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M675 Datasheet PDF : 6 Pages
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Integrated
Circuit
Systems, Inc.
M675
VOLTAGE CONTROLLED SAW OSCILLATOR
Preliminary Information
ELECTRICAL SPECIFICATIONS FOR M675-02
DC Characteristics for M675-02
Unless stated otherwise, VCC = 3.3 Volts + 10%, TA = 0 to 85 oC, VCSO Freq. = 622.08 MHz, Outputs terminated into 180Ω to ground
Symbol Parameter
Pin
Min Typ Max Unit
Power Supply VCC
ICC
Control
VIN
Voltage
Clock Enable
Pull-up1
VIH
VIL
Positive Supply Voltage
VCC
Power Supply Current
Input Control Voltage Range
VIN
VIN Input Impedence
Input High Voltage
Input Low Voltage
2.97
3.3
3.63 V
85
125 mA
0
3.3 V
100
kΩ
2
Vcc + 0.3 V
-0.3
0.8 V
IIH
Input High Current
CLK_EN
5 µA
IIL
Input Low Current
-150
µA
Rpullup Internal Pull-up Resistor
51
kΩ
Differential VOH
Outputs
VOL
VP-P
Output High Voltage
Output Low Voltage
FOUT, nFOUT
Peak to Peak Output Voltage2
Vcc - 0.98
Vcc - 1.95
0.450
0.625
IOUT
Output Current
Note 1: Internally pulled up to Logic 1 (normal operation) if left unselected.
Note 2: Single-ended measurement. See Figure 3, Output Rise and Fall Time, on pg. 5.
Vcc - 0.75 V
Vcc - 1.63 V
0.85 VP-P
20 mA
Table 7: DC Characteristics for M675-02
AC Characteristics for M675-02
Unless stated otherwise, VCC = 3.3 Volts + 10%, TA = 0 to 85 oC, VCSO Freq. = 622.08 MHz, Outputs terminated into 180Ω to ground
Symbol Parameter
Min Typ Max Unit Notes
Control Voltage VIN Modulation Bandwidth VIN
500
kHz
Output
FOUT Output Center Frequency Range M675-02
APR Absolute (Guaranteed) Pull-Range 1
500
±100
700 MHz
ppm
fSTAB Frequency Stability
100
LIN
Tuning Linearity
6
KVCO VCO Gain
400
Non-harmonic Spurious
-50
-77
Φn SSB (single sideband) 100Hz Offset
-48
Phase Noise, offset
1kHz Offset
-75
from carrier
10kHz Offset
-99
100kHz Offset
-124
1MHz Offset
-142
J(t) Jitter (rms)
12kHz to 20MHz
0.30
50kHz to 80MHz
0.18
odc Output Duty Cycle 2
45
tR
Output Rise Time 2 for FOUT, nFOUT
275
tF
Output Fall Time 2 for FOUT, nFOUT
275
Note 1: Also fully meets ±50 ppm minimum pull-range specification that is commonly required.
Note 2: See Parameter Measurement Information on pg. 5.
ppm p-p At any givin VIN
%
VIN = 0.3 to 3.0V
Best fit straight line
ppm/V VIN = 0.3 to 3.0V
dBc
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps rms
ps rms
55 %
400 ps
20% to 80%
400 ps
20% to 80%
Table 8: AC Characteristics for M675-02
M675 Datasheet Rev 0.4
4 of 6
Revised 16Nov2004
Integrated Circuit Systems, Inc. ● Networking & Communications ● www.icst.com ● tel (508) 852-5400
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