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Quartz Crystal Oscillator ICs
NJU6212

1.8V Operating Voltage Fundamental Quartz Crystal Oscillator IC

Features
  • Frequency Stability (±1ppm@VDD±10%)
  • Operating Voltage (1.62 to 3.63V)
  • Maximum Oscillation Frequency (Up to 60MHz)
  • Low Operating Current (5mA typ.@60MHz/3.3V/15pF)
  • 4-Stage Divider (Maximum Divider f0/16)
  • Built-in LDO
  • Oscillation Stop and Output Stand-by Function
  • 3-State Output Buffer
  • Variable Pull-up Resistance on-Die
  • Oscillation Capacitors Cg and Cg on-Die
  • C-MOS Technology
  • Package Outline (Chip/Wafer)
General Description
The NJU6212 series is a C-MOS quartz crystal oscillator IC realized excellent frequency stability for fundamental (up to 60MHz) oscillation, and consists of an oscillation amplifier,4-stage divider, 3-state output buffer and a built-in LDO.The operating voltage is from 1.62V to 3.63V, and the LDO holds down the characteristic change of the oscillation amplifier for operating voltage variation, and has been stabilized oscillation frequency. The 4-stage divider generates only one frequency selected of f0,f0/2,f0/4 f0/8 and f0/16 internal circuits is output.The 3-state output buffer is C-MOS compatible of high fan-out.The oscillation stopping current is very low stand-by mode below 10uA, therefore, it is suitable for the portable items of the communication equipment and the like.
Line-up Table
Part No.FoutIntermal ConnectCg/Cd
ShortOpenN
NJU6212Af0AB-9.3/10.7pF
NJU6212Bf0/2BA29.3/10.7pF
NJU6212Cf0/4BA49.3/10.7pF
NJU6212Df0/8BA89.3/10.7pF
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