Temperature Compensated Crystal Oscillators PTC7050A
RoHS Compliant Lead-free soldering
1. SMD type temperature compensated crystal oscillators;
2. Miniature and lightweight;
3. Low phase noise;
4. One chip IC assures high reliability;
Electrical
Parameters
|
PARAMETER
|
CONDITIONS
|
VALUE
|
UNIT
|
|
Frequency range
|
|
10~52
|
MHz
|
Supply voltage
|
|
3.3 or 5.0
|
V
|
Supply current
|
Typical (depending in Vcc and output)
|
2~10
|
mA
|
Clipped sine wave - Output Voltage Swing (peak-to-peak)
|
Load = 10KΩ //10pF
|
0.6~1.0
|
V
|
HCMOS - Output Levels
|
Min/Max, 15pF Load
|
0.9Vcc/0.1Vcc
|
V
|
Duty Cycle
|
HCMOS - Load = 15pF (2TTL)
|
40/60 or 45/55
|
%
|
Rise Time / Fall Time
|
10~90%
|
5
|
ns
|
Start up time
|
Typical
|
3
|
ms
|
|
Enable / Disable
|
Min / Max
|
0.8Vcc / 0.2Vcc
|
Vdc
|
Control Voltage
|
Optional
|
0~Vcc
|
Vdc
|
Pull Range
|
|
±3~±15
|
ppm
|
Linearity, max
|
Positive tuning slope
|
10
|
%
|
Initial Frequency Calibration
|
Measures at 25°C
|
±1.0/±1.5
|
ppm
|
Stability vs. Supply Voltage change
|
Vcc ±5%
|
±0.05/±0.20
|
ppm
|
Stability vs. Load change
|
Load ±10%
|
±0.05/±0.20
|
ppm
|
Stability over operating temperature
|
Referenced at 25°C
|
±0.2/±0.28
|
ppm
|
Overall frequency stability, max
|
Including 20 years of aging
|
±4.60
|
ppm
|
|
Phase noise @ freq. offset, typical
|
Δf=100Hz
Δf=1KHz
Δf=10KHz
|
-110
-135
-145
|
dBc/Hz
dBc/Hz
dBc/Hz
|
|
Integrated Phase Jitter RMS, max
|
BW= 12KHz to 20MHz, Vcc ±5%, 15pF load
|
1.0
|
ps
|
|
Operating temperature
|
|
-20~70
-40~85
|
°C
|
|
Storage temperature
|
Absolute max
|
-55~+125
|
°C
|
Dimensions
