Preliminary ABX0027T/37T
Low Power 3 Outputs XO 10MHz to 52MHz
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3
3. Jitter and Phase Noise Specifications
PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS
RMS Period Jitter
(1 sigma – 1000 samp les) With capacitive deco upling
between VDD and GND. 2.1 2.5 ps
Phase Noise rela tive to carrier 30M Hz @100Hz offset -80 dBc/Hz
Phase Noise rela tive to carrier 30M Hz @1kHz offset -110 dBc/Hz
Phase Noise rela tive to carrier 30M Hz @10kHz offset -130 dBc/Hz
Phase Noise rela tive to carrier 30M Hz @100kHz offset -138 dBc/Hz
Phase Noise rela tive to carrier 30M Hz @1MHz offset -145 dBc/Hz
4. DC Specifications
PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
At 10MHz, Clo ad=15pF 2.0 / 1.5 2.5 / 2 .0
At 13.5MHz, Cload=1 5pF 2.4 / 1.6 3.0 / 2.0
At 17.7MHz, Cload=1 5pF 3.0 / 2.0 3.5 / 2.5
At 27MHz, Clo ad=15pF 4.0 / 2.5 4.5 / 3 .0
Supply Current, D ynamic,
with Loaded O utputs
(at VDD = 3.3V)
Respectively for PLL60 0
-27T/-37T
IDD
At 48MHz, Clo ad=15pF 7.0 / 4.0 7.5 / 4 .5
mA
Supply Current in tri-stat e IDD Output disabled 520 µA
Operating Volt age VDD 1.62 3.63 V
-27T IOH = -12mA(1) (3.3V) 2.4 V
Output High Voltage VOH -37T(1), IOH = -12mA(1) (3.3V) 2.4 2.9 V
-27T IOL = 12mA(1) (3.3V) 0.4 V
Output Low Voltage VOL -37T(1), IOL = 12mA(1) (3.3V) 0.32 0.4 V
Output High Voltage at
CMOS level (ABX0027T) VOHC IOH = -4mA VDD – 0.4 V
Output drive current
(ABX0027T) At TTL level (3.3V) 12 17 mA
(1): ABX0037T has non-standard CMOS VOH and VOL levels for lower c urrent consumption, but meets CMOS input stage needs. ABX0037 T
should be used to drive pure capacitiv e loads only.
5. Crystal Specifications
PARAMETERS SYMBOL MIN. TYP. MAX. UNITS
Crystal Resonator Freque ncy FXIN 10 52 MHz
Crystal Loading Rat ing CL (xtal) 8.5 pF
Maximum Sustainable Dr ive Level 200 µW
Operating Drive Level 50 µW
C0 (for frequencies below 30MHz) 5 pF
C0 (for frequencies above 30MHz) 4 pF
ESR RS 30 Ω
Note: A de tailed crystal specification documen t is also available for th is part