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LMH6658 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMH6658 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 20 page  LMH6657/LMH6658 270MHz Single Supply, Single & Dual Amplifiers General Description The LMH6657/6658 are low-cost operational amplifiers that operate from a single supply with input voltage range ex- tending below the V −. Based on easy to use voltage feed- back topology and boasting fast slew rate (700V/µs) and high speed (140MHz GBWP), the LMH6657 (Single) and LMH6658 (dual) can be used in high speed large signal applications. These applications include instrumentation, communication devices, set-top boxes, etc. With a -3dB BW of 100MHz (A V = +2) and DG & DP of 0.03% & 0.10˚ respectively, the LMH6657/6658 are well suited for video applications. The output stage can typically supply 80mA into the load with a swing of about 1V from either rail. For Industrial applications, the LMH6657/6658 are excellent cost-saving choices. Input referred voltage noise is low and the input voltage can extend below V − to ease amplification of low level signals that could be at or near the system ground. With low distortion and fast settling, LMH6657/6658 can provide buffering for A/D and D/A applications. The LMH6657/6658 versatility and ease of use is extended even further by offering these high slew rate , high speed Op Amps in miniature packages such as SOT23-5, SC70, SOIC-8, and MSOP-8. Refer to the Ordering Information section for packaging options available for each device. Features V S =5V, TA = 25˚C, RL = 100 Ω (Typical values unless specified) n −3dB BW (A V = +1) 270MHz n Supply voltage range 3V to 12V n Slew rate, (V S = ±5V) 700V/µs n Supply current 6.2mA/amp n Output current +80/−90mA n Input common mode volt. 0.5V beyond V −, 1.7V from V+ n Output voltage swing (R L =2k Ω) 0.8V from rails n Input voltage noise 11nV/ n Input current noise 2.1pA/ n DG error 0.03% n DP error 0.10˚ n THD (5MHz) −55dBc n Settling time (0.1%) 37ns n Fully characterized for 5V, and ±5V n Output overdrive recovery 18ns n Output short circuit protected (Note 10) n No output phase reversal with CMVR exceeded Applications n CD/DVD ROM n ADC buffer amp n Portable video n Current sense buffer n Portable communications Connection Diagrams SOT23-5/SC70-5 (LMH6657) SOIC-8/MSOP-8 (LMH6658) 20053261 Top View 20053263 October 2004 © 2004 National Semiconductor Corporation DS200532 www.national.com |
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