(V)TCT75‐4 MHz Series
TCXO/VC‐TCXO, 7.0 x 5.0mm, HCMOS/TTL
MHz range frequency
From ±0.5ppm stability over 0°C ~ +50°C
ESD sensitive device
Moisture sensitive level (MSL) ‐ 1
Parameters
Specification
F_nom 1.25MHz ~ 40.0MHz
Vcc 2.5V, 3.0V, 3.3V, 5.0V
Remarks
Frequency range
Supply voltage
Initial frequency tolerance
F_tol ±2.0ppm
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.
F_age ±1.0ppm/year max.
±1.0ppm/year max.
Topr 0°C ~ +50°C to ‐40°C ~ +85°C
Tstg ‐55°C ~ +125°C
HCMOS/TTL
±10% load condition change
±5% input voltage change
At +25°C
Frequency stability
vs Voltage
vs Aging
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
Voh 90% Vcc min.
Vol 10% Vcc max.
15pF
Current consumption
Rise and fall time
Icc 10mA (2.5V), 13mA(3.0V, 3.3V), 27mA(5.0V) Max Over operating temperature range
Tr, Tf 10ns max.
20% to 80% of waveform
Measured at 50% Vcc
Duty cycle
SYM 45%/55%, 40%/60%
T_str 5.0m sec (typ.), 10.0m sec. (Max.)
Start‐up time
Reach 90% amplitude at +25°C±2°C
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
Table 1 Frequency Stability vs Temperature
Dimensions (Unit:mm)
Temp. (°C)
Stability in ppm
5.08
1.4
4
4
3
±0.5
±1.0
±1.5
±2.0
±2.5
±3.0
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
1
2
X
√
2.2
X
√
X
Enq.
Pad 1 : Control voltage (VCTCXO). No connection(TCXO)
Phase Noise (10.0MHz example)
dBc/Hz typical
Pad 2 : Ground
10Hz
100Hz
1kHz
‐96
Pad 3 : Output
‐122
‐138
‐145
‐150
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