581L400X2ITT

Document No. 008-0541-0 Page 1 - 3 Rev. A
www.ctscorp.com
Model 581
Stratum 3 Performance
Temperature Compensated Crystal Oscillator
ORDERING INFORMATION
581
FREQUENC
Y
1] Only available with temperature range codes "W" and "H".
2] Only available with temperature range codes "W", "H" and "C".
SUPPLY VOLTAGE
PACKAGING OPTIONS
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc T - 1k pcs./reel
FREQUENCY TUNING [AFC]
Product Frequency Code
[3 digits]
T = No AFC [TCXO]
A = ±5ppm - ±8ppm [VCTCXO]
Refer to document 016-1454-0, Frequency
Code Tables.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
OPERATING TEMPERATURE RANGE
FREQUENCY STABILITY *
W = 0°C to +55°C
H = -10°C to +60°C
C = -20°C to +70°C
D = -30°C to +85°C
I = -40°C to +85°C
X5 = ±0.05ppm
1
01 = ±0.10ppm
2
02 = ±0.20ppm
X2 = ±0.28ppm
05 = ±0.50ppm
* Frequency vs. Temperature Only
PACKAGING INFORMATION [reference]
Device quantity is 1k pcs. maximum per 180mm reel.
FEATURES
HCMOS Output
Optional Voltage Control for Frequency Tuning [VCTCXO]
5.0mm x 3.2mm Surface Mount Package
Frequency Range 5 – 52 MHz
Fundamental Crystal Design
Operating Voltage, +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 581 is a quartz based analog TCXO with a HCMOS output and optional frequency tuning.
M581 is suitable for applications requiring Stratum 3 performance such as base stations, small cells, 1588 and
Synchronous Ethernet timing, wireless communications, test and measurement.
Document No. 008-0541-0 Page 2 - 3 Rev. A
Model 581
Stratum 3 TCXO/VC-TCXO – HCMOS
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Maximum Supply Voltage
V
CC
- -0.6 - 6.0 V
Maximum Control Voltage
V
C
--0.5-
V
CC
V
Storage Temperature
T
STG
- -40 - +100 °C
Operating Temperature
Order Code 'C' -20 +70
Order Code 'I' -40 +85
Frequency Range
f
O
-
5-52MHz
Supply Voltage
Order Code 'R' 2.85 3.0 3.15
Order Code 'L' 3.14 3.3 3.47
Order Code 'S' 4.75 5.0 5.25
Supply Current
I
CC
--6.0mA
Frequency Stability
Overall Frequency Stability
Reference to f
O
, Including 20 years aging
- - 4.60
vs. Initial Calibration @ +25°C, at time of shipment - - 1.00
vs. Operating Temperature
1
[Fmax. - Fmin.]/2, over -40°C to +85°C - - 0.28
vs. Supply Voltage ±5% change @ +25°C - - 0.20
vs. Load ±5% change - - 0.20
vs. Aging 20 years @ +40°C - - 3.00
Holdover
Δf/f
O
[Fmax. - Fmin.]/2, over 24 hours - - 0.40
Control Voltage
V
C
- 0.5 1.5 2.5 V
Frequency Tuning
[VCTCXO Only] -
V
C
= 1.5V ±1.0V, monotonic positive
± ppm
V
C
Input Impedance ZV
C
-100--kOhm
Output Waveform HCMOS
Output Voltage Levels
Logic '1' Level
V
OH
HCMOS Load
0.9*V
CC
--
Logic '0' Level
V
OL
HCMOS Load - -
0.1*V
CC
Output Load
C
L
---15pF
Rise and Fall Time
T
R
, T
F
@ 20% - 80% Levels - 3.0 6.0 ns
Output Duty Cycle SYM @ 50% Level 45 - 55 %
Start Up Time
T
S
---2ms
Phase Noise
2
-- dBc/Hz
Notes:
1.
2.
Phase Noise performance may vary based on output frequency. See example plot at 10MHz below.
See Ordering Information for stability options.
ELECTRICAL PARAMETERS
V
Δf/f
O
± ppm
Δf/f
25
°C
+25
V
V
CC
T
A
-
5 - 8
±5%
Document No. 008-0541-0 Page 3 - 3 Rev. A
Model 581
Stratum 3 TCXO/VC-TCXO – HCMOS
MECHANICAL SPECIFICATIONS
TEST CIRCUIT – HCMOS LOAD
D.U.T. PIN ASSIGNMENTS
PIN SYMBOL DESCRIPTION
Control Voltage – VCTCXO
1 V
C
NC - TCXO
2 GND Circuit & Package Ground
3 Output HCMOS Output
4 V
CC
Supply Voltage
TABLE II – DATE CODE
2001 2005 2009 2013 2017 A B C D E F G H J K L M
2002 2006 2010 2014 2018 N P Q R S T U V W X Y Z
2003 2007 2011 2015 2019 a b c d e f g h j k l m
2004 2008 2012 2016 2020 n p q r s t u v w x y z
MONTH
JAN FEB MAR DEC
YEAR
AUG SEP OCT NOVAPR MAY JUN JUL
PACKAGE DRAWING
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.
MARKING INFORMATION
1. M581 – 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.
M581
CDXXX
SUGGESTED SOLDER PAD GEOMETRY

581L400X2ITT

Mfr. #:
Manufacturer:
CTS Electronic Components
Description:
TCXO Oscillators 40MHz 3.3V -40C +85C +/-28ppm
Lifecycle:
New from this manufacturer.
Delivery:
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