Temperature Compensated Crystal Oscillators [ TCXO " M " and VCTCXO " VM " ]
Clipped Sine " S "
CMOS " T "
PECL Differential " P "
LVDS Differential " D "
Part Number Format and Example
[ 1 ]
[ 2 ]
G
[ 3 ]
[ 4 ]
[ 5 ]
[ 6 ]
[ 7 ]
Holder
Type
Output
Wave
Supply
Center
Frequency
Stability
Operating
∕
–
–
Voltage
Frequency
Temp. Range
(1)
V M 38
M 57
G
T
S
5
3
10.000
20.000
1.5
2.5
-20+70
-30+75
／
／
-
-
-
-
Examples
(2)
Ex (1) : VM38GT5 - 10.000 - 1.5 / -20+70 [ VCTCXO , VM38 type , RoHS , CMOS output , 5.0V , 10.000MHz , ±1.5ppm from -20°C to 70°C ]
Ex (2) : M57S3 - 20.000 - 2.5 / -30+75 [ TCXO , M57 type , Clipped Sine W ave , 3.0V , 20.000MHz , ±2.5ppm from -30°C to 75°C ]
Holder Type
[ 1 ]
" M " stands for TCXO , " VM " stands for VCTCXO
[ 2 ] Please add "G " after the " type code " for RoHS compliant ( Does not apply to (V)M32 , (V)M53 , (V)M536_ , (V)M57_ , (V)M576_ )
" S " stands for Clipped Sine Wave ; " T " stands for Square Wave ; " D " stands for LVDS differential ; " P " stands for PECL differential
[ 3 ]
ex 1 : M44T --- TCXO , M44 pcakage , CMOS output
;
ex 2 : VM38P --- VCTCXO , VM38 package , PECL differential
[ 2 ] Supply voltage , " 28 " stands for +2.8V ; " 3 " stands for +3.0V ; " 33 " stands for +3.3V ; " 5 " stands for +5.0V
[ 3 ] Center Frequency in MHz
[ 4 ] Frequency stability in ± _ ppm ; ex 1 : ± 2.5ppm --- 2.5 , ex 2 : ± 1.0ppm --- 1.0
Operating temperature range in °C
[ 5 ]
ex 1 : -10 °C to 60°C ----- -10+60
;
ex 2 : -20 °C to 70°C ----- -20+70 ; ex 3 : -40 °C to 85°C ----- -40+85
Clipped Sine Wave , " S " series
CMOS Output Wave , " T " series
Exception : (V)53S , (V)32S have no DC-block at output
PECL Square Wave Output Wave Form
LVDS Square Wave Output Wave Form
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