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IVT7500
PG 81
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Link to web page
© 2001 Rakon Limited
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SMD Voltage Controlled Temperature
Compensated Crystal Oscillators
Features Clipped sinewave frequency output from 10MHz to
26MHz. Frequency slope and perturbation specifications can
be customized to the application requirement. Internal power regulation. Unit can operate on any
supply voltage between 2.7 and 5.5 Volts. The unit consumes only 1.2mA typically. Frequency control ranges from 6 to 50ppm available
IVT7500
FREQUENCY CHARACTERISTICS
Parameter
Test Condition
Min.
Max. Unit
Frequency range
Frequency range available
10.0
26.0
MHz
Frequency calibration
Frequency at 23 deg. C +/-2 deg. C (see Note 1)
0.3
1.0
+/-ppm
Frequency stability over temperature
Referenced to frequency reading at 25 deg C. Temperature varied at max of 2 deg C per minute.
1.0
10.0
+/-ppm
Temperature range
The operating temperature range over which the frequency stability is measured (Note 3)
-40.0
85.0
Degrees C
Frequency perturbations
Peak to peak amplitude of frequency perturbation within operating temperature range (Note 1)
0.1
1.0
ppm
Frequency slope
Minimum of 1 frequency reading every 2 degrees C, over the operating temp. range (Note 1)
0.05
1.00
ppm/deg C
Static temperature hysteresis
Frequency change after reciprocal temperature ramped over the operating range.
0.6
+/-ppm
Supply voltage stability
Supply voltage varied +/-5% at 25 deg C.
0.3
+/-ppm
Load sensitivity
+/-10% load change
0.2
+/-ppm
Root Allan Variance
1 second Tau. (Note 1)
0.2
1.0
ppb
Long term stability
Frequency drift over 1 year (Note 1)
0.4
1.0
+/-ppm
G Sensitivity
Gamma vector of all three axis from 30Hz to 1500Hz (Note 1)
0.5
1.0
ppb/G
POWER SUPPLY
Supply voltage
Supply voltage options (Note 4)
2.7
5.5
V
Current
At Max. supply voltage
2.0
mA
OSCILLATOR OUTPUT
SSB PHASE NOISE
Output waveform
Clipped sinewave
Output voltage level
At min. supply voltage
0.8
3.2
V
Output load resistance
Operating range
9.0
11.0
K Ohms
Output load capacitance
Operating range
9.0
11.0
pF
Product Description
The IVT7500 employs an analogue IC
for the oscillator and temperature
compensation, giving excellent
temperature stability performance for
low cost.
Quiescent measurement at room temperature. Phase noise dependent on oscillator frequency.
SSB Phase noise density
1Hz offset
-55 dBc/Hz
SSB Phase noise density
10Hz offset
-85 dBc/Hz
SSB Phase noise density
100Hz offset
-110 dBc/Hz
SSB Phase noise density
1KHz offset
-125 dBc/Hz
SSB Phase noise density
10KHz offset
-140 dBc/Hz
CONTROL VOLTAGE
Control voltage range
Determined by supply voltage (Note 5)
0.25
2.75
V
Frequency tuning
Frequency shift from Min. to Max. control voltages (Note 6)
6.0
50.0
ppm
Frequency tuning linearity
Deviation from straight line curve fit (Note 1)
2.0
20.0
%
Port input impedance
100.0
K Ohms
Reflow and washing
Able to withstand aqueous washing process and normal solder reflow processes.
Packaging description
Tape and reel
MANUFACTURING INFORMATION
Typical PG 82
Contact
Link to web page
© 2001 Rakon Limited
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IVT7500
PRECISION QUARTZ PRODUCTS
TITLE:
RELATED DRAWINGS:
REVISION:
DATE:
SCALE:
Millimetres [inch]
FILENAME:
Tolerances:
XX
X.X
X.XX
X.XXX
X
0
Hole
IVT7500 MODEL
CAT154
A
14 MAY 99
5:1
0.5
0.10
0.05
0.05
1.0
0.10
Note 1
The Max. value is the standard specification. Values down to Min. are available.
Note 2
A Max. frequency stability over the temperature is required to be specified.
Note 3
The operating temperature range needs to be specified.
Note 4
The unit will operate on any voltage between Min. and Max. values.
Note 5
Unless otherwise specified, the control range is set between 0.5V to 2.5V.
Note 6
The Min value is the specification.
SPECIFICATION NOTES
7500 TAPE & REEL (CAT156)
SINEWAVE TEST CIRCUIT (CAT003)
CONTROL VOLTAGE
COMMON & CASE
OUTPUT
+ Vcc
PIN CONNECTIONS
1
2
3
4
END VIEW
1.87
[0.074] MAX
SIDE VIEW
1.40
[0.055]
4
3
1
2
TP
TP
SIDE VIEW
TP
0.79
[0.031]
5.08
[0.200]
1.04
[0.041]
TP
0.90
[0.034]
The oscillator shall meet electrical characteristics and suffer no physical damage after being subject to the following conditions:
Shock
Half sinewave acceleration of 100G peak amplitude for 11ms duration, 3 cycles each plane.
Random Vibration
10G's RMS 30Hz to 1500Hz duration of 6 hours
Humidity
After 48hours at 85 deg C +/-2% deg C 85% relative humidity non-condensing
Thermal shock test
Exposed at -40 deg C for 30 minutes then to 85 deg C for 30 minutes constantly for a period of 5 days.
Storage temperature
-40 to 85 deg C
ENVIRONMENTAL
TOP VIEW
7.0
±
0.2
[0.276
±
0.008]
5.0
±
0.2
[0.197
±
0.008]
1
1.20
[0.047]
TOP VIEW
RECOMMENED PAD LAYOUT
5.08
[0.200]
4.20
[0.165]
1.50
[0.059]
1