HMC750LP4 / 750LP4E v03.0111 12.5 Gbps LIMITING AMPLIFIER Typical Applications Features s upports Data r ates up to 12.5 g bps t he HmC750lp 4(e) is ideal for: Differential g ain: 44 dB OC-192 r eceivers 2mV p-p input s ensitivity 10 g bps ethernet r eceivers 3 dB Bandwidth: 11 g Hz 10 g bps f iber Channel r eceivers integrated DC Offset Correction Broadband t est & measurement adjustable Differential s aturated O/p Voltage s wing up to 880 mVp-p s ingle +5V power s upply Very l ow r ms Jitter Degradation 24 l ead plastic 4x4mm s mt package: 16mm 6 General Description Functional Diagram HmC750lp 4e is a limiting amplifier designed to sup- port data transmission rates up to 12.5 g bps. t he amplifier can operate over a wide range of input voltage levels and provides constant-level differential output swing. HmC750lp 4e also features an output level control pin, VC1, which allows for loss compensation or for signal level optimization. Differential output signal swing can be adjustable up to 880 mVp-p. input signals higher than 3mV p-p can be amplified to saturated 880mV p-p differential signal. all single-ended input signals to the HmC750lp 4e are terminated with 50 ohms to +5V on-chip, and may be either aC or DC coupled. t he outputs of the HmC750lp 4e may be operated either differentially or single-ended. Outputs can be connected directly to a 50 ohm terminated system referenced to +5V, while DC blocking capacitors may be used if the terminating system is 50 ohms to a non +5V voltage. t he HmC750lp 4e operates from a single + 5V DC supply and is available in a plastic r oHs compliant 4x4 mm s mt package. Electrical Specifications, T = +25 C, Vcc = +5V, VC1 = +2.5V A parameter Conditions min. t yp. max. Units Power Supply Voltage 4.6 5 5.4 V power s upply Current VC1 = 2.5V 106 122 ma maximum Data r ate 12.5 g bps Differential s mall s ignal g ain VC1 = 2.5V 44 dB s mall s ignal Bandwidth 3-dB Cutoff 11 g Hz 1 Deterministic Jitter Vin = 20 mV peak to peak 5 ps p-p 2 additive r andom Jitter Vin = 200 mV peak to peak 0.2 ps rms 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. 6 - 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 limiting amplifiers - smtHMC750LP4 / 750LP4E v03.0111 12.5 Gbps LIMITING AMPLIFIER Electrical Specifications (Conditions) parameter Conditions min. t yp. max. Units r ise t ime 20% - 80% 23 27 ps f all t ime 20% - 80% 21 23 ps Differential Output s wing. Data Output s wing 850 880 mVp-p VC1 = 3V for maximum output swing. input r eturn l oss up to 10 g Hz 15 dB Output r eturn l oss up to 10 g Hz 8 dB input s ensitivity 2 mVp-p maximum input s wing 1200 mVp-p Output Offset Voltage VC1 = 3V for maximum output swing 3 mV VC1 2 3 V Vout DC 4.5 4.8 V 23 1 Deterministic jitter measured at 10 g bps with pr Bs 2 -1 pattern. it is the peak to peak deviation from the ideal time crossing 6 2 r andom jitter is measured with 10 g bps 10101 pattern 1 2 Differential Output vs. Supply Voltage Differential Output vs. Control Voltage 1000 1200 +25C 1000 800 +25C +85C +85C -40C -40C 800 600 600 400 400 200 200 0 0 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 2.1 2.3 2.5 2.7 2.9 3.1 SUPPLY VOLTAGE Vcc (V) CONTROL VOLTAGE VC1 (V) 1 2 1 2 3 Differential Output vs. Vinput RMS Jitter vs. Vinput 600 6 500 5 400 4 300 3 200 2 100 1 0 0 0.1 1 10 100 1000 0 100 200 300 400 500 600 Vin (mV) Vin (mV) 1 VC1 = 2.5V 2 Vcc = 5V 3 input Data r ate = 10 g bps 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. 6 - 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 DIFFERENTIAL VOLTAGE (mV) DIFFERENTIAL VOLTAGE (mV) RMS JITTER (ps) DIFFERENTIAL VOLTAGE (mV) limiting amplifiers - smt