HMC680LP4_10 HITTITE | Alldatasheet
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Technical content
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 Functional Diagram the H mC680lp4(e) is a digitally controlled variable gain amplifier which operates from 30 to 400 mHz, and can be programmed to provide -4 d b to +19 d b of gain, in 1 d b steps. the H mC680lp4(e) delivers noise figure of 5 d b in its maximum gain state, with output ip3 of up to +40 d bm in any state. this high linearity dVga also provides a differential rf output which can be used to interface directly with saW filters in tx and rx applications, and with digital to analog converters in rx chains. the HmC680lp4(e) is housed in a roHs compliant 4x4 mm Qfn leadless package, and is CmOs/ ttl compatible. Typical Applications Features General Description BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Electrical Specifications, TA = +25° C, 50 Ohm System, Vdd = +5V parameter min. typ. max. Units frequency r ange 30 - 400 mHz gain (maximum gain state) 17 19 db gain Control r ange 23 db input return loss 12 db Output return loss 13 db gain accuracy: (referenced to m aximum gain state) all gain states ± (0.15 + 3% of gain setting) max. db Output power for 1db Compression 23 25 dbm Output third Order intercept point (two-tone Output power= +5 dbm each tone) [1] 40 dbm Output second Order i ntercept point (two-tone Output power= +5 dbm each tone) [1] 65 dbm Harmonics 2nd Order 3rd Order dbc dbc step accuracy (referenced to m aximum gain state) ±0.2 db noise figure (max gain state) 5 db switching Characteristics trise, tfall (10/90% rf) tOn, tOff (50% Ctl to 10/90% rf) ns ns Control supply Current i dd 4 5 ma amp supply Current ( rfOUtp) 122 135 ma amp supply Current ( rfOUtn) 122 135 ma [1] test frequency 50 m Hz the HmC680lp4(e) is ideal for:
- Cellular/3g infrastructure
- Wibro / WimaX / 4g
- microwave radio & Vsat
- test equipment and sensors
- if & rf applications ttl/CmOs compatible parallel or latched parallel control interface High Output ip3: +40 dbm (at all gain settings) low noise figure: 5 db Wide gain Control range: 23 db 24 lead 4x4 mm smt package: 16 mm2 excellent state & step accuracy (±0.05 db)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Input Return Loss (Only Major States are Shown) Normalized Attenuation (Only Major States are Shown)Maximum Gain vs. Frequency Output Return Loss (Only Major States are Shown) -35 -30 -25 -20 -15 -10 NORMALIZED ATTENUATION (dB) FREQUENCY (GHz) 8 dB 16 dB 23 dB -40 -35 -30 -25 -20 -15 -10 RETURN LOSS (dB) FREQUENCY (GHz) I.L Maximum Attenuation -30 -25 -20 -15 -10 RETURN LOSS (dB) FREQUENCY (GHz) I.L Maximum Attenuation +25 C +85 C -40 C GAIN (dB) FREQUENCY (GHz) Bit Error vs. Frequency (Only Major States are Shown) Bit Error vs. Attenuation State 0 4 8 12 16 20 24 BIT ERROR (dB) ATTENUATION STATE (dB) Bit Error < 1dB, 400MHz And Below Bit Error > 1dB, 450MHz And Above 600MHz 30MHz -1.5 -0.5 0.5 1.5 BIT ERROR (dB) FREQUENCY (GHz) 1, 2, 4, 8, 16 dB 23 dB
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Output IP3 vs. Temperature (+5 dBm Output Power Per Tone) Output IP2 vs. Temperature (+5 dBm Output Power Per Tone) Relative Phase vs. Frequency (Only Major States are Shown) -40C +25C +85C IP3 (dBm) FREQUENCY (GHz) -40 -20 RELATIVE PHASE (deg) FREQUENCY (GHz) 16, 23 dB 1, 2, 4 dB 8 dB Noise Figure vs. Attenuation State 0 0.2 0.4 0.6 0.8 1 NOISE FIGURE (dB) FREQUENCY (GHz) 8dB I.L. 4dB 2dB 1dB Output P1dB vs. Temperature Step Accuracy vs. Frequency -40C +25C +85C P1dB (dBm) FREQUENCY (GHz) 100 -40C +25C +85C IP2 (dBm) FREQUENCY (GHz) -1.5 -0.5 0.5 1.5 STEP ERROR (dB) FREQUENCY (GHz) 1, 2, 4, 23 dB 16 dB 8 dB
