Model 357
5x7mm Low Cost
Surface Mount VCXO
MECHANICAL SPECIFICATIONS
Suggested Pad Geometry
Dimensions in Inches [MM]
.100 [2.54]
.071 [1.80]
CTS ** YYWW
357LAC
38M8800
.079 [2.00]
·
.173 [4.40]
.079 [2.00]
.200 [5.08]
Pin Symbol
Functional Description
Control Voltage
Tri-State Enable
Circuit and Package Ground
RF Output
Not Connected Internally
Supply Voltage
** Manufacturing Site Code.
Frequency shall be marked
With 4 significant digits to the
Right if the “M”.
Enable Truth Table
1
2
3
4
5
6
VC
EOH
GND
Output
N.C.
Pin 2
“1”
Pin 4
Output
“0”
Open
High Imp.
Output
Vcc
ENVIRONMENTAL SPECIFICATIONS
§
§
Storage Temperature:
Temperature Cycle:
-55°C to +125°C
400 cycles, -55°C to +125°C, 10 min dwell, 1 min
transfer
§
§
§
§
§
Mechanical Shock:
Sinusoidal Vibration:
Gross Leak:
1,500g’s, 0.5mS, ½ sinewave, 3 shocks each
direction, in 3 planes
0.06” D.A., 10 to 55 Hz and 20g’s, 55 to 2,000 Hz,
3 cycles per plane
No leak shall appear while immersed in an FC40 or
equivalent liquid at 125°C for 20 seconds
Mass spectrometer leak rates less than 2x10-8
cc/sec air equivalent
Product must survive 3 reflows of 260°C peak, 10 seconds
maximum
Fine Leak:
Resistance to Soldering Heat:
§
§
High Temperature Operating Bias:
Frequency Aging:
2,000 hours at 125°C, disregarding frequency shift
< 5 ppm shift in 1,000 hours at 85°C
ORDERING INFORMATION
357
- ___M________
Example: 357LAC – 38M8800
Frequency in MHz
M – Indicates decimal point.
Frequency shall be recorded
with 4 significant digits minimum
to the right of the “M”.
Absolute Pull Range
A = ±32 PPM
B = ±50 PPM
C = ±80 PPM
D = ±100 PPM
Supply Voltage
L = +3.3Vdc
S = +5.0Vdc
Operating Temperature Range
C = 0°C to +70°C
I = -40°C to +85°C
CTS Frequency Products / 171 Covington Drive / Bloomingdale, IL 60108
Phone: 630-924-3500 Fax: 630-924-6610
Rev. X6