Document No. 008-0307-0 Page 1 - 4 Rev. F
www.ctscorp.com
Model 575
Temperature Compensated Crystal Oscillator
FEATURES
• Clipped Sine Wave Output
• Optional Voltage Control for Frequency Tuning [VCTCXO]
• 7.0mmx5.0mm Surface Mount Package
• Frequency Range 10 – 40 MHz [Standard Frequencies List Shown Below]
• Fundamental Crystal Design
• Frequency Stability, several options to choose from, ±0.5ppm ~ ±5.0ppm
• Operating Voltage, +2.8Vdc ~ +5.0Vdc
• Operating Temperature to -40°C to +85°C
• Tape & Reel Packaging Available
• RoHS/Green Compliant (6/6)
APPLICATIONS
The Model 575 Temperature Compensated Crystal Oscillator (TCXO) is a quartz
based, clipped sine wave output, analog temperature compensated oscillator with
optional frequency tuning, in a hermetically sealed ceramic package. M575 is suitable for base stations,
wireless communications, test and measurement, Femtocell, WLAN/WiMax/WIFI and mobile phone applications.
ORDERING INFORMATION
Not all performance combinations and frequencies may be available.
1] Only available with temperature range codes "H" and "C".
2] Frequency is recorded with two leading digits before the ‘M’ and 4 significant digits after the ‘M’ (including zeros).
[Ex. XXMXXXX (10M0000), XXMXXXX (16M3840)]
OPERATING TEMPER ATURE R ANG E
M - indicates MHz and decimal point. 2
[See table below for standard frequencies available.]
FREQUENCY IN MHz
FREQUENCY T UNING (AFC)
A = ± 5 ppm (std)
B = ± 8 ppm
C = ± 10 ppm
D = ± 12 ppm
T
= TCXO (no AFC)
{VCON: 1.5Vdc ± 1.0Vdc}
M
Contact your local CTS Representati ve or CTS Customer Service for availabilit y.
T
= +2.8Vdc
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc
SUPPLY VOLTAGE
575
FREQUENCY STABILITY *
05 = ± 0.5 ppm 1
10 = ± 1.0 ppm
15 = ± 1.5 ppm
20 = ± 2.0 ppm
25 = ± 2.5 ppm (std)
30 = ± 3.0 ppm
40 = ± 4.0 ppm
50 = ± 5.0 ppm H = -10°C to +60°C
C = -20°C to +70°C
D = -30°C to +85°C (std)
I = -40°C to +85°C
* Frequency vs. Temperature Only
10.000 MHz 12.800 MHz 15.360 MHz 18.432 MHz 20.000 MHz 24.576 MHz 32.000 MHz
10.240 MHz 13.000 MHz 16.000 MHz 19.200 MHz 20.480 MHz 25.000 MHz 32.768 MHz
12.000 MHz 14.000 MHz 16.800 MHz 19.440 MHz 21.000 MHz 26.000 MHz 38.880 MHz
12.288 MHz 14.400 MHz 18.000 MHz 19.998 MHz 24.000 MHz 27.000 MHz 40.000 MHz
M575 Standard Frequencies
Document No. 008-0307-0 Page 2 - 4 Rev. F
Model 575
TCXO/VC-TCXO – Clipped Sine Wave
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Maximum Supply Voltage VCC --0.5-6.0V
Maximum Control Voltage VC--0.5-
VCC V
Storage Temperature TSTG - -55 - 125 °C
Frequency Range fO Std frequencies listed in Ordering Information 10 - 40 MHz
Frequency Stability Δf/fO
Frequency vs. Temperature Only ± ppm
Fre
q
uenc
y
Stabilit
y
vs. Initial Calibration @25°C - - 1.0
vs. Su
pp
l
y
Volta
g
e±5% chan
g
e--0.2
vs. Load ±10% chan
g
e--0.2
vs. Reflow Shift After 2 reflows - - 2.0
1st
y
ear - - 1.0
10
y
ear
(
Exce
p
t stabilit
y
code 05
)
--8.0
O
eratin
Tem
erature
Order Code 'H' -10 60
Order Code 'C' -20 70
Order Code 'D' -30 85
Order Code 'I' -40 85
Su
pp
l
y
Volta
g
e
Order Code 'T' 2.66 2.8 2.94
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
Su
pp
l
y
Current
10.00 MHz - 14.99 MHz - - 1.5
15.00 MHz - 25.99 MHz - - 2.0
26.00 MHz - 40.00 MHz - - 2.5
Control Voltage VC- 0.5 1.5 2.5 V
Frequency Tuning [VCTCXO Only] - VC = 1.5V ±1.0V ± ppm
VC Input Impedance ZVC- 500 - - kOhm
Out
p
ut Waveform AC cou
p
led Cli
pp
ed Sinewave
Output Voltage Levels VO0.8 - - Vp-p
Output Load RL // CL-
Start Up Time TS---2ms
Phase Noise 1-- dBc/Hz
Notes:
1.
vs. Aging
°C
10 kOhm // 10 pF
mA
5,8,10,12
VCC V ±5%
Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below.
