DA1175.008
13 July, 2006
ELECTRICAL CHARACTERISTICS
Parameter
Frequency Range
Voltage Control Range
Voltage Control Sensitivity
Output Voltage (10kΩ // 10 pF)
Compensation Range ± 2.5 ppm
Compensation Range ± 2.0 ppm
Compensation Range Linear Part
Compensation Inflection Point
Compensation Range Cubic Part
Compensation CDAC1 (8 Bit)
Compensation CDAC2 (2 Bit)
Startup Time
Symbol
f
o
V
C
V
CSENS
V
out
T
C
T
C
a1
INF
a3
C
X1
C
X2
T
START
C10
C20
2
-30
-25
-0.7
25
95
C10 + 18
C20 + 4
Min
10.00
0
10
1.0
85
75
0.0
31
Typ
Max
20.00
Vdd
ppm/V
Vpp
o
o
Unit
MHz
Note
C
C
C
2)
3)
ppm/K
o
ppm
2
/K
3
pF
pF
ms
Note 2:
typ C10 = 14pF
Note 3:
typ C20 = 5pF (varactor capacitance has to be added)
IC OUTLINES
VDD
PV
CLK
DA
TE1
TE2
MAS1175
1556 µm
VC
X1
X2
VSS
OUT
Die map reference
2234 µm
Note 1:
MAS1175A pads are round with 95 µm diameter at opening.
Note 2:
Pins PV and TE1 shall not be connected and pins CLK and DA can either be connected to VSS or left
open in VCTCXO module end-user application.
Note 3:
Die map reference is the actual left bottom corner of the sawn chip.
3 (9)
MAS [ MICRO ANALOG SYSTEMS ]
