HMC629LP4 / 629LP4E v08.0112 3 dB LSB GaAs MMIC 4-BIT DIGITAL ATTENUATOR, DC - 6 GHz Typical Applications Features t he HMC629l P4(e) is ideal for: 3 dB ls B s teps to 45 dB Power-u p s tate s election Cellular/3G Infrastructure l ow insertion l oss: 2.5 dB WiBro / WiMAX / 4G ttl /CMos Compatible, s erial, Parallel Microwave Radio & VSAT or l atched Parallel Control Test Equipment and Sensors 0.25 dB t ypical s tep error IF & RF Applications Single +3V or +5V Supply 2 24 l ead 4x4mm s Mt Package: 16mm Functional Diagram General Description t he HMC629l P4(e) is a broadband 4-bit gaAs iC Digital Attenuator in a low cost leadless s Mt package. t his versatile digital attenuator incorporates off-chip AC ground capacitors for near DC operation, making it suitable for a wide variety of r F and iF applications. the dual mode control interface is CMos/ttl compatible, and accepts either a three wire serial input or a 4-bit parallel word. For applications which require only 33 dB of attenuation range, the HMC629l P4(e) provides excellent attenuation accuracy up to 10 g Hz. t he HMC629l P4(e) is housed in a r oHs compliant 4x4 mm QFn leadless package, and requires no external matching components. Electrical Specifications, T = +25 C, 50 Ohm System, with Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted) A Parameter Frequency (g Hz) Min. t yp. Max. u nits dB insertion l oss DC - 6 2.5 5 dB Attenuation r ange DC - 6 45 dB r eturn l oss (Atti n , Atto ut , All Atten. s tates) DC - 6 17 dB Attenuation Accuracy: (r eferenced to insertion l oss) dB (0.50 + 5% of Atten. s etting) Max. All Attenuation s tates 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, 2 Elizabeth Drive, 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. 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 OBSOLETE Attenu Ator s - Digit Al - s MtHMC629LP4 / 629LP4E v08.0112 3 dB LSB GaAs MMIC 4-BIT DIGITAL ATTENUATOR, DC - 6 GHz Normalized Attenuation Insertion Loss vs. Temperature (Only Major States are Shown) 0 0 -10 -5 -20 -10 -30 +25 C -40 +85 C -40 C -15 -50 -20 -60 02 46 8 10 02 46 8 10 FREQUENCY (GHz) FREQUENCY (GHz) Input Return Loss Output Return Loss (Only Major States are Shown) (Only Major States are Shown) 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 -35 -40 -40 02 46 8 10 02 46 8 10 FREQUENCY (GHz) FREQUENCY (GHz) Bit Error vs. Frequency Bit Error vs. Attenuation State (Only Major States are Shown) 10 6 8 (1, 2, 4, 5) GHz 4 6 4 2 2 0 0 -2 -2 -4 BIT 24 (7, 8, 10) GHz -6 -4 -8 ALL BITS -10 -6 0 24 68 10 0 5 10 15 20 25 30 35 40 45 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, 2 Elizabeth Drive, 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. 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 OBSOLETE BIT ERROR (dB) RETURN LOSS (dB) INSERTION LOSS (dB) BIT ERROR (dB) RETURN LOSS (dB) NORMALIZED ATTENUATION (dB) Attenu Ator s - Digit Al - s Mt