ELECTRI C AL P ARA METERS
ICC
0.5,1.0,1.5,2.0
2.5,3.0,4.0,5.0
TA-25
-± ppm
Frequency
Offset Phase Noise
(dBc/Hz)
10 Hz -90
100 Hz -115
1k Hz -135
10k Hz -148
SINGLE SIDE BAND PHASE NOISE
(ty pica l ma ximu ms @ 10 MH z)
Document No. 008-0307-0 Page 3 - 4 Rev. F
Model 575
TCXO/VC-TCXO – Clipped Sine Wave
MECHANICAL SPECIFICATIONS
SUGGESTED SOLDER PAD GEOMETRY
.225 [5.71]
.071 [1.80]
.047 [1.20] 1
BYPASSC4
.165 [4.20]
2
[mm]
Key:
3
Inch
CBYPASS should be ≥ 0.01 uF.
MARKING INFORMATION
1. M575 - CTS Model Series.
2. ● – Pin 1 identifier.
3. C – CTS identifier.
4. D – Date code. See Table II for codes.
5. XXX – Frequency code. See Table I for codes.
Complete CTS part number, frequency value and
date code information must appear on reel and
carton labels.
PACKAGE DRAWING
TYP
(0.2)
0.008
{Pads 1 - 4}
{Pads 1 - 4}
(0.3 ±0.1)
(2.0) MAX
(5.08 ±0.2)
0.200 ±0.004
0.276 ±0.008
0.079
(5.0 ±0.2)
0.197 ±0.008
0.157 ±0.004
(4.0 ±0.1)
Key: (mm)
Inch
2
34
0.031 ±0.004
(0.8 ±0.1)
1
0.012 ±0.004
(7.0 ±0.2) 0.055 ±0.004
(1.4 ±0.1)
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.
M575
● CDXXX
TABLE I – FREQUENCY CODING
FREQUENCY MARKING
CODE FREQUENCY MARKING
CODE FREQUENCY MARKING
CODE FREQUENCY MARKING
CODE
10.000 MHz 100 15.360 MHz 153 18.432 MHz 184 25.000 MHz 250
10.240 MHz 102 16.000 MHz 160 19.200 MHz 192 26.000 MHz 260
12.000 MHz 120 16.367 MHz 16A 19.440 MHz 194 27.000 MHz 270
12.288 MHz 122 16.367667 MHz 16B 19.680 MHz 196 32.000 MHz 320
12.800 MHz 128 16.368 MHz 16C 19.800 MHz 198 32.512 MHz 325
13.000 MHz 130 16.369 MHZ 16D 19.998 MHz 199 32.768 MHz 327
13.500 MHz 135 16.384 MHz 163 20.000 MHz 200 38.880 MHz 388
14.000 MHz 140 16.800 MHz 168 20.480 MHz 204 40.000 MHz 400
14.400 MHz 144 18.000 MHz 180 24.000 MHz 240
Not all frequencies listed may be available for this design.
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
TEST CIRCUIT – RL//CL LOAD
SUPPLY
POWER
-
+
-
+
VM
-+ mA
Control Voltage - VC-TCXO
GND - TCXO
D.U.T.
1
0.01uF
4
2
3
Including probe
capacitance.
Ω10K 10pF
D.U.T. PIN ASSIGNMENTS
PIN SYMBOL DESCRIPTION
Control Voltage – VCTCXO (Note 1)
1 VC GND - TCXO
2 GND Circuit & Package Ground
3 Output Clipped Sine Wave Output
4 VCC Supply Voltage
NOTES
1. Connect to ground for TCXO (no AFC) option.
Document No. 008-0307-0 Page 4 - 4 Rev. F
Model 575
TCXO/VC-TCXO – Clipped Sine Wave
PACKAGING INFORM ATION
Device quantity is 1,000 pieces per 180mm reel.
ENVIRONMENTAL SPECIFICATIONS
Temperature Cycle: 400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1 minute transfer time
between temperatures.
Mechanical Shock: 1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3 mutually perpendicular
planes (18 total shocks).
Sinusoidal Vibration: 0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles each in 3 mutually
perpendicular planes (9 times total).
Gross Leak: No leak shall appear while immersed in an FC40 or equivalent liquid at +125°C for 20 seconds.
Fine Leak: Mass spectrometer leak rates less than 2x10-8 ATM cc/sec air equivalent.
Resistance to Solder Heat: Product must survive 3 reflows of +250°C maximum, 10 seconds maximum.
High Temperature Operating Bias: 2,000 hours at +125°C, disregarding frequency shift.
Frequency Aging: 1,000 hours at +85°C.
Insulation Resistance: 500M Ohms @ 100VDC ±15VDC.
Moisture Sensitivity Level: Level 1 per JEDEC J-STD-020.
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