MAS9271 Просмотр технического описания (PDF) - Micro Analog systems
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MAS9271 Datasheet PDF : 5 Pages
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DA9271.005
13 July 2006
ELECTRICAL CHARACTERISTICS
(recommended operation conditions)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Frequency Range
fo
10.00
40.00
MHz
1)
Output Voltage (10 pF, Vdd 2.7V)
Vout
2.3
Vpp
Output Voltage (10 pF, Vdd 5.0V)
Vout
4.5
Vpp
Rise and Fall Time (10 - 50pF)
10
ns
Output Symmetry
45
55
%
Crystal Load
CG
5.1
11.5
pF
2)
Startup Time
TSTART
2
ms
Negative Resistance in Maximum NegR
85
CDAC Load at 32 MHz
Negative Resistance in Maximum NegR
40
CDAC Load at 40 MHz
Tri State Output Buffer
PD
ON State
1.6
OFF State
0
VDD
0.55
Ω
Ω
V
3)
Note 1: Rs < 10 Ω crystal provides typically a maximum frequency of 40 MHz and Rs<30 Ω a maximum
frequency of 32 MHz. With Rs = 50 Ω crystal the maximum frequency is typically 26 MHz.
Note 2: Crystal Load is at minimum when all CDAC bits are 0s, and at maximum when all CDAC bits are 1s
Note 3: If the Tri State Output Buffer pin is floating (i.e. PD pin is not connected), the Oscillator is in ON state.
IC OUTLINES
CLK DA
OUT
VSS
PV
MAS9271
VDD
X1
Die map reference
X2
PD
1200 µm
Note 1: Also available in AK2140 pin order.
Note 2: MAS9271 pads are round with 80 µm diameter at opening.
Note 3: Pins PV, CLK and DA must not be connected in PXO module end-user application.
3 (5)
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