(V)TFCT75 Series
TCXO/VC‐TCXO, 7.0 x 5.0mm, HCMOS, Programmable
Programmable device, Fast lead time
Recommended for non standard frequency
Low jitter and low phase noise
ESD sensitive device, Moisture sensitive level (MSL) ‐ 1
Parameters
Specification
Remarks
Frequency range
Supply voltage
F_nom 3.0MHz ~ 200.0MHz
Vcc 2.8V, 3.0V, 3.3V
F_tol <±2.0ppm
Initial frequency tolerance
Frequency stability
at +25°C±2°C
Table 1
vs Temperature
vs Load
F_stb ±0.5ppm ~ ±3.0ppm
F_load ±0.3ppm max.
F_Vcc ±0.3ppm max.
±10% load condition change
±5% input voltage change
at +25°C
vs Voltage
vs Aging
F_age ±1.0ppm/year max.
±1.0ppm/year max.
vs Reflow
1 reflow and measured after 24hrs
Table 1
Operating temperature range (°C)
Storage temperature (°C)
Output Wave Form
Output voltage high
Output voltage low
Output load
Topr 0°C ~ +50°C to ‐40°C ~ +85°C
Tstg ‐55°C ~ +125°C
HCMOS
Voh 90% Vcc min.
Vol 10% Vcc max.
15pF
Current consumption
Rise and fall time
Icc 10mA max [25MHz] ; 20mA max [200MHz]
Tr, Tf 10ns max.
at +25°C
20% to 80% of wave form.
Measured at 50% Vcc.
Reach 90% amplitude at +25°C±2°C
Duty cycle
SYM 45%/55%, 40%/60%
T_str 5.0m sec (typ.), 10.0m sec. (Max.)
Start‐up time
VC‐TCXO Option Only
Control voltage
Vc 1.5V ± 1.0V
±5.0ppm min.
for all supply voltages
Frequency tuning (ppm)
Linearity/Slope polarity
Input impedance
±10.0% max/Positive slope
50.0MΩ min
Positive voltage for positive frequency shift
Modulation bandwidth
20.0kHz min
Dimensions (Unit:mm)
Table 1 Frequency Stability vs Temperature
Temp. (°C)
Stability in ppm
5.08
1.4
4
±0.5
±1.0
±1.5
±2.0
±2.5
±3.0
4
3
3
2
0°C to 50°C
‐10°C to 60°C
‐20°C to 70°C
‐30°C to 75°C
‐30°C to 85°C
‐40°C to 85°C
√
Enq.
X
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Bottom view
5.08
Land pattern
Top view
7.5
√
1
X
√
1
2
X
√
1.8
X
Enq.
Phase Noise (133.33MHz example)
dBc/Hz typical
Pad 1 : Control voltage (VCTCXO). No connection(TCXO)
10Hz
100Hz
1kHz
‐70
‐91
‐95
‐91
‐85
Pad 2 : Ground
Pad 3 : Output
Pad 4 : Supply Voltage
10kHz
100kHz
Advanced Crystal Technology (A wholly owned Acal Bfi Company)
Tel: +44 (0) 118 978 8878 Email info@actcrystals.com / www.actcrystals.com
ISO9001 Registered
Specifications subject to change without notification