345

 Model 345 HFF LVPECL VCXO Features 
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Ceramic Surface Mount Package Ultra‐Low Phase Jitter Performance High Frequency Fundamental Crystal Design Frequency Range 100 – 250MHz * +3.3V Operation Output Enable Standard Tape and Reel Packaging, EIA‐418 Part Dimensions: 5.0 × 3.2 × 1.2mm • 62.28mg Applications 
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Small Cells Wireless Communication Broadband Access SONET/SDH/DWDM Base Stations Ethernet/GbE/SyncE Digital Video Test and Measurement Standard Frequencies ‐ 100.00MHz ‐ 122.88MHz ‐ 125.00MHz ‐ 153.60MHz ‐ 155.52MHz ‐ 156.25MHz ‐ 166.00MHz ‐ 200.00MHz ‐ 204.80MHz ‐ 245.76MHz * * Check with factory for availability. Description CTS Model 345 is a low cost, small size, high performance VCXO. Employing the latest IC technology, coupled with a high frequency fundamental crystal, M345 has excellent stability and low jitter/phase noise performance. Ordering Information
Model
345
Supply
Voltage
L
Absolute
Pull Range
B
Voltage
Code
+3.3V ±5%
L
Frequency Stability
3
Code
3
5
6
Code
B
APR
3
±50ppm Temperature Range
I
Stability
±50ppm
±25ppm
Frequency Code
[MHz]
XX X or XX XX
Code
Packaging
T
Frequency
2
Product Frequency Code 1
±20ppm Code Temp. Range
‐20°C to +70°C
C
‐40°C to +85°C
I
Packing
Code
1k pcs./reel
T
Notes:
1] Only available with "C" temperature range.
2] Refer to document 016‐1454‐0, Frequency Code Tables.
3‐digits for frequencies <100MHz, 4‐digits for frequencies 100MHz or greater.
3] Frequencies ≥200MHz, APR is ±30ppm.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
DOC# 008‐0553‐0 Rev. A Page 1 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Electrical Specifications Operating Conditions
P ARAMETER
Maximum Supply Voltage
SYMBO L
CO NDITIO NS
MIN
TYP
MAX
UNIT
VCC
‐
‐0.3
‐
5.0
V
Maximum Control Voltage
VC
‐
‐0.5
‐
VCC
V
Supply Voltage
VCC
±5%
3.14
3.3
3.47
V
Supply Current
ICC
Typical @ LVPECL Load, TA = +25°C
‐
65
80
mA
O utput Load
RL
Terminated to VCC ‐ 2.0V
‐
50
‐
Ohms
O perating Temperature
TA
‐
TSTG
‐
‐40
SYMBO L
CO NDITIO NS
MIN
Storage Temperature
‐20
‐40
+25
+70
+85
°C
‐
+100
°C
TYP
MAX
UNIT
Frequency Stability
P ARAMETER
Frequenc y Range
Frequenc y Stability
[Note 1]
Absolute P ull Range
[Note 2 ]
Aging
fO
‐
100 ‐ 250
Δf/fO
±20ppm stability, ‐20°C to +70°C only
20, 25 or 50
APR
Frequencies ≥200MHz, APR is ±30ppm
50
‐
‐
±ppm
Δf/f25
First Year @ +25°C, nominal VCC and VC
‐3
‐
3
ppm
TYP
MAX
UNIT
MHz
±ppm
1.] Inc lusive of initial toleranc e at time of shipment, c hanges in supply voltage, load, temperature and 1st year aging.
2.] Minimum guaranteed frequenc y shift from fO over variations in temperature, aging, power supply and load.
