Crystal Oscillator
actual size
Oscillator JT21G · JT21GE · TCXO for GPS
RoHS
2011/65/EC
- Temp. Compensated Crystal Oscillator, 2.0 x 1....
Description
actual size
Oscillator JT21G · JT21GE · TCXO for GPS
RoHS
2011/65/EC
- Temp. Compensated Crystal Oscillator, 2.0 x 1.6 mm - special type for navigation systems (GPS etc.) - high stability ±0.5 ppm - temperature range up to -40 °C ~ +85 °C - JT21GE with enable/disable function
RoHS compliant Pb free
REACH compliant
Conflict mineral free
GENERAL DATA
TYPE
JT21G TCXO / JT21GE with E/D
frequency range
26.0 / 38.40 MHz (other frequ. case by case)
frequency tolerance/ stability
at +25°C temperature aging first year
±2.0 ppm (incl. 2x reflow) ±0.5 ppm (stability code E) ±1 ppm
supply voltage ±0.2 ppm (at VDC ± 5 %) load change ±0.2 ppm (at 10 KΩ || 10 pF +/-10 %)
current consumption
2.0 mA (at 26.0 / 38.40 MHz)
supply voltage VDC temperature operating
1.8 / 2.5 / 2.8 / 3.0 / 3.3 (±5 %) * -30 °C ~ +85 °C (temperature code M) -40 °C ~ +85 °C (temperature code K)
storage
-40 °C ~ +85 °C
output
load nom.
10 KΩ // 10 pF
level min.
0.8 Vpp (clipped sine)
temperature slope max.
0.1 ppm / °C (at max. temp step 2 °C)
static frequency hysteresis (max. frequency difference at +25 °C, measured before and after a full cold-hot-cold cycle)
0.6 ppm
start-up time max.
2.5 ms
phase noise at 100 Hz
-117 dBc/Hz typ.
at ƒo 26 MHz
at 1 KHz at 10 KHz
-137 dBc/Hz typ. -149 dBc/Hz typ.
ENABLE / DISABLE FUNCTION
PIN #1 (E/D CONTROL)
PIN #3 (OUTPUT)
open
active
high “1” (VIH ≥ 0.8 VDC) low “0” (VIL ≤ 0.2 VDC)
active high impedance
stop function (JT21GE only): – os...
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