MODEL 325
9x14mm VCXO
APPLICATIONS
SONET/SDH
Clock and Data Recovery
Frequency Translation
Base Stations/Picocells
Test Equipment
FEATURES
•
•
•
•
•
•
•
•
•
Industry Standard 9x14mm SMT Footprint
Output Frequencies from 15 MHz to 160 MHz
+3.3 or 5.0 Vdc Supply Voltage Option
-40°C to +85°C Temperature Range
HCMOS, PECL, LVPECL, or LVDS output
± 10 ppm Absolute Pull Range (APR)
Low Phase Noise
Tape & Reel Packaging
Fully Compliant to RoHS Directive 2002/95/EC
DESCRIPTION
The CTS Model 325 VCXO platform is a versatile ,
small size, high performance SMT VCXO. The high
quality CTS Quartz Crystal used in this VCXO offers
very low phase noise and low jitter, making it the
ideal choice for any telecommunications system.
ELECTRICAL SPECIFICATIONS
Parameter
Operating Conditions
Output Frequency Range
Operating Temperature Range
Storage Temperature Range
Maximum Supply Voltage Range
Operating Supply Voltage (Vcc)
Supply Current (Icc); Vcc=5.0V
f
NOM
T
O
T
S
V
CC
5.0V, ±5%
3.3V, ±5%
Option B
Option A
Conditions & Remarks
Min
Typical
19.2, 52,
61.44,100
122.88,125
155.52
-
-
-
5.0
3.3
15
70
15
60
45
C
L
= 15 pF
Max
Unit
15
-40
-55
-0.5
4.75
3.135
-
-
-
-
-
160
85
125
7.0
5.25
3.465
25
85
25
75
60
MHz
°C
°C
Vdc
Vdc
mA
Vcc = 5.0 Vdc ; HCMOS output
Vcc = 5.0 Vdc ; PECL output
Vcc = 3.3 Vdc ; LVCMOS output
Supply Current (Icc) ; Vcc=3.3V
Vcc = 3.3 Vdc ; LVPECL output
Vcc = 3.3 Vdc ; LVDS output
HCMOS / LVCMOS
mA
Load
PECL / LVPECL
LVDS
50Ω to Vcc – 2V, or equivalent
100Ω (differential)
Revision X1
Page 1 - 5
٠ ٠ ٠
CTS Communications Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
Phone 630-924-3500
٠
www.ctscorp.com
٠
Toll Free 800-757-6686
٠ ٠ ٠
MODEL 325
9x14mm VCXO
ELECTRICAL SPECIFICATIONS (continued)
Parameter
Frequency Stability
Calibration
Frequency vs. Temperature
Frequency vs. Voltage
Frequency vs. Load
Frequency vs. Time (Aging)
Conditions & Remarks
∆f/f
NOM
; T
A
= 25°C; V
C
= 0.5 x Vdc
V
CC
= nominal; at time of shipment
ref to T
A
= 25°C; V
C
= constant
V
CC
= V
CC
± 5%; V
C
= constant
±
10% load variation; V
C
= constant
15 years
Min
-
-
-
-
-
Typical
±
10
±
15
±
1
±
1
±
8
Max
±20
±25
±2
±2
±20
Unit
ppm
ppm
ppm
ppm
ppm
Electronic Frequency Control
Input Impedance
Control Voltage Range
Pullability
Absolute Pull Range
Bandwidth
Linearity
Z
i
V
C
; positive monotonic transfer
T
A
= 25°C; ref. to V
C
= 0.5 x Vcc
V
C
= 0V to Vcc
APR; all causes (see note 1)
V
C
= 0 to Vcc
-3dB; V
C
= 0.5 * V
CC
Deviation from best linear fit
100
0
±50
± 10
10
-
500
-
± 75
±50
-
±5
-
Vcc
-
-
-
±10
kΩ
Vdc
ppm
ppm
kHz
%
Output Parameters
Output Level: HCMOS/LVCMOS
Option C
(Maximum frequency = 125 MHz)
Output Level: PECL/LVPECL
Option P
Output Level: LVDS
Option L
Rise/Fall Times (20% - 80%)
Duty Cycle
Start up time
Spurious
Non and Sub-Harmonics
Phase Jitter; 155.52 MHz
12 KHz – 20 MHz bandwidth
offset = 10Hz
100Hz
Phase Noise: HCMOS/LVCMOS
Typical, 122.88
MHz
1kHz
10kHz
100kHz
offset = 10Hz
100Hz
Phase Noise: PECL/LVPECL
Typical, 155.52
MHz
1kHz
10kHz
100kHz
Page 2 - 5
V
OL
V
OH
V
OL
V
OH
Differential Output Swing; R
L
= 100Ω
PECL/LVPECL/LVDS
HCMOS/LVCMOS ;
@ 50% waveform level
V
CC
@ nominal, V
C
= 0 to V
CC;
;
T
O
= -40°C to 85°C
to reach 90% of final amplitude
C
L
= 15pF
Vcc -
1.025
247
-
-
40
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C
L
= 15pF
C
L
= 15pF
-
0.9 x
Vcc
-
-
-
350
0.300
3
50
15
-
-
0.4
-65
-95
-125
-145
-158
-60
-90
-120
-142
-152
0.1 x Vcc
-
Vcc – 1.62
V
V
mV
ns
%
ms
dBc
dBc
ps
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Revision X1
-
454
0.450
5
60
50
-100
-100
1
-
-
-
-
-
-
-
-
-
-
٠ ٠ ٠
CTS Communications Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
