Model 585
Temperature Compensated Crystal Oscillator
FEATURES
•
•
•
•
•
•
•
•
•
•
Clipped Sine Wave Output
Optional Voltage Control for Frequency Tuning [VCTCXO]
7.0mm x 5.0mm Surface Mount Package
Frequency Range 5 – 52 MHz
Fundamental Crystal Design
Frequency Stability, Options from, ±0.5ppm ~ ±2.5ppm
Operating Voltage, +2.8Vdc ~ +5.0Vdc
Operating Temperature to -40°C to +85°C
Tape & Reel Packaging Standard, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
The Model 585 is a quartz based analog TCXO with a Clipped Sine output and optional frequency tuning.
M585 is suitable for applications such as wireless communications, base stations, small cells, broadband access
and test equipment.
ORDERING INFORMATION
585
SUPPLY VOLTAGE
T = +2.8Vdc
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc
PACKAGING OPTIONS
T - 1k pcs./reel
FREQUENCY TUNING [AFC]
T = TCXO [no AFC]
A = ±5ppm minimum [VCTCXO]
B = ±8ppm minimum [VCTCXO]
[V
C
= +1.5Vdc ± 1.0Vdc]
OPERATING TEMPERATURE RANGE
H = -10°C to +60°C
C = -20°C to +70°C
D = -30°C to +85°C
I = -40°C to +85°C
1
FREQUENCY
Product Frequency Code
[3 digits]
Refer to document 016-1454-0,
Frequency Code Tables.
FREQUENCY STABILITY *
05
10
15
20
25
=
=
=
=
=
±
±
±
±
±
0.5
1.0
1.5
2.0
2.5
ppm
ppm
ppm
ppm
ppm
2
* Frequency vs. Temperature Only
1] Limited availability. Consult factory.
2] Only available with temperature range codes "H" and "C".
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
Document No. 008-0522-0
Page 1 - 3
Rev. B
www.ctscorp.com
TCXO/VCTCXO – Clipped Sine Wave
ELECTRICAL CHARACTERISTICS
PARAMETER
Maximum Supply Voltage
Maximum Control Voltage
Storage Temperature
Frequency Range
Frequency Stability
Frequency Stability
vs. Initial Calibration
vs. Reflow Shift
vs. Supply Voltage
vs. Load
vs. Aging
vs. Aging
Operating Temperature
Order Code 'H'
Order Code 'C'
Order Code 'D'
Order Code 'I'
Supply Voltage
Order Code 'T'
Order Code 'R'
Order Code 'L'
Order Code 'S'
Supply Current
Control Voltage
Frequency Tuning
[VCTCXO Only]
V
C
Input Impedance
Output Waveform
Output Voltage Levels
Output Load
Start Up Time
1
Model 585
SYMBOL
V
CC
V
C
T
STG
f
O
Δf/f
O
CONDITIONS
-
-
-
Std frequencies listed in Ordering Information
MIN
-0.5
-0.5
-55
5
Frequency vs. Temperature Only
TYP
-
-
-
-
0.5,1.0,
1.5,2.0,2.5
-
-
-
-
-
-
MAX
6.0
V
CC
+125
52
UNIT
V
V
°C
MHz
± ppm
-
ELECTRICAL PARAMETERS
@ +25°C
1 hour after reflow
±5% change
±10% change
1st year
10 year [Except stability code 05]
-
-
-
-
-
-
-10
-20
-30
-40
1.0
2.0
0.1
0.2
1.0
8.0
+60
+70
+85
+85
± ppm
T
A
-
+25
°C
V
CC
±5%
I
CC
V
C
-
ZV
C
V
O
R
L
// C
L
T
S
V
C
= 1.5V ±1.0V
-
-
-
Phase Noise
Notes:
1. Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below.
-
AC coupled Clipped Sinewave
-
-
-
-
2.66
2.8
2.94
2.85
3.0
3.15
3.14
3.3
3.47
4.75
5.0
5.25
-
-
3.5
0.5
1.5
2.5
A = 5 minimum
B = 8 minimum
100
-
-
0.8
-
-
10 kOhm // 10 pF
-
-
2
V
mA
V
± ppm
kOhm
Vp-p
ms
dBc/Hz
TEST CIRCUIT – Clipped Sine Load
Document No. 008-0522-0
Page 2 - 3
Rev. B
TCXO/VCTCXO – Clipped Sine Wave
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. M585 – CTS Model Series.
2.
●
– Pin 1 identifier.
3. C – CTS identifier.
4. D – Date code. See Table II for codes.
6. xxx – Frequency Code.
Refer to document 016-1454-0, Frequency Code Tables.
NOTES
1. DO NOT make connections to non-labeled pins or
castellations as they 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
1
2
3
4
SYMBOL
V
C
GND
Output
V
CC
DESCRIPTION
Control Voltage – VCTCXO [Note 1]
GND - TCXO
Circuit & Package Ground
Clipped Sine Wave Output
Supply Voltage
Model 585
M585
●
CDXXX
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.
TABLE II – DATE CODE
MONTH
YEAR
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
JAN
A
N
a
n
FEB
B
P
b
p
MAR
C
Q
c
q
APR
D
R
d
r
MAY
E
S
e
s
JUN
F
T
f
t
JUL
G
U
g
u
AUG
H
V
h
v
SEP
J
W
j
w
OCT
K
X
k
x
NOV
L
Y
l
y
DEC
M
Z
m
z
PACKAGING INFORMATION
[reference]
Device quantity is 1k pcs. maximum per 180mm reel.
4.0
8.0
Ø1.50
1.75
17.5
2.0
2.40
2.10
Ø13
120°
8.40
7.90
16.0
Ø60
Ø180
5.70
5.40
DIRECTION OF FEED
Dimensions in Millimeters
Ø23
Dimensions in Millimeters
Document No. 008-0522-0
Page 3 - 3
Rev. B
Power technology
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