Datasheet HMC675LP3E (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 10 GHz Latched Comparator with RSCML Output Stage |
| 页数 / 页 | 10 / 5 — HMC675LP3E. 10 GHz LATCHED COMPARATOR. WITH RSCML OUTPUT STAGE. … |
| 文件格式/大小 | PDF / 556 Kb |
| 文件语言 | 英语 |
HMC675LP3E. 10 GHz LATCHED COMPARATOR. WITH RSCML OUTPUT STAGE. Operational Description
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HMC675LP3E
v02.0312
10 GHz LATCHED COMPARATOR WITH RSCML OUTPUT STAGE Operational Description
T The HMC675LP3E is a Latched Comparator with 10 GHz equivalent input bandwidth. The device is comprised of three M blocks: 1) An input amplifier, 2) A latch, and 3) An RSCML Output Buffer. The latching circuit is level sensitive, and consists of a single high-speed latch. The HMC675LP3E comparator supports 10 Gb/s operation. The minimum input data latching pulse width is 60 ps. S - S The HMC675LP3E operates in either Track (Transparent) Mode, where the output fol ows the logical value of the input, or R the Latch (Hold) Mode, where the output value is held to the logical value of the comparison result of the input just prior O to (LE - LE_bar) going HI. Track Mode operation is selected by either 1) (LE - LE_bar) LO, or 2) LE and LE_bar inputs AT floating. Latch Mode is selected by (LE - LE_bar) HI. The input impedance of the LE and LE_bar inputs is 8 k ohms, but R these inputs can be terminated with 50 ohm external resistors if desired. A When DC coupled, the clock inputs operate at an input common mode voltage of 2 V. In this case, any termination P resistors would ideal y be returned to 2 V. If the clock is AC coupled to the device, the input termination resistors can be returned to ground. OM C I F nf o or r p mati r o in cfe ur , d nish e e l d iv b e y r A y a nalo n g d t Devi o p ces i la s c bele o ieve rd d t e o rbs e : H acc iutrtatite e M and ic reli rao bl w e. a H v o e C wever o , nrp o For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other oration, 2 Elizabeth Drive, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 978-250-3343 Fax: 978-250-3373 O rights of third parties that may result from its use. Specifications subject to change without notice. No rd Phoe n r O e: 7 n- 81-li 3 n 2 e a 9-4 t w 70 ww 0 • O . rdh e itt r o it nle i . n co e a m
5
license is granted by implication or otherwise under any patent or patent rights of Analog Devices. t www.analog.com Application Support: Phon Trademarks and registered trademarks are the property of their respective owners. e: 978-250-334 A 3 p o plic ra a tio pp n S s u @ p h por ittti : Pte ho.c n om e: 1-800-ANALOG-D
v02.0312
10 GHz LATCHED COMPARATOR WITH RSCML OUTPUT STAGE Operational Description
T The HMC675LP3E is a Latched Comparator with 10 GHz equivalent input bandwidth. The device is comprised of three M blocks: 1) An input amplifier, 2) A latch, and 3) An RSCML Output Buffer. The latching circuit is level sensitive, and consists of a single high-speed latch. The HMC675LP3E comparator supports 10 Gb/s operation. The minimum input data latching pulse width is 60 ps. S - S The HMC675LP3E operates in either Track (Transparent) Mode, where the output fol ows the logical value of the input, or R the Latch (Hold) Mode, where the output value is held to the logical value of the comparison result of the input just prior O to (LE - LE_bar) going HI. Track Mode operation is selected by either 1) (LE - LE_bar) LO, or 2) LE and LE_bar inputs AT floating. Latch Mode is selected by (LE - LE_bar) HI. The input impedance of the LE and LE_bar inputs is 8 k ohms, but R these inputs can be terminated with 50 ohm external resistors if desired. A When DC coupled, the clock inputs operate at an input common mode voltage of 2 V. In this case, any termination P resistors would ideal y be returned to 2 V. If the clock is AC coupled to the device, the input termination resistors can be returned to ground. OM C I F nf o or r p mati r o in cfe ur , d nish e e l d iv b e y r A y a nalo n g d t Devi o p ces i la s c bele o ieve rd d t e o rbs e : H acc iutrtatite e M and ic reli rao bl w e. a H v o e C wever o , nrp o For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other oration, 2 Elizabeth Drive, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 978-250-3343 Fax: 978-250-3373 O rights of third parties that may result from its use. Specifications subject to change without notice. No rd Phoe n r O e: 7 n- 81-li 3 n 2 e a 9-4 t w 70 ww 0 • O . rdh e itt r o it nle i . n co e a m
5
license is granted by implication or otherwise under any patent or patent rights of Analog Devices. t www.analog.com Application Support: Phon Trademarks and registered trademarks are the property of their respective owners. e: 978-250-334 A 3 p o plic ra a tio pp n S s u @ p h por ittti : Pte ho.c n om e: 1-800-ANALOG-D