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SiT3701AC-24-25A-20.00000T

产品描述standard clock oscillators 20mhz 2.5volts apr30 100ppm -20c +70c
产品类别无源元件   
文件大小115KB,共4页
制造商SiTime
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SiT3701AC-24-25A-20.00000T概述

standard clock oscillators 20mhz 2.5volts apr30 100ppm -20c +70c

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SiT3701
Smallest Voltage Controlled MEMS Oscillator (VCMO)
Features, Benefits and Applications
The world’s only VCMO with programmable pull range: ±60 PPM, ±120 PPM, ±240 PPM
Typical pull range linearity of 0.06%
1-110 MHz frequency range
LVCMOS/LVTTL compatible output
Typical power consumption of 6.1 mA in active mode
Typical VCMO tuning voltage: 0 V to 1.85 V for all Vdds
Four industry-standard 4-pin packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm
All-silicon timing device with outstanding reliability of 2 FIT (10x improvement over
quartz-based devices), enhancing system MTBF
Ultra short lead time
Ideal for Set-top Box, DTV, DVD-R, instrumentation, low bandwidth analog PLL,
networking and communications
Specifications
Electrical Characteristics
Parameter
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-20
-25
-30
-50
Pull Range
[1,2]
Typ.
±60, ±120, ±240
0.06
Positive slope
1.8
2.5
2.8
3.3
6.7
6.1
1
1
Max.
110
+20
+25
+30
+50
1.85
0.1
0.25
+70
+85
1.89
2.75
3.08
3.63
7.5
6.7
55
60
2.0
2.5
Unit
MHz
PPM
PPM
PPM
PPM
PPM
V
V
%
°C
°C
V
V
V
V
mA
mA
%
%
ns
ns
%Vdd
Condition
Inclusive of: Initial stability, operating temperature, rated power,
supply voltage change, load change.
±20 PPM is available for extended commercial temperature
only.
PR
VC_U
VC_L
Lin
T_use
Vdd
1.55
0
-20
-40
1.71
2.25
2.52
2.97
45
40
90
Upper Control Voltage
Lower Control Voltage
Linearity
Frequency Change Polarity
Operating Temperature Range
Supply Voltage
All Vdds. Voltage at which maximum deviation (+60, +120,
+240 PPM) is guaranteed.
All Vdds. Voltage at which maximum deviation (-60, -120,
-240 PPM) is guaranteed.
Extended Commercial
Industrial
Current Consumption
Duty Cycle
Rise/Fall Time
Output Voltage High
Idd
DC
Tr, Tf
VOH
No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
No load condition, f = 20 MHz, Vdd = 1.8 V
All Vdds. f <= 75 MHz
All Vdds. f > 75 MHz
Vdd = 2.5, 2.8 or 3.3 V, 20% - 80% Vdd level
Vdd = 1.8 V, 20% - 80% Vdd level
IOH = -4 mA (Vdd = 3.3 V)
IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOH = -2 mA (Vdd = 1.8 V)
IOL = 4 mA (Vdd = 3.3 V)
IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOL = 2 mA (Vdd = 1.8 V)
Maximum frequency and supply voltage
Contact SiTime for higher output load
Time @ minimum supply voltage to be zero
f = 75 MHz, Vdd = 1.8 V
f = 75 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,
VDD = 2.5 V, 2.8 V, or 3.3 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,
VDD = 1.8 V
Output Voltage Low
VOL
10
%Vdd
Output Load
Start-up Time
RMS Period Jitter
RMS Phase Jitter (random)
Ld
T_osc
T_jitt
T_phj
0.6
0.8
15
10
6
4
pF
ms
ps
ps
ps
ps
Notes:
1. Absolute Pull Range (APR) is defined as the guaranteed pull range over temperature and voltage.
2. APR = pull range (PR) - frequency stability (F_stab).
SiTime Corporation
Rev. 1.51
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised August 9. 2010
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