PL502-02 MICREL | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 5
Technical content
Low Phase Noise VCXO (24MHz to 50MHz) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474 -1000 • www.micrel.com Rev 5/16 /11 Page 1
FEATURES
Low phase noise VCXO output for the 24MHz to 50MHz r ange ( -130 dBc at 10kHz offset) LVCMOS output 12 to 25MHz crystal input Integrated variable capacitors Available with High Drive (30mA) or Standard Drive (10mA) output Wide pull range ( ± 250 pp m typ ical ) Low period jit ter: 3ps RMS 3.3V operation Available in 8 -Pin SO P.
DESCRIPTION
The PL502 -02 is a low cost, high performance, low phase noise VCXO, pr oviding less than -130dBc at 10kHz offset in the 24MHz to 50MHz operating range. The very low jitt er (3 ps RMS p eriod jitter) makes this chip ideal for applications requiring vol t- age co ntrolled frequency sources. Input crystal can range from 12 MHz to 25MHz (fundamental res onant mode). PIN CONFIGURATION OUTPUT RANGE MULTIPL IER FREQUENCY RANGE OUTPUT BUFFER x2 24 to 50MHz LVCMOS BLOCK DIAGRAM Reference Divider Phase Comparator Charge Pump Loop Filter VCO VCO Divider XTAL OSC OEXIN XOUT CLK VCON VARICAP PL502-02 4 5 8XOUT N/C VCON GND XIN VDD CLK N/C SOP-8L
Low Phase Noise VCXO (24MHz to 50MHz) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474 -1000 • www.micrel.com Rev 5/16 /11 Page 2 PIN DESCRIPTIONS Name Number Type Description XOUT 1 I Crystal output. See Crystal Specifications on page 4. N/C 2,7 - Not connected. VCON 3 I Voltage Control input. GND 4 P Ground. CLK 5 O Output clock . VDD 6 P +3.3V power supply. XIN 8 I Crystal input. See Crystal Specifications on page 4. ELECTRICAL SPECIFICA TIONS 1. Absolute Maximum Ratings PARAMETERS SYMBOL MIN. MAX. UNITS Supply Voltage VDD 4.6 V Input Voltage, dc VI -0.5 VDD +0.5 V Output Voltage, dc VO -0.5 VDD +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 unde r 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 dev ice at these or any other co n- ditions above the operational limits noted in this specification is not implied. Note : Operating Temperature is guaranteed by design for all parts (CO M- MERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2. AC Electrical Specificatio ns PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Input Crystal Frequency 12 25 MHz Output Clock Rise/Fall Time (Standard Drive) tr/t f 0.3V ~ 3.0V, 15 pF load 2.4 ns Output Clock Rise/Fall Time (High Drive) tr/t f 0.3V ~ 3.0V, 15 pF load 1.2 Output Clock Duty Cycle Measured @ 50% V DD 45 50 55 %
Low Phase Noise VCXO (24MHz to 50MHz) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474 -1000 • www.micrel.com Rev 5/16 /11 Page 3 3. DC Specifications PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Supply Current, Dynamic, with Loaded Outputs IDD FXIN = 25MHz Output load 10pF 16 20 mA Operating Voltage VDD 2.97 3.63 V Output Drive Current (High Drive) IOH VOH = V DD -0.4V, V DD =3.3V 30 mA IOL VOL = 0.4V, V DD = 3.3V 30 mA Output Drive Current (Standard Drive) IOH VOH = V DD -0.4V, V DD =3.3V 10 mA IOL VOL = 0.4V, V DD = 3.3V 10 mA VCXO Control Voltage VCON 0 3.3 V 4. Voltage Control Crystal Oscillator PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS VCXO Stabilization Time * TVCXOSTB From power valid 10 ms VCXO Tuning Range FXIN = 12 – 25MHz; XTAL C 0 /C1 < 250 0V VCON 3.3V 500 ppm CLK output pullabilit y VCON=1.65V, 1.65V 200 ppm VCXO Tuning Characteristic 165 ppm/V Pull range linearity 10 % VCON pin input impedance 2000 kΩ VCON modulation BW 0V VCON 3.3V, -3dB 10 kHz Note: Parameters denoted with an asterisk (*) represent no minal characterization data and are not production tested to any specific limits. 5. Jitter and Phase Noise Specification PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS RMS Period Jitter (1 sigma – 1000 samples) 44MHz, with capacitive decou pling between V DD and GND 3 ps Phase Noise relative to ca rrier 44MHz @100Hz offset -100 dBc/Hz Phase Noise relative to ca rrier 44MHz @1kHz offset -123 dBc/Hz Phase Noise relative to ca rrier 44MHz @10kHz offset -130 dBc/Hz Phase Noise relative to ca rrier 44MHz @10 0kHz offset -125 dBc/Hz Phase Noise relative to ca rrier 44MHz @1MHz offset -125 dBc/Hz
Low Phase Noise VCXO (24MHz to 50MHz) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474 -1000 • www.micrel.com Rev 5/16 /11 Page 4 6. Crystal Specifications PARAMETERS SYMBOL MIN. TYP. MAX. UNITS Crystal Resonator Frequency FXIN 12 25 MHz Crystal Loading Capacitance Ra ting CL (x ta l) 9.5 pF C0/C1 250 - ESR RS 30 Ω Note : Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V. It is assumed that the cr ystal will be at nom i- nal frequency at this load. If the crystal requires more load to be at nominal frequency, the additiona l load must be added externally. This ho wever may reduce the pull range. PACKAGE INFORM ATION (GREEN PACKAGE COMPLIANT) C L A E H D e B
8 PIN SOP (in mm)
Symbol Min. Max. A 1.47 1.73 A1 0.10 0.25 B 0.33 0.51 C 0.19 0.25 D 4.80 4.95 E 3.80 4.00 H 5.80 6.20 L 0.38 1.27 e 1.27 BSC
Low Phase Noise VCXO (24MHz to 50MHz) Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474 -1000 • www.micrel.com Rev 5/16 /11 Page 5 ORDERIN G INFORMATION (GREEN PACKAGE COMPLIANT) Micrel Inc., reserves the right to make changes in its pr oducts or specifications, or both at any time without notice. The information furnished by Micrel is believed to be accurate and reliable. However, Micrel makes no guarantee or warranty concerning the accuracy of said info rmation and shall not be responsi ble 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 support devices or systems without the express written approval of the President of Micrel Inc. 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: Part number, Package type and Operating temperature range PL502-02 H X X - X Part Number Package Type S=SOP-8L Temperature Range C=Commercial (0°C to 70°C) I=Industrial (-40°C to 85°C) Shipping Option Blank=Tube R=Tape & Reel Optional High Drive Part/ Order Number Marking Package Option PL502-02SC P502-02 SC LLLLL SOP - Tube PL502-02SC-R SOP - Tape and Reel PL502-02HSC P502-02H SC LLLLL SOP - Tube PL502-02HSC-R SOP - Tape and Reel *Note: “LLL ” or “LLL LL ” are designates lot number