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| HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Typical Applications Features SSB Phase Noise: -153 dBc/Hz @ 100 kHz Selectable Division from 2 to 32 Parallel 5-Bit Control Wide Input Power Range: -20 to +10 dBm 4mm x 4mm Leadless SMT Package 6 FREQUENCY DIVIDERS & DETECTORS - SMT Programmable divider for offset synthesizer and variable divide by N applications: * Satellite Communication Systems * Point-to-Point and Point-to-Multi-Point Radios * LMDS * SONET Functional Diagram General Description The HMC394LP4 & HMC394LP4E are low noise GaAs HBT programmable 5-bit counters in 4mm x 4mm leadless surface mount packages. This device allows continuous division from N= 2 to 32 at input frequencies up to 2.2 GHz. The output voltage swing is 800 mV with a duty cycle inversely proportional to N. The low additive SSB phase noise of -153 dBc/Hz at 100 KHz offset makes this counter an excellent choice for low noise synthesizer applications. Electrical Specifications, TA = +25 C, 50 Ohm System, Vcc= 5V Parameter Maximum Input Frequency Minimum Input Frequency Input Power Range Output Power SSB Phase Noise Output Transition Time Supply Current (Icc) 1. Divider will operate down to DC for square-wave input signal. Sine Wave Input [1] Fin = 0.1 to 2.2 GHz Divide-by-2 Fin = 1 GHz, N = 4 -15 >-20 4 -153 100 194 Conditions Min. 2.2 0.1 +10 Typ. Max. Units GHz GHz dBm dBm dBc/Hz ps mA 6 - 50 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Input Sensitivity Window vs. Temperature, N= 16, T= -40 C to +85 C 20 Input Sensitivity Window, 5 major Divide Ratio States, T= 25 C 20 6 FREQUENCY DIVIDERS & DETECTORS - SMT 6 - 51 10 INPUT POWER (dBm) INPUT POWER (dBm) 2 2.5 3 10 0 0 -10 Recommended Operating Window -10 -20 -20 -30 0 0.5 1 1.5 INPUT FREQUENCY (GHz) -30 0 0.5 1 1.5 2 2.5 3 INPUT FREQUENCY (GHz) Output Power, 5 Major Divide Ratio States, T= 25 C 10 N=2 5 Output Power (dBm) 0 -5 -10 N=32 -15 -20 0.4 N=4 SSB Phase Noise Performance, Fin= 1 GHz, N= 4, T= 25 C -60 -70 SSB PHASE NOISE (dBc/Hz) -80 -90 -100 -110 -120 -130 -140 -150 N=8 N=16 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -160 2 10 10 3 10 4 10 5 10 6 10 7 INPUT FREQUENCY (GHz) OFFSET FREQUENCY (Hz) Fundamental Feedthru Power, Pin= 0 dBm, T= 25 C 0 Typical Supply Current vs. Vcc Vcc (V) 4.75 Icc (mA) 176 194 210 -10 OUTPUT LEVEL (dBm) 5.0 5.25 -20 Note: Divider will operate over full voltage range shown above. N=2 N=4 N=8 N=16 N=32 -30 -40 -50 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz 3rd Harmonic, Pin= 0 dBm, T= 25 C 0 N=2 N=4 N=8 2nd Harmonic, Pin= 0 dBm, T= 25 C 6 OUTPUT LEVEL (dBm) 0 FREQUENCY DIVIDERS & DETECTORS - SMT -10 OUTPUT LEVEL (dBm) -5 -5 -10 -15 N=4 N=8 N=16 N=32 N=32 -15 N=16 -20 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -20 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz) 4th Harmonic, Pin= 0 dBm, T= 25 C 0 -5 OUTPUT LEVEL (dBm) -10 -15 -20 -25 -30 0.4 N=2 N=8 N=16 N=32 5th Harmonic, Pin= 0 dBm, T= 25 C 0 -5 OUTPUT LEVEL (dBm) -10 -15 -20 -25 -30 0.4 N=2 N=4 N=8 N=16 N=32 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz) Output Voltage Wavform, Fin= 1 GHz, N= 2, Pin= 0 dBm, T= 25 C 300 200 AMPLITUDE (mV) 100 0 -100 -200 -300 38 Output Voltage Wavform, Fin= 1 GHz, N= 17, Pin= 0 dBm, T= 25 C 500 400 AMPLITUDE (mV) 300 200 100 0 -100 48 38.5 39 39.5 TIME (nS) 40 40.5 41 50 52 54 56 58 60 62 64 66 68 70 TIME (nS) 6 - 52 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Absolute Maximum Ratings RF Input (Vcc = +5V) Vcc VLogic Maximum Channel Temperature Continuous Pdiss (T = 85 C) (derate 55 mW/C above 85 C) Storage Temperature Operating Temperature +13 dBm +5.5V -1.6 to -1.2 Vcc 135 C 1.155 W -65 to +150 C -55 to +85 C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS 6 FREQUENCY DIVIDERS & DETECTORS - SMT Outline Drawing NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED LAND PATTERN. Package Information Part Number HMC394LP4 HMC394LP4E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] Package Marking [3] H394 XXXX H394 XXXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 6 - 53 HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Pin Description 6 FREQUENCY DIVIDERS & DETECTORS - SMT Pin Number Function Description Interface Schematic 1-5 AO - A4 CMOS compatible control input bit 0 (LSB) - 4. 6, 9, 10, 11, 12, 15, 18, 19, 20, 21, 22 GND Ground: Backside of package has exposed metal ground slug which must be connected to ground. 7, 8, 23, 24 VCC Supply voltage 5V 0.25V must be applied to all four pins. 13 IN RF input 180 out of phase with pin 14 must be AC ground. 