTM3 Data Sheet
Figure 2. Clipped Sine Wave Output
VCXO Functional Description
VCXO Feature:
The VTM3 can be ordered with a VCXO function for applications where it will be used in
a PLL, or the output frequency needs fine tune adjustments. This is a high impedance input, 0.5 Mohm,
and can be driven with an op-amp or terminated with adjustable resistors etc.
Pin 1 should not be left
floating
on the VCXO optional devices.
“No Adjust” Feature:
In applications where the VTM3 will not be used in a PLL, or the output frequency
does not fine tune adjustments, the best device to use would be a VTM3-x0xx. By using the “no adjust”
option, the circuit is simplified as Vc does not need to adjusted or set to a predetermined voltage and
pin
1 should be grounded
(pin 1 can be left open but should not be set to a voltage such as the supply).
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTM3 Data Sheet
Outline Diagrams, Pad Layout and Pin Out
Pin 1,
Pin 2,
Pin 3,
Pin 4,
Pin 5,
Pin 6,
Pin 7,
Pin 8,
Ground or VC
NC
Ground
Output
NC
VCC
NC
NC
Contact Pads are gold over nickel
Devices will be marked with the frequency
Pin 2,5,6,7,8 are used to program and adjust the TCXO during manufacturing and should be left open; do
not terminate these to the supply voltage and are a “make no connection” pad.
Figure 3, Package drawing
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTM3 Data Sheet
3.2
±
0.2
2 .5
±
0 .2
M RKING
A
1.0
max
#1
#
2
0 .65
Pin 1, Ground or VC
Pin
TERMINAL
2, Ground
CONNECTION
Pin 3, Output
TCXO
VCTCXO
Pin 4,
#1
VCC
GND
Vcont
#2
GND
OUTPUT
Vcc
GND
OUTPUT
Vcc
#3
#4
#4
1.95
#3
0.55
0.85
1.0
1 .25
2.6
LA
ND PATT
ERN
Contact Pads are gold over nickel
Devices will be marked with the frequency
Figure 4, Package drawing for ±0.5ppm over -30/80°C and <±2ppm over -40/85°C
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
1.65
e-mail: vectron@vectron.com
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