ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) FEATURES * * * * * * PIN CONFIGURATION 65MHz to 130MHz Crystal input. Output range: 32.5MHz - 130MHz (no PLL). Low Injection Power for crystal, 50uW. PECL (ABX2038) or LVDS output (ABX2039). Supports 2.5V or 3.3V-Power Supply. Available in 16-Pin TSSOP. 1 16 N/C XIN 2 15 N/C XOUT 3 14 GND N/C 4 13 CLKC S2 5 12 VDD DESCRIPTION OE 6 11 CLKT The ABX2038/39 is a family of XO IC's specifically designed to work with high frequency fundamental or 3 rd OT crystals from 65MHz to 130MHz, with selectable PECL or LVDS outputs. They achieve very low current into the crystal resulting in better overall stability. Their very low jitter makes them ideal for the most demanding timing requirements. N/C 7 10 N/C GND 8 9 N/C ABX203x VDD BLOCK DIAGRAM OUTPUT ENABLE LOGICAL LEVELS XIN XOUT OE Part # Q ABX2038 Q Oscillator Amplifier ABX2039 S2 OE 0 (Default) 1 0 1 (Default) State Output enabled Tri-state Tri-state Output enabled OE input: Logical states defined by PECL levels for ABX2038 Logical states defined by CMOS levels for ABX2039 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1 ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) PIN DESCRIPTIONS Name Number Type XIN XOUT 2 3 I I S2 5 I OE GND CLKT CLKC N/C VDD 6 8, 14 11 13 4,7,9,10,15,16 1, 12 I P O O P Description Crystal input. See Crystal Specifications on page 2. Crystal output. See Crystal Specifications on page 2. When pulled low the output is equal to the input divided by 2. Internal pull up. Output enable. See Output Enable Logic table on page 1. Ground. True output PECL (ABX2038) or LVDS (ABX2039). Complementary output PECL (ABX2038) or LVDS (ABX2039). Not connected. Power supply. ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Ambient Operating Temperature* Junction Temperature Lead Temperature (soldering, 10s) ESD Protection, Human Body Model SYMBOL MIN. V DD VI VO TS TA TJ -0.5 -0.5 -65 -40 MAX. UNITS 4.6 V DD +0.5 V DD +0.5 150 85 125 260 2 V V V C C C C kV Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specification is not implied. * Note: Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2. Crystal Specifications PARAMETERS Oscillation Frequency Crystal Load Inter-electrode capacitance SYMBOL CONDITIONS MIN. OF CL C0 Fund 65 TYP. 8.5 2.6 MAX. UNITS 130 MHz pF 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2 ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) 3. General Electrical Specifications PARAMETERS SYMBOL Supply Current (Loaded Outputs) Operating Voltage I DD CONDITIONS MIN. PECL/LVDS V DD 2.97 45 45 @ 1.25V (LVDS) @ V DD - 1.3V (PECL) Output Clock Duty Cycle TYP. 50 50 50 Short Circuit Current MAX. UNITS 100/80 mA 3.63 55 55 V % mA 4. Jitter Specifications PARAMETERS Period jitter RMS Period jitter peak-to-peak Integrated jitter RMS CONDITIONS MIN. 77.76MHz 77.76MHz Integrated 12kHz to 20MHz at 77.76MHz TYP. MAX. 2.5 18.5 0.5 UNITS ps ps ps 5. Phase Noise Specifications PARAMETERS Phase Noise relative to carrier FREQUENCY @10Hz @100Hz @1kHz @10kHz @100kHz UNITS 77.76MHz -75 -95 -125 -145 -155 dBc/Hz 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3 ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) 6. LVDS Electrical Characteristics PARAMETERS SYMBOL Output Differential Voltage V DD Magnitude Change Output High Voltage Output Low Voltage Offset Voltage Offset Magnitude Change V OD V OH V OL V OS Power-off Leakage I OXD Output Short Circuit Current I OSD CONDITIONS V OD R L = 100 (see figure) MIN. TYP. MAX. UNITS 247 -50 355 454 50 1.6 0.9 1.125 0 V OS V out = V DD or GND V DD = 0V 1.4 1.1 1.2 3 1.375 25 mV mV V V V mV 1 10 uA -5.7 -8 mA 7. LVDS Switching Characteristics PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Differential Clock Rise Time tr 0.2 0.7 1.0 ns Differential Clock Fall Time tf R L = 100 C L = 10 pF (see figure) 0.2 0.7 1.0 ns LVDS Levels Test Circuit LVDS Switching Test Circuit OUT OUT CL = 10pF 50 VOD VDIFF VOS RL = 100 50 CL = 10pF OUT OUT LVDS Transistion Time Waveform OUT 0V (Differential) OUT 80% VDIFF 80% 0V 20% 20% tR tF 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 4 ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) 8. PECL Electrical Characteristics PARAMETERS SYMBOL CONDITIONS MIN. V OH V OL R L = 50 to (V DD - 2V) (see figure) V DD - 1.025 Output High Voltage Output Low Voltage MAX. UNITS V DD - 1.620 V V 9. PECL Switching Characteristics PARAMETERS SYMBOL Clock Rise Time Clock Fall Time tr tf CONDITIONS MIN. @20/80% - PECL @80/20% - PECL PECL Levels Test Circuit OUT MAX. UNITS 0.6 0.5 1.5 1.5 ns ns PECL Output Skew OUT VDD 50 TYP. 2.0V 50% 50 OUT tSKEW OUT PECL Transistion Time Waveform DUTY CYCLE 45 - 55% 55 - 45% OUT 80% 50% 20% OUT tR tF 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 5 ABX2038/39 PECL and LVDS Low Phase Noise XO (for 65-130MHz Output) PACKAGE INFORMATION 16 PIN TSSOP ( m m ) Sym bol A A1 B C D E H L e M in. M ax. 1.20 0.05 0.15 0.19 0.30 0.09 0.20 4.90 5.10 4.30 4.50 6.40 BSC 0.45 0.75 0.65 BSC E H D A A1 C e L B ORDERING INFORMATION For part ordering, please contact our Sales Department: 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 PART NUMBER The order number for this device is a combination of the following: Device number, Package type and Operating temperature range ABX203x O C PART NUMBER TEMPERATURE C=COMMERCIAL I=INDUSTRAL PACKAGE TYPE O=TSSOP Q=QFN Order Number Marking Package Option ABX2038OC ABX2038OC-T ABX2039OC ABX2039OC-T ABX2038OC ABX2038OC ABX2039OC ABX2039OC TSSOP TSSOP TSSOP TSSOP - Tube Tape & Reel Tube Tape & Reel Abracon Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information furnished by Abracon is believed to be accurate and reliable. However, Abracon makes no guarantee or warranty concerning the accuracy of said information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product. LIFE SUPPORT POLICY: Abracon's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President of Abracon Corporation. 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 6