SM802110 Datasheet, PDF (4/7 Pages) Micrel Semiconductor – ClockWorks™ CPRI 153.6MHz Ultra-Low Jitter, LVPECL Frequency Synthesizer

Micrel, Inc.
LVCMOS (PLL_BYPASS) DC Electrical Characteristics⁽⁴⁾
V_DD = 3.3V ±5% or 2.5V ±5%, T_A = –40°C to +85°C.
Symbol Parameter
Condition
Min.
V_IH
Input High Voltage
2
V_IL
Input Low Voltage
−0.3
I_IH
Input High Current V_DD = V_IN = 3.465V
I_IL
Input Low Current V_DD = 3.465V, V_IN = 0V
−5
SM802110
Typ.
Max.
V_DD + 0.3
0.8
150
Units
V
V
μA
μA
REF_IN DC Electrical Characteristics⁽⁴⁾
V_DD = 3.3V ±5% or 2.5V ±5%, T_A = –40°C to +85°C.
Symbol Parameter
Condition
V_IH
Input High Voltage
V_IL
Input Low Voltage
I_IN
Input Current
V_DD = 3.465V, V_IN = 0V to V_DD
Min.
1.1
−0.3
−5
Typ.
Max.
V_DD + 0.3
0.6
5
Units
V
V
μA
AC Electrical Characteristics^{(4, 5)}
V_DD = V_DDO = 3.3V ±5% or 2.5V ±5%
V_DD = 3.3V ±5%, V_DDO = 3.3V ±5% or 2.5V ±5%
T_A = −40°C to +85°C. R_L = 50Ω to V_DDO − 2V
Symbol Parameter
Condition
Min.
F_OUT
Output Frequency
F_REF
Reference Input Frequency
T_R/T_F
LVPECL Output Rise/Fall Time 20% – 80%
80
ODC
Output Duty Cycle
48
T_LOCK
PLL Lock Time
T_jit(∅)
RMS Phase Jitter ⁽⁶⁾
Output = 153.6 MHz Integration
Range (2MHz – 20MHz)
Spurious Noise Components
30.72MHz
Notes:
5. All phase noise measurements were taken with an Agilent 5052B phase noise system.
6. Ref_IN driven with a low noise source ClockWorks SM802001 programmed for a 30.77MHz CMOS output.
Typ.
153.6
30.72
175
50
99
−70
Max.
350
52
20
Units
MHz
MHz
ps
%
ms
fs
dBc
January 2011
4
M9999-012111-A
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