PL620-88OC

PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) FEATURES   Crystal input range: 19MHz to 65MHz Output range: 9.5MHz – 65MHz Very low phase noise and jitter Complementary outputs: o LVPECL (PL620-88) o LVDS (PL620-89) Supports 2.5V or 3.3V Power Supply. Available in 16 pin TSSOP GREEN/RoHS compliant package. VDD 1 16 DNC XIN 2 15 DNC XOUT 3 14 GNDBUF DNC 4 13 QBAR S2^ 5 12 VDDBUF OE 6 11 Q DNC 7 10 GNDBUF GND 8 9 PL620-8x     PIN CONFIGURATION GND TSSOP-16L Note: ^ denotes internal pull up OUTPUT ENABLE LOGIC TABLE DESCRIPTION The PL620-88 (LVPECL) and PL620-89 (LVDS) are XO ICs specifically designed to work with fundamental or 3 rd OT crystals between 19MHz and 65MHz. The selectable divide by two feature extends the output range from 9.5MHz to 65MHz. They require very low current into the crystal resulting in better overall stability. PL620-88 PL620-89 OE 0 (Default) State Output enabled 1 Tri-state 0 Tri-state 1 (Default) Output enabled OUTPUT FREQUENCY DIVIDE BY TWO SELECTOR (S2) BLOCK DIAGRAM O E Q X+ Part Number S2 Output 0 Intput/2 1(Default) Input Q Oscillator Amplifier S2 X- Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 1 PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) PACKAGE PIN ASSIGNMENT Name Pin# Description VDD 1 Power Supply. XIN 2 Crystal input. See Crystal Specification on page 3. XOUT 3 Crystal output. See Crystal Specification on page 3. DNC 4, 7, 15, 16 S2 5 OE 6 GND 8, 9 Ground. GNDBUF 10 Ground for output buffer circuitry. Q 11 LVPECL or LVDS output. VDDBUF 12 Power supply for output buffer circuitry. QBAR 13 Complementary LVPECL or LVDS output. GNDBUF 14 Ground for output buffer circuitry. Do Not Connect. Output Divide by Two selector pin. See the OUTPUT DIVIDE BY TWO SELECTOR table on page 1. Output Enable input. See OUTPUT ENABLE LOGIC table on page 1. ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS Supply Voltage SYMBOL MIN V DD MAX UNITS 4.6 V Input Voltage, dc VI -0.5 V DD+0.5 V Output Voltage, dc VO -0.5 V DD+0.5 V Storage Temperature TS -65 150 C Ambient Operating Temperature TA -40 85 C Junction Temperature TJ 125 C Lead Temperature (soldering, 10s) 260 C ESD Protection, Human Body Model 2 kV Exposure of the device under conditions beyond the limits specified by Maximum Ratings for exten ded periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the dev ice at these or any other conditions above the operational limits noted in this speci fication is not implied. Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 2 PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) 2. Crystal Specifications PARAMETERS SYMBOL Crystal Resonator Frequency F XIN Crystal Loading Rating CONDITIONS MIN Fundamental TYP 19 CL (x ta l) Interelectrode Capacitance C0 Recommended ESR RE MAX UNITS 65 MHz 8.5 AT cut pF 5 pF 30 Ω MAX UNITS 100/80 mA 3.63 V 55 % 3. General Electrical Specifications PARAMETERS SYMBOL CONDITIONS MIN Supply Current (Loaded Outputs) I DD LVPECL/LVDS, 15pF Load Operating Voltage V DD 2.25 @ 1.25V (LVDS) @ V DD – 1.3V (LVPECL) Output Clock Duty Cycle TYP 45 50 50 Short Circuit Current mA 4. Jitter Specifications PARAMETERS Period jitter RMS at 27MHz Period jitter peak-to-peak at 27MHz Accumulated jitter RMS at 27MHz Accumulated jitter pk-to-pk at 27MHz Random Jitter CONDITIONS MIN TYP With capacitive decoupling between V DD and GND. Over 10,000 cycles With capacitive decoupling between V DD and GND. Over 1,000,000 cycles. “RJ” measured on Wavecrest SIA 3000 MAX 2.3 18.5 20 2.3 24 25 2.3 UNITS ps ps ps Measured on Wavecrest SIA 3000 5. Phase Noise Specifications PARAMETERS FREQUENCY @10Hz @100Hz @1kHz @10kHz @100kHz UNITS Phase Noise relative to carrier 27MHz -75 -100 -125 -140 -145 dBc/Hz Note: Phase Noise measured on Agilent E5500 Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 3 PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) 6. LVDS Electrical Characteristics PARAMETERS SYMBOL Output Differential Voltage V DD Magnitude Change MIN TYP MAX UNITS V OD 247 355 454 mV V OD -50 50 mV 1.6 V Output High Voltage V OH Output Low Voltage V OL Offset Voltage CONDITIONS 1.4 RL = 100 Ω (see figure) 0.9 1.1 V OS 1.125 1.2 1.375 V Offset Magnitude Change V OS 0 3 25 mV Power-off Leakage I OXD 1 10 uA Output Short Circuit Current I OSD -5.7 -8 mA V ou t = V DD or GND V DD = 0V V 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 RL = 100 Ω CL = 10 pF (see figure) 0.2 0.7 1.0 ns LVDS Levels Test Circuit LVDS Switching Test Circuit OUT OUT CL = 10pF 50 VO D VO S VDIF F RL = 100  50 CL = 10pF OUT OUT LVDS Transistion Time Waveform OUT 0V (Differential) OUT 80% VDIF F 80% 0V 20% 20% tR tF Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 4 PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) 8. LVPECL Electrical Characteristics PARAMETERS SYMBOL CONDITIONS MIN Output High Voltage V OH V DD – 1.025 Output Low Voltage V OL RL = 50Ω to (V DD – 2V) (see figure) MAX UNITS V V DD – 1.620 V 9. LVPECL Switching Characteristics PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS Clock Rise Time tr @20/80% - LVPECL 0.6 1.5 ns Clock Fall Time tf @80/20% - LVPECL 0.5 1.5 ns LVPECL Levels Test Circuit OUT LVPECL Output Skew VDD 50? OUT 2.0V 50% 50? OUT tSKEW OUT LVPECL Transistion Time Waveform DUTY CYCLE 45 - 55% 55 - 45% OUT 80% 50% 20% OUT tR tF Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 5 PL620-88/-89 Low Phase Noise XO (9.5-65MHz Output) PACKAGE INFORMATION 16 PIN TSSOP ( mm ) Symbol A A1 B C D E H L e Min. Max. 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: 2180 Fortune Drive, San Jose, CA 95131, USA Tel: (408) 944-0800 Fax: (408) 474-1000 PART NUMBER The order number for this device is a combination of the following: Device number, Package type and Operating temperature range PL 620-8x OC PART NUMBER TEMPERATURE C=COMMERCIAL I=INDUSTRIAL PACKAGE TYPE O=TSSOP Order Number Marking PL620-88OC-R PL620-88OC PL620-89OC-R PL620-89OC P620-88 P620-88 P620-89 P620-89 Package Option OC OC OC OC TSSOP TSSOP TSSOP TSSOP – – – – Tape and Reel Tube Tape and Reel Tube Micrel Inc., reserves the right to make changes in its products or specifications, or both at any time without notice. The informati on furnished by Micrel is believed to be accurate and reliable. However, Micrel makes no guarantee or warranty concerning the acc uracy 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: Micrel’s products are not authorized for use as critical components in life supp ort devices or systems without the express written approval of the President of Micrel Inc. Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 4/28/09 Page 6