Phone 630-924-3500
٠
www.ctscorp.com
٠
Toll Free 800-757-6686
٠ ٠ ٠
MODEL 325
9x14mm VCXO
offset = 10Hz
100Hz
Phase Noise: LVDS
Typical @125 MHz
1kHz
10kHz
100kHz
Output Disable
(Option E)
Output Enable
NOTE 1:
Outputs Disabled with Pad 2 @ Logic “1”
Outputs Enabled with Pad 2 @ Logic “0” or floating
-
-
-
-
-
-65
-95
-125
-140
-145
-
-
-
-
-
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Minimum guaranteed frequency shift (∆f/f
NOM
) under all conditions (inc. temperature, aging, supply voltage, load) for 15 years
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MANUFACTURING SITE CODE
Ø0.64 [.025] TYP
14.2 [.559] MAX
4
5
6
5.08 [0.200]
2.54 [0.100]
SOLDER RESIST MASK
CTS XX
325APN155.5200
YYWW
9.1 [.358] MAX
6.40 [0.252]
3
DATE CODE
PIN #1 MARK
1.02 [0.040]
5.5 [.217] MAX
.64 [0.025] REF
2
1
4.44 [0.175] REF
HATCHING INDICATES
BARRIER COVERING
OVER RESIST MASK
OVER GROUND PLANE
.64 [0.025] REF
ALL DIMENSIONS ARE IN MM [INCHES].
ALL DIMENSIONS ARE NOMINAL UNLESS OTERWISE SPECIFIED.
Co-Planarity (from seating plane): 0.1 [.004] MAX
Lead Termination Finish: Gold Flash, <10 micro inch, over Ni plated Cu.
MARKING INFORMATION
CTS XX - Manufacturing Site Code.
CTS Part Number
(Frequency marked with 4 significant digits after decimal point)
YYWW – Date code, YY – year, WW – week.
PIN ASSIGNMENT
1.
Vc – Control Voltage
2.
Enable/Disable or NC
3.
Ground
4.
RF Output
5.
Complimentary Output
or NC
6.
V
CC
– Supply Voltage
Page 3 - 5
Revision X1
٠ ٠ ٠
CTS Communications Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
Phone 630-924-3500
٠
www.ctscorp.com
٠
Toll Free 800-757-6686
٠ ٠ ٠
MODEL 325
9x14mm VCXO
MECHANICAL SPECIFICATIONS (continued)
SUGGESTED SOLDER PAD GEOMETRY
dimensions in inches [mm]
2.54
[.100]
5.08
[.200]
1.27
[.050]
6.15
[.242]
9.86
[.388]
MAXIMUM SOLDERING PROFILE
Temperature
>217°C
Time
2.5 minutes maximum
Note: Part is not designed to be reflowed in an inverted position.
260°C maximum
10 seconds maximum
TAPE AND REEL INFORMATION
DIMENSIONS IN MILLIMETERS
17.5
Ø13
4.0
16.0
Ø1.50
1.75
6.2
6.0
2.0
120°
14.80
14.60
24.0
Ø60
Ø330
9.90
9.70
DIRECTION OF FEED
Ø23
Device quantity is max. 1000 pieces per 330mm reel.
Page 4 - 5
Revision X1
٠ ٠ ٠
CTS Communications Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
Phone 630-924-3500
٠
www.ctscorp.com
٠
Toll Free 800-757-6686
٠ ٠ ٠
MODEL 325
9x14mm VCXO
ENVIRONMENTAL SPECIFICATIONS
RoHS :
Temperature Cycle :
Mechanical Shock :
Sinusoidal Vibration :
Resistance to Solder Heat :
High Temperature Operating Bias :
Frequency Aging :
Moisture Sensitivity :
Lead-Free and fully compliant to RoHS Directive 2002/95/EC
400 cycles from –55°C to +125°C, 10 minute dwell at each temperature,
1 minute transfer time between temperatures.
1,000g’s, 0.3mS duration, ½ sinewave, 3 shocks each direction
along 3 mutually perpendicular planes (18 total shocks).
0.06 inches double amplitude, 10 to 55 Hz and 10g’s, 55 to 2,000 Hz,
3 cycles each in 3 mutually perpendicular planes (9 times total).
3 reflows of +260°C peak, 10 seconds maximum.
2,000 hours at +125°C, maximum bias, disregarding frequency shift.
1,000 hours at +85°C, full bias, less than ±3 ppm shift typical.
Level 1
Model 325 Standard Options:
Frequency in MHz
Model 325
____
.
________
P/N example: 325APN155.5200
Supply Voltage
A = 3.3Vdc
B = 5.0 Vdc
Output Waveform
C = HCMOS
P = PECL
L = LVDS
Enable/Disable
E = Enable/Disable function
N = No Enable/Disable function
Page 5 - 5
Revision X1
٠ ٠ ٠
CTS Communications Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
Phone 630-924-3500
٠
www.ctscorp.com
٠
Toll Free 800-757-6686
٠ ٠ ٠
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