578 Series Datasheet by CTS-Frequency Controls

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Document No. 008-0344-0 Page 1 - 3 Rev. B
www.ctscorp.com
Model 578
Stratum 3
Temperature Compensated Crystal Oscillator
ORDERING INFORMATION
T
= No AFC [TCXO]
A = ±5ppm - ±8ppm [VCTCXO]
FREQUENCY TUNING [A FC]
578
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING OPTIONS
T - 1k pcs./reel
OPERATING TEMPERATURE RANGE
SUPPLY VOLTAGE
C = -20°C to +70°C
I = -40°C to +85°C
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc
Refer to document 016-1454-0,
Frequency Code Tables.
Not all performance combinations and frequencies may be available.
FREQUENCY
Product Frequency Code [3 digits]
PACKAGING INFORMATION [reference]
Device quantity is 1k pcs. maximum per 180mm reel.
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.
Ø1.50
7.90
DIRECTION OF FEED
5.40
5.70
8.40
4.0 8.0
Dimensions in Millimeters
16.0
1.75 2.40
2.10
Ø60 Ø180
Dimensions in Millimeters
Ø23
120°
17.5
Ø13
2.0
GTSV ElECWOMC COMPONEN'S is; m; mm 1721 flat/m A .3236 new: A“ 2122 mm was am new: 452 um mm $1.9m flat/m e wad 4 2571:: may m Mug 1 um 55: nsmm ; Zn 133‘“ 94 mm mm... DDDUMENT Nu. uns—ua44-D F
Document No. 008-0344-0 Page 2 - 3 Rev. B
Model 578
Stratum 3 TCXO/VC-TCXO – Clipped Sine
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Maximum Supply Voltage VCC - -0.6 - 6.0 V
Maximum Control Voltage VC--0.5-V
CC V
Storage Temperature TSTG - -40 - +100 °C
Operating Temperature
Order Code 'C' -20 +70
Order Code 'I' -40 +85
Frequency Range fO-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 ICC --3.5mA
Frequency Stability
Overall Frequency Stability Reference to fO, Including 20 years aging - - 4.60
vs. Initial Calibration @ +25°C, at time of shipment - - 1.00
vs. Operating Temperature [Fmax. - Fmin.]/2, over -40°C to +85°C - - 0.28
vs. Supply Voltage ±5% change @ +25°C - - 0.40
vs. Load ±5% change - - 0.10
vs. Aging 20 years @ +40°C - - 2.80
Holdover f/fO [Fmax. - Fmin.]/2, over 24 hours - - 0.37
Control Voltage VC- 0.5 1.5 2.5 V
Frequency Tuning [VCTCXO Only] - V
C
= 1.5V ±1.0V, monotonic positive ± ppm
VC Input Impedance ZVC- 100 - - kOhm
Output Waveform AC coupled Clipped Sinewave
Output Voltage Levels 0.8 - - Vp-p
Output Load RL // CL-
Output Duty Cycle SYM @ 50% Level 45 - 55 %
Start Up Time TS---2ms
Enable Function
Enable Input Voltage VIH Pin 8 Logic '1', Output Enabled 0.7*VCC --
Disable Input Voltage VIL Pin 8 Logic '0', Output Disabled [High Imp] - - 0.3*VCC
Phase Noise 1-- dBc/Hz
Notes:
1.
V
f/f25
5 - 8
V
Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below.
10kOhm // 10pF
ELECTRICAL PARAMETERS
TAC
+25
VCC ±5%
f/fO
± ppm
CTSO ElECTNMIC CWFDNENIS PACKAGEDRAVVING mm W E 13' i” ” u '3 , / W \ 5m 2 \ ”WWW '77 M, , x a r A H 1 ”Wfi‘,’ w..- 4 L”, + , Md , 1m Mm , , 7 / A / A 5004» H E J L Loo 7W, ‘ 2.54 1.20 m 4 ‘ p p m m: A +140 Wm" 'r J “memo. /\ \J g e s Dfllllf I) u I um Wu} .m‘ulnym.» “mum m . / 7 1 10(0 , mm vcrcxo , mm: Von-9e DDDLIMENT Nu. nus-n344-n F
Document No. 008-0344-0 Page 3 - 3 Rev. B
Model 578
Stratum 3 TCXO/VC-TCXO – Clipped Sine
MECHANICAL SPECIFICATIONS
TEST CIRCUIT – CLIPPED SINE LOAD
D.U.T. PIN ASSIGNMENTS
PIN SYMBOL DESCRIPTION
4 GND Circuit & Package Ground
5 Output Clipped Sine Wave Output
8 EOH Tri-State Enable
9 VCC Supply Voltage
10 VC Control Voltage – VCTCXO [Note 1]
GND - TCXO
NOTES
1. Connect to ground for TCXO [no AFC] option.
2. DC-Cut Capacitor Required.
Add 1000
p
F ca
p
acitor between TCXO out
p
ut and in
p
ut of load.
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. 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
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