HMC759LP3E_10

HMC759LP3E v00.0909 0.25 dB LSB BiCMOS MMIC 7-BIT DIGITAL ATTENUATOR, 10 - 300 MHz Features 0.25 dB LsB steps to 31.75 dB Power-up state selection High Input IP3: +40 dBm ttL/CMos Compatible, serial Control excellent state & step Accuracy ±0.25 dB single +5V supply 16 Lead 3x3mm sMt Package: 9mm2 8 AttenuAtors - DIGItAL - sMt Typical Applications the HMC759LP3e is ideal for: • Cellular/3G Infrastructure • WiBro / WiMAX / 4G • Microwave radio & VsAt • test equipment and sensors • IF & rF Applications Functional Diagram General Description the HMC759LP3e is a 7-bit BiCMos Digital Attenuator in a low cost leadless sMt package. this versatile digital attenuator incorporates off-chip AC ground capacitors for near DC operation, making it suitable for a wide variety of rF and IF applications. the control interface is CMos/ttL compatible and accepts a three wire serial input. the HMC759LP3e features user selectable power up states and a serial output port for cascading other Hittite serial controlled components. the HMC759LP3e is housed in a roHs compliant 3x3 mm QFn leadless package, and occupies only 9 mm2. Electrical Specifications Parameter Insertion Loss Attenuation range return Loss (rF1, rF2, All Atten. states) TA = +25 °C, 50Ω System, with Vdd1 = Vdd2 = +5V & Vctl = 0/+5V Frequency (MHz) 10 - 300 10 - 300 10 - 300 10 - 300 10 - 50 50 - 300 10 - 50 50 - 300 10 - 300 10 - 300 300 Min. typ. 3.3 31.75 10 ± (0.05 + 1.5% of Atten. settling) Max. 20 21 39 >40 650 15 1000 Max. 4.5 units dB dB dB dB dBm dBm dBm dBm µA ns Attenuation Accuracy: (referenced to Insertion Loss) All Attenuation states Input Power for 1 dB Compression Input third order Intercept Point (two-tone Input Power = 0 dBm each tone) Bias Current (Idd1 + Idd2) switching time (50% Le to 90% rF) 8-1 F or 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 HMC759LP3E v00.0909 0.25 dB LSB BiCMOS MMIC 7-BIT DIGITAL ATTENUATOR, 10 - 300 MHz Insertion Loss vs. Temperature 0 +25C +85C -40C Normalized Attenuation [1] [1] (Only Major States are Shown) 0 -5 -10 8 dB -15 -20 -25 -30 -35 16 dB 8 AttenuAtors - DIGItAL - sMt 8-2 NORMALIZED ATTENUATION (dB) INSERTION LOSS (dB) -1 4 dB -2 -3 -4 31.75 dB -5 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 FREQUENCY (GHz) FREQUENCY (GHz) Input Return Loss [1] -5 (Only Major States are Shown) Output Return Loss [1] -5 (Only Major States are Shown) -10 RETURN LOSS (dB) -15 RETURN LOSS (dB) 4 dB 8 dB -10 0 dB -20 -25 16 dB -30 31.75 dB -35 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 -15 31.75 dB -20 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 FREQUENCY (GHz) FREQUENCY (GHz) Bit Error vs. Attenuation State 0.5 Bit Error vs. Frequency [2] [2] (Only Major States are Shown) 0.5 0.25 0.25 300 MHz 200 MHz 31.75 dB BIT ERROR (dB) 0 BIT ERROR (dB) 10 MHz 0 -0.25 -0.25 -0.5 0 4 8 12 16 20 24 28 32 -0.5 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 ATTENUATION STATE (dB) FREQUENCY (GHz) [1] Data taken with broadband DC blocking on rF input and output ports. [2] C1, C2 = 10nF F or 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 HMC759LP3E v00.0909 0.25 dB LSB BiCMOS MMIC 7-BIT DIGITAL ATTENUATOR, 10 - 300 MHz 8 AttenuAtors - DIGItAL - sMt Worst Case Step Error Between Successive Attenuation States [1] 0.2 0.15 IP3 vs. Attenuation States [1] (Only Major States are Shown) 60 55 50 16 dB 8 dB 31.75 dB STEP ERROR (dB) 0.1 IP3 (dBm) 0.05 0 -0.05 -0.1 -0.15 -0.2 0 31.75 dB 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 45 40 0 dB 35 30 25 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 FREQUENCY (GHz) FREQUENCY (GHz) Input P1dB vs. Attenuation States [1][2] (Only Major States are Shown) 24 8 dB 22 4 dB P1dB (dBm) 20 16 dB 18 16 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 FREQUENCY (GHz) Serial Control Interface the HMC759LP3e contains a 3-wire sPI compatible digital interface (serIn, CLK, Le). the 7-bit serial word must be loaded MsB first. the positive-edge sensitive CLK and Le requires clean transitions. If mechanical switches are used, sufficient debouncing should be provided. When Le is high, 7-bit data in the serial input register is transferred to the attenuator. When Le is high, CLK is masked to prevent data transition during output loading. [1] C1, C2 = 10nF [2] Part does not enter 1 dB compression at 31.75 dB max attenuation up to 25 dBm input power. 8-3 F or 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 HMC759LP3E v00.0909 0.25 dB LSB BiCMOS MMIC 7-BIT DIGITAL ATTENUATOR, 10 - 300 MHz Bias Voltage Vdd (V) 4.5 5.0 5.5 Idd (typ.) (µA) 580 650 710 Parameter Min. serial period, tsCK Control set-up time, tCs Control hold-time, tCH Le setup-time, tLn Min. Le pulse width, tLeW Vdd = +5V 0 to 0.8V @