EURO
QUARTZ
DESCRIPTION
HDA576 series LVDS output oscillators cover the frequency range
750kHz to 800MHz. The design consists of a crystal operating in 3rd
overtone mode, without a PLL circuit.
SPECIFICATION
Frequency Range:
60MHz to 320.0MHz
Output Logic
LVDS
Phase Noise:
See table
Frequency Stability:
See table
Operating Temp Range
Commercial:
-10° to +70°C
Industrial:
-40° to +85°C
Input Voltage:
+2.5VDC ±5% or +3.3VDC ±5%
Output Logic
High '1' V
OH
:
1.4V typical, 1.6V max.
Low '0' V
OL
:
0.9V min., 1.1V typical
Differential Output Voltage V
OD
:
247mV min., 355mV typ.,
454mV max. Output 1 - Output 2
Differential Output Error dV
OD
: -50mV min., 50mV max.
Output Offset Voltage V
OS
:
1.125V min., 1.20V typ., 1.375V max.
OS
:
Offset Magnitude Error dV
0mV min., 3mV typ., 25mV max.
Rise/Fall Times:
0.7ns typical, 1.0ns max.
(20% to 80% of LVDS waveform)
Current Consumption
(15pF load):
16mA max at 212.5MHz
Load:
50W from each output
Start-up Time:
5ms typ., 10ms max.
Duty Cycle:
50%±5% (at 1.5V)
Drive Capability:
100 Ohms between outputs
Input Static Discharge Prot:
2kV min.
Storage Temperature Range:
-55°C to +150°C
Ageing:
±3ppm per year max., ±2ppm
thereafter. At T amb +25°C
Enable/Disable
No connection:
Both outputs enabled
Disable:
Both outputs are disabled when
control pad is taken below 0.3V
referenced to ground. Oscillator is
always 'on'. (Special request -
oscillator is off when disabled.)
Enable:
Both Outputs are enabled when
control pad is taken above 0.7 Vcc
referenced to ground.
ABSOLUTE MAXIMUM RATINGS
(Permanent
damage may be caused if operated beyond these limits.)
Supply Voltage Vdd:
+4.6VDC max.
Input Voltage Vi:
Vss -0.5 min., VDD +0.5V max.
Input Voltage Vo:
Vss -0.5 min., Vdd +0.5V max.
HDA576 LVDS OSCILLATORS
7x5mm SMD 6 pad
OUTLINE & DIMENSIONS
PHASE NOISE
(155.520MHz)
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
dBc/Hz
-72
-100
-125
-132
-142
-147
-149
JITTER
(155.520MHz)
Typ.
Max.
Integrated Phase Jitter: 0.25ps 4.0ps
(12kHz to 20MHz)
Period Jitter:
3.0ps
(RMS)
Period Jitter:
21ps
(peak to peak)
PART NUMBERS
HDA576 oscillator part numbers are derived as follows:
STABILITY OVER TEMPERATURE RANGE
Stability
±ppm
25
50
100
25
50
100
Temperature Range Order Code
°C
-10 to +70
-10 to +70
-10 to +70
-40 to +85
-40 to +85
-40 to +85
A
B
C
D
E
F
Example:
Supply Voltage
25 = 2.5VDC
3 = 3.3VDC
Series Designation
Package Style
5761 or 5762
Stability Code
(See table)
Frequency
3HDA5762-A-250.000
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk
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