ECS VC-TXO-30SM Data Sheet
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD TCXO SMD TCXO
FEATURES
• Highly stable output
• Voltage Control function
• 5 x 7 mm Footprint
• RoHS Compliant
VC-TX0-30SM
SERIES
TEMPERATURE COMPENSATED OSCILLATOR
The VC-TXO-30SM is a TCXO (Temperature
Compensated Crystal Oscillator) featuring very
tight stability over a wide temperature range.
The miniature SMD ceramic package measures
5 x 7 x 2.0 mm. The voltage control feature has
a frequency control range of ±5 ppm. The low
profile package is ideal for wireless communications applications.
7.0 ± 0.2
5.0 ± 0.2
#1 #2
#4 #3
2.0 Max.
3.681.4 1.4
0.9
3.0
0.9
PACKAGE DIMENSIONS (mm)
Figure 1) VC-TX0-30SM – Top, Side and Bottom views Figure 2) Land Pattern
PART NUMBERING GUIDE
“EXAMPLE”
SERIES FREQUENCY STABILITY/TEMPERATURE OPTION
VC-TXO-30SM – 128 – B
STANDARD FREQUENCIES
12.60, 12.80, 13.00, 14.40, 14.85, 16.80
19.20, 19.44, 19.68 & 19.80 MHZ
Sample Part Number: VC-TXO-30SM-128-B, 128=12.8 MHz, B= ±2.0 PPM -20 +75˚C
Ultrasonic or Dip cleaning not to be used.
Preliminary outline drawing. Consult factory for latest revision. (Rev. 1/03).
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
VC-TXO-30SM
PARAMETERS CONDITIONS
MIN MAX
UNITS
FREQUENCY RANGE 12.600 19.800 MHz
FREQUENCY TOLERANCE TYPICAL @+25˚ ±2˚C -0.5 +0.5 PPM
OPER. TEMP. -10 ~ +60˚C -2.0 +2.0 PPM
OPER. TEMP. -20 ~ +75˚C -2.0 +2.0 PPM
OPER. TEMP. -20 ~ +75˚C -2.5 +2.5 PPM
FREQ.STABILITY/TEMP.
OPER. TEMP. -30 ~ +80˚C -2.5 +2.5 PPM
SUPPLY VOLTAGE CHANGE +3V ±5% -0.2 +0.2 PPM
LOAD CHANGE 10KΩ ±10%//10 pF ±10% -0.3 +0.3 PPM
AGING First Year @ +25˚C -1.0 +1.0 PPM
STORAGE TEMPERATURE -40 +85 ˚C
SUPPLY VOLTAGE +3.0V DC Nominal +2.85 +3.15 V DC
CURRENT CONSUMPTION 10KΩ ±10%//10 pF ±10% 2.0 mA
OUTPUT VOLTAGE
Clipped Sine Wave (DC-Cut) 0.8 Vp-p
OUTPUT LOAD 10KΩ ±10%//10 pF ±10%
FREQUENCY CONTROL ±5.0 PPM
CONTROL VOLTAGE +1.5 VDC ± 1V Positive Slope 0.5 2.5 V
SSB PHASE NOISE -120 dBc/Hz @ 1 KHz offset
HARMONIC DISTORTION -3.0 dBc
(OPTION A)
(OPTION B)
(OPTION C)
(OPTION D)
1.6
1.3
4.3
5.1
56
VC-TX0-30SM PIN CONNECTIONS
#1 V CONTROL
#2 GND
#3 OUTPUT
#4 V
CC
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