Output Parameters
P ARAMETER
SYMBO L
CO NDITIO NS
O utput Type
‐
‐
VOH
LVPECL Load, ‐40°C to +85°C
VCC ‐ 1.085
‐
VCC ‐ 0.880
VOL
LVPECL Load, ‐40°C to +85°C
VCC ‐ 1.810
‐
VCC ‐ 1.620
O utput Duty Cyc le
SYM
@ VCC ‐ 1.3V
45
‐
55
Rise and Fall Time
TR, TF
@ 20%/80% Levels
‐
0.3
1.0
ns
TS
Application of VCC
‐
5
10
ms
Enable Input Voltage
VIH
Pin 2 Logic '1', Output Enabled
0.7VCC
‐
‐
V
Disable Input Voltage
VIL
Pin 2 Logic '0', Output Disabled
‐
‐
0.3VCC
V
Standby Current
ISTB
Pin 2 Logic '0', Output Standby
‐
‐
10
µA
O utput Voltage Lev els
Start Up Time
MIN
LVPECL
‐
V
%
Enable Func tion
Enable Time
TPLZ
Pin 2 Logic '1'
‐
‐
20
µs
P hase Jitter, RMS
tjrms
Bandwidth 12 kHz ‐ 20 MHz
‐
90
500
fs
‐
See Typical Plots
‐
‐
‐
‐
P hase Noise
Enable Truth Table Pin 2 Pin 4 & 5 Logic ‘1’ Open Logic ‘0’ Output Output High Imp. DOC# 008‐0553‐0 Rev. A Page 2 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Electrical Specifications Control Voltage
P ARAMETER
Con trol Voltage
Frequenc y Deviatio n
Linearity
SYMBO L
CO NDITIO NS
MIN
TYP
MAX
UNIT
VC
‐
0.30
1.65
3.00
V
Δf/fO
VC = 0.0V
‐155 to ‐75
VC = 3.3V
75 to 155
L
Best Straight Line Fit
Gain Transfer
KV
Input Impedanc e
ZVc
Modulation Ro ll‐off
Transfer Func tion
ppm
‐
5
Pull Sensitivity; @ +1.65V, +25°C
‐
75
‐
ppm/V
‐
10
‐
‐
MOhms
‐
@ ‐3dB
25
‐
‐
kHz
‐
‐
Positive
10
%
‐
Test Circuit LVPECL Output Waveform LVPECL DOC# 008‐0553‐0 Rev. A Page 3 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Electrical Specifications Performance Data Frequency Deviation – Over Temperature [typical] 122.88MHz, VCC = 3.3V, VC = 1.65V 156.25MHz, VCC = 3.3V, VC = 1.65V Frequency Deviation – Pulling Range [typical] 122.88MHz, VCC = 3.3V, TA = +25°V 156.25MHz, VCC = 3.3V, TA = +25°V Frequency Deviation – Gain Transfer [typical] 122.88MHz, VCC = 3.3V, TA = +25°V 156.25MHz, VCC = 3.3V, TA = +25°V DOC# 008‐0553‐0 Rev. A Page 4 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Electrical Specifications Performance Data Phase Noise [typical] 122.88MHz, VCC = 3.3V, VC = 1.65V, TA = +25°C 156.25MHz, VCC = 3.3V, VC = 1.65V, TA = +25°C DOC# 008‐0553‐0 Rev. A Page 5 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Mechanical Specifications Package Drawing Marking Information 1. 2. 3. 4. 5. ** ‐ Manufacturing Site Code. D – Date Code. See Table I for codes. ST – Frequency Stability/Temperature Code. [Refer to Ordering Information] V – Voltage Code. L = 3.3V xxxx – Frequency Code. 4‐digits required for frequencies 100MHz and above. [See document 016‐1454‐0, Frequency Code Tables.] CTS**D 345STV ● xxxx Recommended Pad Layout Notes 1. Termination pads (e4). Barrier‐plating is nickel [Ni] with gold [Au] flash plate. 2. Reflow conditions per JEDEC J‐STD‐020; +260°C maximum, 20 seconds. 3. MSL = 1. Pin Assignments Pin Symbol Function 1 2 3 4 5 6 VC EOH GND Output Output VCC Control Voltage Enable Circuit & Package RF Output RF Output, Complementary Supply Voltage Table I ‐ Date Code MO NTH
2001
2002
2003
2004
YEAR
2005 2009
2006 2010
2007 2011
2008 2012
2013
2014
2015
2016
2017
2018
2019
2020
JAN
FEB
MAR
AP R
MAY
JUN
JUL
AUG
SEP
O CT
NO V
DEC
A
N
a
n
B
P
b
p
C
Q
c
q
D
R
d
r
E
S
e
s
F
T
f
t
G
U
g
u
H
V
h
v
J
W
j
w
K
X
k
x
L
Y
l
y
M
Z
m
z
DOC# 008‐0553‐0 Rev. A Page 6 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Packaging ‐ Tape and Reel Tape Drawing Reel Drawing Notes 1. Device quantity is 1k pieces maximum per 180mm reel. 2. Complete CTS part number, frequency value and date code information must appear on reel and carton labels. DOC# 008‐0553‐0 Rev. A Page 7 of 7 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.