
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 HE E T
Specifications subject to change without notice.
Copyright 2001 Connor-Winfield all rights reserved.
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CRYSTAL CONTROLLED OSCILLATORS
The Connor-Winfield VSPM634D
is a 5.0V Voltage Controlled SAW
Oscillator (VCSO) with
Differential PECL outputs and a
CMOS Enable/Disable input. The
VSPM634D is designed for use
with PLL systems in SONET/SDH
systems requiring low jitter and
tight stability. No multiplication
schemes are used in this
oscillator design.
1
2
VSPM634D - 622.08MHz
VCSO
SERIES
CENTER
FREQUENCY
FEATURES
DESCRIPTION
ORDERING INFORMATION
J LEADED SURFACE MOUNT PACKAGE
5.0V OPERATION
LOW JITTER <0.5pS RMS
FREQUENCY STABILITY: ±150ppm
TEMPERATURE RANGE: -40 to 85°C
DIFFERENTIAL PECL OUTPUTS
ENABLE / DISABLE FUNCTION
TAPE AND REEL PACKAGING
5.0V SURFACE MOUNT VCSO OSCILLATOR
Vs011
00
10/19/04
VSPM634D
C
V
6
Notes
1.0
2.0
3.0
Frequency stability vs. temperature. Control voltage (Vc) = 2.50 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.
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.
4.0
5.0
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Storage Temperature
Supply Voltage
Control Voltage
OPERATING SPECIFICATIONS
PARAMETER
TABLE 1.0
NOTE
UNITS
(Vcc)
(Vc)
MINIMUM
-55
-0.5
-0.5
NOMINAL MAXIMUM
-
-
-
NOMINAL MAXIMUM
622.0800
644.5313
666.0800
690.5692
693.4830
-
-
5.0
-
-
-
-70
-105
-145
-155
NOMINAL
2.5
250
-
-
50K
-
-
-
NOMINAL
-
-
-
50
250
UNITS
°C
Vdc
Vdc
125
7.0
7.0
TABLE 2.0
NOTE
MINIMUM
UNITS
Center Frequency
Frequency Stability
Operating Temperature Range
Supply Voltage
Supply Current
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
INPUT CHARACTERISTICS
PARAMETER
Control Voltage Range
Pull Slope
Absolute Pull Range (APR)
Monotonic Linearity
Input Impedance
Modulation Bandwidth (3dB)
CMOS - Enable Input Voltage (High)
CMOS - Disable Input Voltage (Low)
LOW VOLTAGE PECL OUTPUT CHARACTERISTICS
PARAMETER
LOAD
Voltage (High)
Voltage (Low)
Duty Cycle at 50% Level
Rise / Fall Time 20% to 80%
PACKAGE CHARACTERISTICS
Package
(Fo)
(Vcc)
(Icc)
(Vc)
(Vih)
(Vil)
-
-
MHz
ppm
°C
Vdc
mA
ps rms
ps rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
-150
-40
4.75
-
-
-
-
-
-
-
150
85
5.25
80
3.0
0.5
-
-
-
-
1
TABLE 3.0
NOTE
MINIMUM
0.5
-
+/-100
-20
-
10
2.0
-
MAXIMUM
4.5
-
-
20
-
-
-
0.4
UNITS
Vdc
ppm / V
ppm
%
Ohm
KHz
Vdc
Vdc
2
3
4
4
TABLE 4.0
NOTE
MINIMUM
-
3.96
-
45
-
MAXIMUM
50
-
3.40
55
400
UNITS
Ohms
Vdc
Vdc
%
pS
5
(Voh)
(Vol)
TABLE 5.0
Hermetically sealed, J leaded ceramic surface mount package.