14 IN RF input must be DC blocked. 16 OUT Divided output pulse. 17 OUT Divided output pulse 180 out of phase with pin 16. 6 - 54 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz HMC394LP4 Programming Truth Table Function Output Low /2 /3 /4 / 32 (LSB) A0 0 1 0 1 1 A1 0 0 1 1 1 A2 0 0 0 0 1 A3 0 0 0 0 1 A4 0 6 FREQUENCY DIVIDERS & DETECTORS - SMT 6 - 55 0 0 0 1 Note: A0 through A4 are CMOS compatible logic control inputs. Application Circuit, (2 GHz - Divide-by-20) * Note: Mount bypass capacitors as close to pins as possible. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Evaluation PCB 6 FREQUENCY DIVIDERS & DETECTORS - SMT The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and backside ground slug should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request. List of Materials for Evaluation PCB 104898 [1] Item J1 - J3 C1 - C2 [2] C3 - C4 [2] C5 - C8 R1* S1 - S6 U1 PCB Description PCB Mount SMA RF Connector 1.0 F Tantalum Capacitor .01 F Capacitor, 0603 Pkg. 1000 pF Capacitor, 0603 Pkg. Resistor SIP 10 K ohm Jumper (shunt) 2mm HMC394LP4 / HMC394LP4E 5-Bit Counter 104435 Eval Board HMC394LP4 Evaluation PCB Truth Table Function Output Low /2 /3 /4 / 32 S1 0 1 0 1 1 S2 0 0 1 1 1 S3 0 0 0 0 1 S4 0 0 0 0 1 S5 0 0 0 0 1 Note: 0 = Jumper Installed. 1 = Jumper Not Installed. [1] Reference this number when ordering complete evaluation PCB [2] Optional components. Note: The evaluation PCB for the HMC394LP4 contains 10K Ohm pull up resistors for each of the five control inputs A0 through A4. Programming the 31 distinct division ratios consists of installing or removing jumpers S1 through S5, as shown above. Jumper S6 must always be installed to provide ground to pin 20. 6 - 56 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Applications Information Simplified Block Diagram 6 FREQUENCY DIVIDERS & DETECTORS - SMT 6 - 57 Asynchronous Programming The 5-Bit programmable counter counts-down from the programmed value of the data bits to zero and issues an output pulse at the end of each cycle. Settling time of the programmable 5-Bit counter is defined as the maximum time required for the counter to change the division ratio N to a new value after the data bits have settled. The worst case settling time occurs if the data bits A0 thru A4 are changing during the load cycle. Under this condition, the data bits may potentially be erroneous when they are clocked in and in the worst case could be all 1's, requiring 32 clock cycles until the correct data is re-loaded into the flip flops. The worst case asynchronous settling time can be calculated as follows: TSETTLING MAX = 32/fIN (For Asynchronous Programming) As an example, if the input frequency is 1 GHz, the maximum settling time is 32 nS For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v08.0607 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Synchronous Programming 6 FREQUENCY DIVIDERS & DETECTORS - SMT For applications which can not tolerate a momentary undefined division ratio, which normally occurs while changing the data bits (A0-A4) at random, synchronous programming can be used. Data is loaded into the counter on every rising edge of the clock which occurs while the output (OUT) is "HIGH". The typical minimum setup and hold times are shown in the table below as a function of frequency. For precision applications, the rising edge of the complementary output may be used to latch the new data bits (A0-A4), so that all bits are settled before the next load cycle. TSETTLING MAX = N/fIN (For Synchronous Programming) Where N is the desired division ratio, and fIN = Input Frequency (Hz) Parameter 0.5 GHz 200 ps 700 ps 1 GHz 200 ps 300 ps 2 GHz 200 ps 120 ps tSETUP tHOLD Programmable Divider Timing Requirements for Synchronous Programming t OUT SU t HOLD OUT Rising Edge to Clock New Data A0-A4 CURRENT DATA NEW DATA IN Data Load Rising Edge 6 - 58 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC394LP4 / 394LP4E v07.0705 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz CMOS/TTL Input Characteristics Maximum Input Logic "0" Voltage (VIL MAXIMUM) = 1.1V @ 10 uA. Minimum Input Logic "1" Voltage (VIH MINIMUM) = 1.8V @ 500 uA. 6 FREQUENCY DIVIDERS & DETECTORS - SMT 6 - 59 Input IV characteristics for the logic inputs (A0-A4) are shown below: 0.4 V 0.2 Input Current (mA) 0 -0.2 -0.4 -0.6 -0.8 0 IL MAX V IH MIN 1 2 3 4 5 Input Voltage (V) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com |
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