QUARTZ
MB53T TCXO
EURO
5 x 3.2 x 2.2mm SMD HCMOS
Quick turnaround production
Low Jitter: 70ps peak to peak (typical)
Low phase noise: -114dBc at1kHz offset (133MHz)
Custom frequencies are easily configured
Supply voltages 2.8V, 3.0V or 3.3VDC
TCXO or VCTCXOs CMOS square wave output
MB53T - OUTLINES AND DIMENSIONS
DESCRIPTION
The MB53T TCXO is packaged in 7 x 5mm, 4 pad ceramic SMD
package. The part has a squarewave (CMOS) output and a stability of
±2.5ppm over the temperature range -30° to +85°C. A 0.01mF
decoupling capacitor is built-in. The part may be specified as a TCXO
or a Voltage-Controlled TCXO (VCTCXO).
SPECIFICATION
Product Series Code
TCXO:
MB53T
VCTCXO:
VMB53T
Frequency Range:
Output Waveform:
Initial Calibration Tolerance:
Frequency Stability
1.0MHz to 200.0MHz
Squarewave, HCMOS
<±2.0ppm at +25°±2°C
vs. Temperature Change:
See table
vs. Ageing:
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1.0ppm max. for one reflow
(Measured after 24 hours)
+2.8VDC ±5%
vs. Voltage Change:
vs. Load Change:
vs. Reflow (SMD type):
Supply Voltage:
+3.0VDC ±5%
+3.3VDC ±5%
Output Logic Levels:
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
10ns max.
Rise and Fall Times:
Duty Cycle:
50±10% standard,
50±5% option
Start-up Time:
5ms typical, 10ms max.
Current Consumption
VMB53T VOLTAGE CONTROL SPECIFICATION
at 25.0MHz:
at 200.0MHz:
Output Load:
Storage Temperature:
RoHS Status:
8mA max.
20mA max.
15pF
-55~+125°C
RoHS Compliant and pB free
Control Voltage Centre: Standard = +1.5±1.0Volts (for all voltages)
Frequency Deviation: ±5.0ppm min. (Vcon = +1.5V±1.0V)
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Input Impedance:
50k minimum
Modulation Bandwidth: 20kHz minimum
Linearity:
±10% maximum
FREQUENCY STABILITY OVER TEMPERATURE
PART NUMBER FORMAT
Frequency Stability (ppm)
0 ~ +50
±0.5
±1.0
P
±1.5
P
±2.0
P
±2.5
P
±3.0
P
Example:
MB53T 28 - 38.880 - 2.5 / -30+85
P
ASK
x
-10 ~ +60
P
P
P
P
P
Temperature
-20 ~ +70
Range (°C)
Series Description
TCXO: MB53T
VCTCXO: VMB53T
Supply Voltage
28: 2.8VDC
P
P
P
P
P
-30 ~ +75
-40 ~ +85
x
P
P
P
P
PP
P
x
P
P
P
P
P= available, x = not available, ASK = Please contact us
30: 3.0VDC
33: 3.3VDC
Frequency MHz
Stability ±ppm
SSB PHASE NOISE at 25°C
Operating Temperature Range
Offset
10Hz
100Hz
1kHz
10kHz
100k
Hz
MB53T at
(dBc/Hz)
-76
-102
-114
-110
-100
133.333MHz
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk