Crystal Oscillator High Precision Temperature Compensated Crystal Oscillator (TCXO) for STRATUM3 NT7050BB / NT7050BC ■ Main Application ● Stratum3 ● SONET/SDH ● Basestation ■ Features ● Maximum Operating Temp. +105°C . NT7050BB (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 specification can be selected CMOS or Clipped Sine. ● Small size SMD package : (7.0×5.0×2.0mm) ● With Enable / Disable function. (Model Name : NT7050BC) NT7050BC ■ Specifications Model Item NT7050BB / 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 Specification 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 Max. ±0.28×10–6 Overall Frequency Tolerance *1 Max. ±4.6×10 Absolute Pull Range(APR) / Control Voltage [Vcont] Max. ±0.5×10–6 –6 Max. ±5×10–6/+1.65V±1.65V Enable / Disable Function *2 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). *2 : NT7050BC ■ Dimensions Model Name : NT7050BB Model Name : NT7050BC mm mm Terminal land connections Terminal land connections #2 GND #3 OUTPUT #4 VCC 7.0 #3 ■ Specification Number NT7050BB NC #8 Enable/Disable NC #4 GND #9 VCC #5 OUTPUT #10 Vcont -40 to +85℃ -40 to +105℃ CMOS NSA3633B NSA3633D NSA3633F Clipped Sine NSA3633A NSA3633C NSA3633E 4×0.9 #5 #8 #7 2.54 #6 4.9 1.1 #9 1.27 1.27 3.2 #4 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. Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. Operating Temperature Range -10 to +70℃ Output Specification 6×0.6 #2 #3 #10 5.08 #4: Please connect a 0.01μF bypass capacitor near the Vcc terminal. Model #7 #3 1.3 5.08 #1 1.2 3 3.2 1.2 0.9 1.5 0.9 #4 NC 1.27 1.27 1.5 #2 2.54 Land pattern (Typical) 1.4 6×0.8 3.68 #1 4×0.8 2.0 1.4 #6 Do not connect #2 2.0 7.0 #1 Do not connect Vcont 5.0 5.0 #1 Model NT7050BC Operating Temperature Range -10 to +70℃ Output Specification -40 to +85℃ -40 to +105℃ CMOS NSA3634B NSA3634D NSA3634F Clipped Sine NSA3634A NSA3634C NSA3634E 1803B_NT7050BBBC_e