HMC674LP3E

HMC674LP3E v01.0811 10 GHz LATCHED COMPARATOR WITH RSPECL OUTPUT STAGE Features Equivalent Input Bandwidth: 10 GHz propagation Delay: 85 ps overdrive & slew rate Dispersion: 10 ps minimum pulse Width: 60 ps resistor programmable Hysteresis Differential Latch control power Dissipation: 140 mW rscmL and rsEcL Versions available 16 Lead 3 x 3 mm smt package: 9 mm2 1 comparators - smt Typical Applications the Hmc674Lp3E is ideal for: • ATE Applications • High Speed Instrumentation • Digital Receiver Systems • Pulse Spectroscopy • High Speed Trigger Circuits • Clock & Data Restoration Functional Diagram General Description the Hmc674Lp3E is a siGe monolithic, ultra fast comparator which features reduced swing (rs) pEcL output drivers and latch inputs. the comparator supports 10 Gbps operation while providing 85 ps propagation delay and 60 ps minimum pulse width with 0.2 ps rms random jitter (rJ). overdrive and slew rate dispersion are typically 10 ps, making the device ideal for a wide range of applications from atE to broadband communications. the reduced swing pEcL output stages are designed to directly drive 400 mV into 50 ohms terminated to +1.3 V while maintaining compatibility with other pEcL logic families. the Hmc674Lp3E features high speed latch and programmable hysteresis and may be configured to operate in either latch mode, or as a tracking comparator. Electrical Specifications TA = +25 °C, Vcci= +3.3 V, Vcco = +3.3 V, Vee = -3 V, VTERM = +1.3 V parameter Input Voltage range Input Differential Voltage Input offset Voltage Input offset Voltage, temperature coefficient Input Bias current Input Bias current temperature coefficient Input offset current Input Impedance common mode Input Impedance Differential Input Impedance active Gain common mode rejection ratio Hysteresis rhys = ∞ conditions min. -2 -1.75 ±5 15 15 50 4 50 350 15 48 80 ±1 typ. max +2 1.75 Units V V mV µV / °c ua na / °c µa Ω KΩ KΩ dB dB mV 1-1 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 HMC674LP3E v01.0811 10 GHz LATCHED COMPARATOR WITH RSPECL OUTPUT STAGE Latch Enable Characteristics parameter Latch Enable Input Impedance Latch to output Delay, tpLoL , tpLoH Latch minimum pulse Width, tpL Latch Enable Input range Latch setup time, ts Latch Hold time, tH conditions Each pin VoD = 200 mV VoD = 200 mV VoD = 200 mV VoD = 200 mV 1.6 45 -42 min. typ. 8 85 20 2.4 max Units KΩ ps ps V ps ps 1 comparators - smt 1-2 DC Output Characteristics, with 50 Ω to Vcco - 2 V parameter output Voltage High Level, Voh output Voltage Low Level, Vol output Voltage Differential swing conditions min. 2.33 1.95 380 typ. 2.39 2.01 380 max 2.44 2.11 330 Units V V mV AC Performance parameter propagation Delay - tpD, tpDL , tpDH propagation Delay, temperature coefficient propagation Delay skew (rising to Falling transition) VoD Dispersion t pD vs. common mode Dispersion, -1.75 V