MAX3624 Просмотр технического описания (PDF) - Maxim Integrated
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MAX3624 Datasheet PDF : 12 Pages
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Low-Jitter, Precision Clock Generator
with Four Outputs
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +3.6V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise
noted.) (Notes 1, 2, and 3)
PARAMETER
SYMBOL
CONDITIONS
REF_IN SPECIFICATIONS (Input DC- or AC-Coupled)
Reference Clock Frequency
PLL enabled
PLL bypassed
Input-Voltage High
VIH
Input-Voltage Low
VIL
Input High Current
IIH
VIN = VCC
Input Low Current
IIL
VIN = 0V
Reference Clock Duty Cycle
PLL enabled
Input Capacitance
QA_C SPECIFICATIONS
Output High Voltage
Output Low Voltage
VOH QA_C sourcing 12mA
VOL QA_C sinking 12mA
Output Rise/Fall Time
(Notes 3 and 6)
Output Duty Cycle Distortion
PLL enabled
PLL bypassed (Note 5)
Output Impedance
CLOCK OUTPUT AC SPECIFICATIONS
VCO Frequency Range
Random Jitter (Note 7)
RJRMS
12kHz to 20MHz
1.875MHz to 20MHz
Total Time Interval Error (TIE)
with Supply Noise
(Notes 7, 8, and 9)
LVPECL output
LVCMOS output
MIN TYP MAX UNITS
40.5
MHz
320
2.0
V
0.8
V
240
µA
-240
µA
30
70
%
2.5
pF
2.6
V
0.4
V
250
500 1000
ps
42
50
58
%
40
60
14
Ω
620
648
MHz
0.36
0.14
1.0
psRMS
14
psP-P
25
Total Time Interval Error (TIE)
Without Supply Noise
(Notes 7, 8)
Spurs Induced by Power-Supply
Noise (Notes 7, 9, 10)
Nonharmonic and Subharmonic
Spurs
LVPECL output, LVCMOS output
LVPECL output
LVCMOS output
0.9
psRMS
9
psP-P
-57
dBc
-47
-70
dBc
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