HMC542ALP4 / 542ALP4E
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HMC542ALP4E (pdf) |
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Attenuators - Digital - SMT HMC542ALP4 / 542ALP4E v06.0312 Designer’s Kit Available dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 4 GHz The HMC542ALP4 E is ideal for • Cellular/PCS/3G Infrastructure • ISM, MMDS, WLAN, WiMAX, & WiBro • Microwave Radio & VSAT • Test Equipment and Sensors Functional Diagram dB LSB Steps to dB TTL/CMOS Compatible Serial Data Interface SPI Compatible Serial Output ± dB Typical Step Error Single +5V Supply 24 Lead 4x4mm QFN Package: The HMC542ALP4 E is a broadband 6-bit GaAs IC digital attenuator with a CMOS compatible serial to parallel driver in low cost leadless surface mount package. This serial control digital attenuator incorp rates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 4 GHz, the insertion loss is dB and the attenuator bit values are LSB , 1, 2, 4, 8, and 16 dB for a total attenuation of dB. Attenuation accuracy is excellent at dB typical step error with an IIP3 of +45 dBm. Six bit serial control words are used to select each attenuation state. A single Vdd bias of +5V is required. Electrical Specifications, TA = +25° C, with Vcc = +5V Parameter Insertion Loss Attenuation Range Frequency GHz Min. Typ. DC - GHz - GHz - GHz DC - GHz Max. Units Return Loss RF1 & RF2, All Atten. States DC - GHz Attenuation Accuracy Referenced to Insertion Loss All Attenuation States - dB States - dB States All Attenuation States - dB States - dB States Input Power for dB Compression Input Third Order Intercept Point Two-Tone Input Power= 0 dBm Each Tone Switching Characteristics tRISE, tFALL 10/90% RF tON, tOFF 50% CTL to 10/90% RF DC - GHz - GHz - GHz - GHz - GHz - GHz - GHz - GHz - GHz DC - GHz ± + 3% of Atten. Setting Max. ± + 3% of Atten. Setting Max. ± + 4% of Atten. Setting Max. ± + 3% of Atten. Setting Max ± + 5% of Atten. Setting Max ± + 5% of Atten. Setting Max. 35 45 For price, delivery and to place orders Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824 Phone 978-250-3343 Fax 978-250-3373 Order On-line at Application Support Phone 978-250-3343 or Attenuators - Digital - SMT HMC542ALP4 / 542ALP4E v06.0312 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 4 GHz Insertion Loss [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material Rogers 4350 or Arlon 25FR For price, delivery and to place orders Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824 Phone 978-250-3343 Fax 978-250-3373 Order On-line at Application Support Phone 978-250-3343 or |
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