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Absolute Maximum Ratings rf input power 20 dbm rf Output power 22 dbm digital inputs (b0-b4, latch enable) -0.5 to Vdd +0.5V bias Voltage (Vdd) 5.6 V Channel temperature 125 °C Continuous pdiss ( t = 85 °C) (derate 42 mW/°C above 85 °C) 1.7 W thermal resistance (channel to ground paddle) 24 °C/W storage temperature -65 to +150 °C Operating temperature -40 to +85 °C eleCtrOstatiC sensitiVe deViCe ObserVe Handling preCaUtiOns Amp Bias Voltage Vdd rf (V) idd (typ.) (ma) 5V 244 attenUatiOn (db) b4[1] b3[1] b2 b1 b0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 3 0 0 0 1 1 4 0 0 1 0 0 5 0 0 1 0 1 6 0 0 1 1 0 7 0 0 1 1 1 8 0 1 0 0 0 9 0 1 0 0 1 10 0 1 0 1 0 11 0 1 0 1 1 12 0 1 1 0 0 13 0 1 1 0 1 14 0 1 1 1 0 15 0 1 1 1 1 16 1 X 0 0 0 17 1 X 0 0 1 18 1 X 0 1 0 19 1 X 0 1 1 20 1 X 1 0 0 21 1 X 1 0 1 22 1 X 1 1 0 23 1 X 1 1 1 [1] enabling b4 disables b 3, the minimum attenuation is 16 d b Truth Table Harmonics vs. Frequency Supply Current vs. Temperature -100 -80 -60 -40 -20 2nd Harmonic 3rd Harmonic HARMONIC (dBc) FREQUENCY (GHz) 200 220 240 260 280 4.5 5 5.5 -40C +25C +85C Id (ma) VOLTAGE (V) Control Interface: the gain of H mC680lp4(e) is controlled by adjusting the state of the attenuator. the attenuator has a 5-bit parallel CmOs/ttl compatible interface. s tate of the attenuator can be set with respect to the truth table above. Power on sequence: the ideal power up sequence is: gnd, Vdd, digital inputs, rf inputs. relative order of the digital inputs is not important as long as they are powered after V dd/gnd. Control Voltage Table state Vdd = +3V Vdd = +5V low 0 to 0.5V @ <1 µa 0 to 0.8V @ <1 µa High 2 to 3V @ <1 µa 2 to 5V @ <1 µa
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz part number package body material lead finish msl rating package marking [3] HmC680lp4 low stress injection m olded plastic sn/pb solder msl1 [1] H680 XXXX HmC680lp4e roHs-compliant l ow stress injection m olded plastic 100% matte sn msl1 [2] H680 XXXX [1] max peak reflow temperature of 235 °C [2] max peak reflow temperature of 260 °C [3] 4-digit lot number XXXX
Package Information
nOtes: 1. leadframe material : COpper allOY 2. dimensi Ons 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 ma XimUm. 5. paCKage Warp sHall nOt eXCeed 0.05mm. 6. all grOUnd leads and gr OUnd paddle mUst be sOldered tO pCb rf grOUnd. 7. refer tO Hittite appli CatiOn nOte fOr sUggested land pattern .
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Pin Descriptions pin number function description interface s chematic 1 ibias bias current to amplifier. e xternal inductors required. 2, 5, 6, package bottom n/C, gnd these pins and package bottom must be connected to rf /dC ground. 3 iset external bias resistor to adjust the current of the amplifier. 4, 18 Vdd power supply 9, 10, 11, 12, 13 b4 - b0 Control inputs to digital attenuator. see truth table & Control Voltage t able. 7, 8 rfOUtp, rfOUtn balanced amplifier outputs. external components required 20, 24 ampinn, ampinp balanced amplifier inputs. external components required. 21, 23 fb2, fb1 feedback capacitance for the amplifier. 22 le Common mode emitter inductor. the le pin requires high quality (less than 200mOhms resistance) inductor to ground. an inductance of 100nH is recommended. 14 rfin rf input to digital attenuator. dC blocking capacitor required. 15, 16, 17 fC3 - fC1 external capacitors to ground are required. place these capacitors close to the package. 19 attnOUt rf output to digital attenuator. dC blocking capacitor required.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Application Circuit
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com Variable gain amplifiers - digital - smt HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Evaluation PCB the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 Ohm impedance while the package ground leads and exposed paddle 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 Hit- tite upon request. List of Materials for Evaluation PCB 115585 [1] item description J1 - J2 pCb mount sma Connector J3 12 pin dC Connector C1 - C8, C11 - C14 1000 pf Capacitor, 0402 p kg. C9 100 pf Capacitor, 0402 p kg. C10 10k pf Capacitor, 0402 p kg. C15 4.7 µf tantalum Capacitor, Case a s ize l1, l2 680 nH inductor, 0805 p kg. l3, l4 330 nH inductor, 0603 p kg. l5 100 nH inductor, 0603 p kg. r1 680 Ohm resistor, 0603 p kg. r2 - r6 39 kOhm resistor, 0402 pkg. r7, r8 0 Ohm resistor, 0402 pkg. t1, t2 1:1 rf transformer, ma /COm smt balun (etC1-1-13) U1 HmC680lp4(e) Variable gain amplifier pCb [2] 115584 evaluation pCb [1] reference this number when ordering complete evaluation p Cb [2] Circuit board material: arlon 25fr or rogers 4350