578L110ITT [CTS]
Clipped Sine Output Oscillator;
| 型号： | 578L110ITT |
| 厂家： | 
CTS |
| 描述： | Clipped Sine Output Oscillator 振荡器 |
| 文件： | 总3页 (文件大小：238K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 578
Stratum 3
Temperature Compensated Crystal Oscillator
FEATURES
Clipped Sine Output
Optional Voltage Control for Frequency Tuning [VCTCXO]
7.0mmx5.0mm Surface Mount Package
Frequency Range 5 – 52 MHz
Fundamental Crystal Design
Operating Voltage, +3.0Vdc, +3.3Vdc or +5.0Vdc
Overall Frequency Stability ±4.6ppm
Operating Temperature to -40°C to +85°C
Tape & Reel Packaging Standard, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
The Model 578, a quartz based analog TCXO with Clipped Sine output and optional frequency tuning, is suitable for
applications requiring Stratum 3 performance such as base stations, Microcells, Femtocells, 1588 and Synchronous
Ethernet timing, wireless communications, test and measurement.
ORDERING INFORMATION
578
SUPPLY VOLTAGE
PACKAGING OPTIONS
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc
T - 1k pcs./reel
FREQUENCY TUNING [A FC]
FREQUENCY
T = No AFC [TCXO]
A = ±5ppm - ±8ppm [VCTCXO]
[3 digits]
Product Frequency Code
Refer to document 016-1454-0,
Frequency Code Tables.
OPERATING TEMPERATURE RANGE
C = -20°C to +70°C
I = -40°C to +85°C
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING INFORMATION [reference]
Device quantity is 1k pcs. maximum per 180mm reel.
17.5
Ø13
2.0
4.0
8.0
Ø1.50
1.75
2.40
2.10
120°
16.0
8.40
7.90
Ø180
Ø60
5.70
5.40
Ø23
DIRECTION OF FEED
Dimensions in Millimeters
Dimensions in Millimeters
Document No. 008-0344-0
Page 1 - 3
Rev. B
www.ctscorp.com
Model 578
Stratum 3 TCXO/VC-TCXO – Clipped Sine
ELECTRICAL CHARACTERISTICS
PARAMETER
Maximum Supply Voltage
Maximum Control Voltage
Storage Temperature
SYMBOL
CONDITIONS
MIN
-0.6
-0.5
-40
TYP
MAX
6.0
VCC
UNIT
V
V
VCC
VC
-
-
-
-
-
-
TSTG
+100
°C
Operating Temperature
Order Code 'C'
Order Code 'I'
TA
fO
-
-20
-40
+70
+85
°C
+25
-
Frequency Range
5
-
52
MHz
Supply Voltage
Order Code 'R'
Order Code 'L'
Order Code 'S'
Supply Current
2.85
3.14
4.75
-
3.0
3.3
5.0
-
3.15
3.47
5.25
3.5
VCC
±5%
V
ICC
mA
Frequency Stability
Overall Frequency Stability
vs. Initial Calibration
vs. Operating Temperature
vs. Supply Voltage
vs. Load
Reference to fO, Including 20 years aging
@ +25°C, at time of shipment
[Fmax. - Fmin.]/2, over -40°C to +85°C
±5% change @ +25°C
±5% change
20 years @ +40°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4.60
1.00
0.28
0.40
0.10
2.80
0.37
∆f/fO
± ppm
∆f/f25
vs. Aging
Holdover
∆f/fO
VC
[Fmax. - Fmin.]/2, over 24 hours
Control Voltage
-
VC = 1.5V ±1.0V, monotonic positive
-
0.5
1.5
5 - 8
2.5
V
[VCTCXO Only]
Frequency Tuning
-
± ppm
kOhm
VC Input Impedance
Output Waveform
Output Voltage Levels
Output Load
ZVC
100
0.8
-
-
-
AC coupled Clipped Sinewave
-
Vp-p
10kOhm // 10pF
RL // CL
SYM
TS
-
Output Duty Cycle
@ 50% Level
-
45
-
-
55
%
Start Up Time
-
2
ms
Enable Function
Enable Input Voltage
VIH
VIL
-
Pin 8 Logic '1', Output Enabled
Pin 8 Logic '0', Output Disabled [High Imp]
-
0.7*VCC
-
-
-
-
V
Disable Input Voltage
0.3*VCC
1
dBc/Hz
Phase Noise
Notes:
Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below.
1.
Document No. 008-0344-0
Page 2 - 3
Rev. B
Model 578
Stratum 3 TCXO/VC-TCXO – Clipped Sine
MECHANICAL SPECIFICATIONS
MARKING INFORMATION
PACKAGE DRAWING
1. M578 – CTS Model Series.
2. ● – Pin 1 identifier.
3. C – CTS identifier.4.
4. D – Date code. See Table II for codes.
5. xxx – Frequency Code.
Refer to document 016-1454-0, Frequency Code Tables.
M578
● CDXXX
NOTES
1. DO NOT make connections to non-labeled pins.
Castellation pins may have internal connections
used in the manufacturing process.
2. Termination pads (e4); barrier plating is nickel
[Ni] with gold [Au] flash plate.
3. Reflow conditions per JEDEC J-STD-020,
260°C maximum.
4. MSL = 1.
SUGGESTED SOLDER PAD GEOMETRY
D.U.T. PIN ASSIGNMENTS
PIN SYMBOL
DESCRIPTION
4
5
8
9
GND
Output
EOH
Circuit & Package Ground
Clipped Sine Wave Output
Tri-State Enable
VCC
Supply Voltage
Control Voltage – VCTCXO [Note 1]
GND - TCXO
10
VC
NOTES
1. Connect to ground for TCXO [no AFC] option.
2. DC-Cut Capacitor Required.
Add 1000pF capacitor between TCXO output and input of load.
TEST CIRCUIT – CLIPPED SINE LOAD
TABLE II – DATE CODE
MONTH
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
A
N
a
B
P
b
p
C
Q
c
D
R
d
r
E
S
e
s
F
T
f
G
U
g
H
V
h
v
J
W
j
K
X
k
x
L
Y
l
M
Z
m
z
n
q
t
u
w
y
Document No. 008-0344-0
Page 3 - 3
Rev. B
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