HMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Typical Applications Features t he HmC680lp 4(e) is ideal for: tt l /CmOs compatible parallel or latched parallel control interface Cellular/3g infrastructure High Output ip3: +40 dbm (at all gain settings) Wibro / Wima X / 4g l ow n oise f igure: 5 db microwave r adio & Vsa t Wide g ain Control r ange: 23 db t est equipment and s ensors 2 24 l ead 4x4 mm s mt package: 16 mm if & r f applications excellent s tate & s tep accuracy (0.05 db) General Description Functional Diagram t he HmC680lp 4(e) is a digitally controlled variable gain amplifier which operates from 30 to 400 mHz, and can be programmed to provide -4 db to +19 db 12 of gain, in 1 db steps. t he HmC680lp 4(e) delivers noise figure of 5 d b in its maximum gain state, with output ip 3 of up to +40 dbm in any state. t his high linearity d Vga also provides a differential rf output which can be used to interface directly with sa W fil ters in t x and r x applications, and with digital to analog converters in r x chains. t he HmC680lp 4(e) is housed in a r oHs compliant 4x4 mm Qfn leadless package, and is CmOs / t tl compatible. Electrical Specifications, T = +25 C, 50 Ohm System, Vdd = +5V A parameter min. t yp. max. Units f requency r ange 30 - 400 mHz g ain (maximum g ain s tate) 17 19 db g ain Control r ange 23 db input r eturn l oss 12 db Output r eturn l oss 13 db g ain accuracy: (r eferenced to maximum g ain s tate) all g ain s tates (0.15 + 3% of g ain s etting) max. db Output power for 1db Compression 23 25 dbm 1 Output t hird Order intercept point (t wo-t one Output power= +5 dbm each t one) 40 dbm 1 Output s econd Order intercept point (t wo-t one Output power= +5 dbm each t one) 65 dbm 2nd Order 70 dbc Harmonics 3rd Order 75 dbc s tep accuracy (r eferenced to maximum g ain s tate) 0.2 db n oise f igure (max gain state) 5 db tr ise, tf all (10/90% r f ) 11 ns s witching Characteristics tOn , tOff (50% Ctl to 10/90% r f ) 13 ns Control s upply Current idd 4 5 ma amp s upply Current (rf OUtp ) 122 135 ma amp s upply Current (rf OUtn ) 122 135 ma 1 t est frequency 50 mHz Information furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc., For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 rights of third parties that may result from its use. Specifications subject to change without notice. No Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Phone: 781-329-4700 Order online at www.analog.com license is granted by implication or otherwise under any patent or patent rights of Analog Devices. 12 - 1 Trademarks and registered trademarks are the property of their respective owners. Application Support: Phone: 1-800-ANALOG-D Application Support: Phone: 978-250-3343 or apps hittite.com Variable gain amplifiers - digital - smtHMC680LP4 / 680LP4E v03.0609 BiCMOS MMIC 5-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 30 - 400 MHz Normalized Attenuation (Only Major States are Shown) Maximum Gain vs. Frequency 25 0 -5 20 -10 8 dB 15 -15 16 dB +25 C -20 10 +85 C -40 C -25 5 23 dB -30 0 -35 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.1 0.2 0.3 0.4 0.5 0.6 FREQUENCY (GHz) FREQUENCY (GHz) 12 Input Return Loss Output Return Loss (Only Major States are Shown) (Only Major States are Shown) 0 0 -5 I.L I.L -5 -10 -10 -15 -20 -15 Maximum Attenuation -25 -20 -30 Maximum Attenuation -25 -35 -40 -30 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.1 0.2 0.3 0.4 0.5 0.6 FREQUENCY (GHz) FREQUENCY (GHz) Bit Error vs. Frequency (Only Major States are Shown) Bit Error vs. Attenuation State 2 5 Bit Error < 1dB, 400MHz And Below 4 1.5 3 1 2 30MHz 1, 2, 4, 8, 16 dB 0.5 1 0 0 -1 -0.5 -2 -1 -3 600MHz 23 dB -1.5 -4 Bit Error > 1dB, 450MHz And Above -2 -5 0 0.1 0.2 0.3 0.4 0.5 0.6 0 4 8 12 16 20 24 FREQUENCY (GHz) ATTENUATION STATE (dB) Information furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc., For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 rights of third parties that may result from its use. Specifications subject to change without notice. No Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Phone: 781-329-4700 Order online at www.analog.com license is granted by implication or otherwise under any patent or patent rights of Analog Devices. 12 - 2 Trademarks and registered trademarks are the property of their respective owners. Application Support: Phone: 1-800-ANALOG-D Application Support: Phone: 978-250-3343 or apps hittite.com BIT ERROR (dB) RETURN LOSS (dB) GAIN (dB) BIT ERROR (dB) RETURN LOSS (dB) NORMALIZED ATTENUATION (dB) Variable gain amplifiers - digital - s mt