ECS VC-TXO-39SMX Data Sheet
55
FEATURES
• Highly stable output
• RoHS Compliant (PB Free)
• Voltage control function
• Tape and Reel (500 pcs)
VC-TXO-39SMX
SERIES
VC-TCXO
11.4 ±0.3
#1 #2
#3
#4
9.6 ±0.2
7.62
4 ±1.3
0.8
2.3 ±0.2
ECS 39SM
Figure 1) VC-TXO-39SMX Top, Side and Bottom views
PACKAGE DIMENSIONS (mm)
PIN CONNECTIONS
#1 VCONTROL
#2 GND
#3 OUTPUT
#4 V
CC
The VC-TXO-39SMX is a VC (Voltage Controlled)
TCXO (Temperature Compensated Crystal
Oscillator) featuring very tight stability over
a wide temperature range. The small SMD
ceramic package measures 11.4 x 9.6 x 2.3 mm.
The voltage control has a tuning range of ± 12
ppm typical. The low profile package is ideal
for wireless communications applications.
7.62
1.21.2
4.5 4.5
22
Figure 2) Land Pattern
Sample Part Number: VC-TXO-39SMX-128-A, 128=12.8 MHz, A=±1.5 ppm -20 to +75˚C
PART NUMBERING GUIDE
SERIES FREQUENCY STABILITY / TEMPERATURE OPTION
VC-TXO-39SMX – 128 – A
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
VC-TXO-39SMX (3V)
PARAMETERS CONDITIONS
MIN TYP MAX
UNITS
FREQUENCY RANGE 10.000 19.440 MHz
FREQUENCY STABILITY/TEMP
Operating Temperature
STANDARD -30 ~ +75˚C ±2.5 PPM
OPTION A -20 ~ +75˚C +1.5 PPM
SUPPLY VOLTAGE CHANGE +3V ±5% +0.3 PPM
LOAD CHANGE 10k Ω ±10%//10pF ±10% +0.3 PPM
AGING
First Year @ +25˚C ±1 PPM
STORAGE TEMPERATURE -40 +85 ˚C
SUPPLY VOLTAGE +3.0 V DC Nominal +2.85 +3.0 +3.15 V DC
CURRENT CONSUMPTION 10k Ω ±10%//10pF ±10% 1.5 mA
OUTPUT VOLTAGE Clipped sine wave (DC-Cut) 0.8 Vp-p
OUTPUT LOAD 10k Ω ±10%//10pF ±10%
FREQUENCY CONTROL RANGE +1.5 V DC ± 1V Positive Slope ±9 ±12 PPM
CONTROL VOLTAGE +0.5 +1.5 +2.5 V
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD OSCILLATORS SMD OSCILLATORS
STANDARD FREQUENCIES
10.000, 13.000, 16.800 AND 19.440 MHz
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