Crystal Oscillator Temperature Compensated Crystal Oscillator (TCXO) With Enable / Disable (Stand-by) function NT7050BC ■ Main Application ● SONET/SDH ● Femtocell/Small cell Basestation ● Stratum3 ■ Features ● With Enable / Disable(Stand-by) function. ● Maximum Operating Temp. +105°C . (Freq. / Temp. Characteristics Max. ±0.5×10–6) ● Freq. / Temp. Characteristics Max. ±0.07×10–6 .(Operating Temp. Range-10 to +70°C) ● Low current consumption : Max. 6mA ● Output voltage can be selected CMOS or Clipped Sine. ● Small size SMD package : (7.0×5.0×2.0mm) ■ Specifications Model Item NT7050BC Nominal Frequency (MHz) Supply Voltage [VCC] (V) 10 to 26 10 to 40 10 to 25 +3.3 ± 2% +3.3 ± 5% +3.3 ± 5% Current Consumption (mA) Max. 6 Output Voltage CMOS or Clipped sine Symmetry Min. to Max. (%) 40 to 60 Output Load Condition 15pF or 10kΩ // 10 pF Operating Temperature Range (°C) –10 to +70 –40 to +85 Storage Temperature Range (°C) –40 to +105 –55 to +125 Frequency/Temperature Characteristics Max. ±0.07×10–6 Overall Frequency Tolerance *1 Max. ±0.28×10–6 Max. ±0.5×10–6 Max. ±4.6×10–6 Absolute Pull Range(APR) / Control Voltage [Vcont] Max. ±5×10–6/+1.65V±1.65V Enable / Disable Function Enable : Min. 70%VCC or OPEN Disable : Max. 30%VCC *1 : Overall Frequency Tolerance includes Frequency/Temperature Characteristics, Initial Frequency tolerance, Frequency/Voltage Coefficient, Frequency/Load Coefficient and Long-term Frequency Stability (15years). ■ Dimensions ■ Specification Number mm Terminal land connections 5.0 #1 Do not connect NC #7 NC #3 NC #8 Enable/Disable #4 GND #9 VCC #5 OUTPUT #10 Vcont #8 #7 2.54 #6 NSA3634D NSA3634F Output Voltage : Clipped Sine NSA3634A -40 to +85°C -40 to +105°C NSA3634C NSA3634E 1.1 #5 3.2 #9 -40 to +85°C -40 to +105°C 4.9 1.3 #4 NSA3634B 1.27 1.27 1.27 1.27 #10 Operating Temperature Range (°C) -10 to +70°C Specification Number Specification Number 4×0.9 2.54 6×0.6 #2 #3 6×0.8 4×0.8 #1 Output Voltage : CMOS Operating Temperature Range (°C) -10 to +70°C 2.0 7.0 #6 Do not connect #2 Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. 1.45 0.9 #1, #6: Please do not connect with these terminals. #9: Please connect a 0.01 μF bypass capacitor near the Vcc terminal. - 17 - 1503A_NT7050BC_e