THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX (630) 851-5040.
PHONE (630) 851-4722.
HTTP://WWW.CONWIN.COM
P R O D UC T D ATA S H E E T
CRYSTAL CONTROLLED OSCILLATORS
3.3V SURFACE MOUNT VCSO OSCILLATOR
VSPML634C
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TABLE 1.0
NOTE
UNITS
MINIMUM NOMINAL MAXIMUM
UNITS
°C
Storage Temperature
Supply Voltage
-55
-0.5
-0.5
-
-
-
125
7.0
7.0
(Vcc)
(Vc)
Vdc
Vdc
DESCRIPTION
Control Voltage
The Connor-Winfield
OPERATING SPECIFICATIONS
PARAMETER
TABLE 2.0
NOTE
VSPML634C is a 3.3V Voltage
Controlled SAW Oscillator
(VCSO) with Differential LVPECL
outputs and a CMOS
Enable/Disable input. The
VSPML634C is designed for use
with PLL systems in SONET/SDH
systems requiring low jitter and
tight stability. No uses of
MINIMUM NOMINAL MAXIMUM
UNITS
622.0800
644.5313
666.0800
690.5692
-
-
150
85
3.465
80
3.0
0.5
-
Center Frequency
(Fo)
693.4830
MHz
ppm
Frequency Stability
-150
-
-
1
Operating Temperature Range
Supply Voltage
-40
°C
(Vcc)
(Icc)
3.135
3.3
-
Vdc
Supply Current
-
-
-
-
-
-
-
mA
Jitter (BW=10Hz to 20MHz)
Jitter (BW=12kHz to 80MHz)
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
SSB Phase Noise at 10KHz offset
SSB Phase Noise at 100KHz offset
-
ps rms
ps rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
-
multiplication schemes are used
in this oscillator design.
-70
-105
-145
-155
-
-
-
INPUT CHARACTERISTICS
PARAMETER
TABLE 3.0
NOTE
FEATURES
MINIMUM NOMINAL MAXIMUM
UNITS
Vdc
Control Voltage Range
Pull Slope
(Vc)
0.3
-
1.65
3.0
250
-
-
ppm / V
ppm
%
2
3
J LEADED SURFACE MOUNT PACKAGE
3.3V OPERATION
Absolute Pull Range (APR)
Monotonic Linearity
+/-50
-20
-
-
-
20
-
Input Impedance
50K
Ohm
KHz
Vdc
LOW JITTER <0.5pS RMS
-
-
-
Modulation Bandwidth (3dB)
10
2.0
-
-
CMOS - Enable Input Voltage
CMOS - Disable Input Voltage
(High)
(Low)
(Vih)
(Vil)
-
4
4
FREQUENCY STABILITY: ±150ppm
TEMPERATURE RANGE: -40 to 85°C
DIFFERENTIAL LVPECLOUTPUTS
ENABLE / DISABLE FUNCTION
TAPEAND REEL PACKAGING
0.4
Vdc
LOW VOLTAGE PECL OUTPUT CHARACTERISTICS
PARAMETER
TABLE 4.0
NOTE
5
MINIMUM NOMINAL MAXIMUM
UNITS
Ohms
Vdc
Vdc
%
LOAD
-
-
-
50
-
Voltage (High)
(Voh)
(Vol)
2.275
Voltage (Low)
-
45
-
-
1.68
55
Duty Cycle at 50% Level
Rise / Fall Time 20% to 80%
50
250
400
pS
PACKAGE CHARACTERISTICS
TABLE 5.0
Package
Hermetically sealed, J leaded ceramic surface mount package.
ORDERING INFORMATION
Notes
VSPML634C - 622.08MHz
1.0
2.0
3.0
Frequency stability vs. temperature. Control voltage (Vc) = 1.65 Vdc.
Referenced to Fo @ 25°C. Positive Slope.
Absolute pull range (APR) is the minimum guaranteed pull range of the VCXO under all conditions for ten year lifetime
operation. The APR is referenced to Fo.
VCSO
CENTER
FREQUENCY
SERIES
4.0
5.0
With no connect on the enable / disable pin (pin 2) output is enabled. When oscillator is disabled the true output is in a
low state (Vol) and the complementary output is in the high state (VoH)
50 ohm termination into Vcc-2V or Thevein equivalent.
Specifications subject to change without notice.
10/20/04
Vs005
1
2
01
REV:
Copyright 2001 Connor-Winfield all rights reserved.
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