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MAS9270CTG2 参数 Datasheet PDF下载

MAS9270CTG2图片预览
型号: MAS9270CTG2
PDF下载: 下载PDF文件 查看货源
内容描述: 集成电路10.00 - 30.00 MHz的VCTCXO [IC FOR 10.00 - 30.00 MHz VCTCXO]
分类和应用: 石英晶振温度补偿晶振
文件页数/大小: 9 页 / 129 K
品牌: MAS [ MICRO ANALOG SYSTEMS ]
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DA9270.008
11 September 2006
MAS9270
IC FOR 10.00 – 30.00 MHz VCTCXO
DESCRIPTION
The MAS9270 is an integrated circuit well suited to
build VCTCXO for mobile communication.
Temperature calibration is achieved in three
calibration temperatures only. The trimming is done
through a serial bus and the calibration information
is stored in an internal PROM. This means no
rework for trimming is needed.
To build a VCTCXO additionally only crystal is
required. The compensation method is fully analog,
working continuously without generating any steps
or other interference.
Wide Supply Voltage Range
True Sine Wave Output
Very High Level of Integration
Electrically Trimmable
Very Low Phase Noise
Low Cost
Minimum Operating Temperature –40 °
C
FEATURES
Very small size
Minor current draw
Wide operating temperature range
Phase noise <-120 dBc/Hz at 100Hz offset
Programmable VC-sensitivity
Minimum Operating Temperature –40 ° for
C
MAS9270Cxx3
APPLICATIONS
VCTCXO for mobile phones
VCTCXO for other telecommunications
systems
BLOCK DIAGRAM
4
4
DA
CLK
PV
VC
CUB
INF
SENS
LIN
f(T)
MAS9270
TE1
4
Σ
f(T)
8
T
Vref
TMux
TE2
CDAC1
8
VDD
CDAC2
2
OUT
X2
X1
VSS
1 (9)