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LMH6643MA Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMH6643MA Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 33 page LMH6642, LMH6643, LMH6644 www.ti.com SNOS966P – MAY 2001 – REVISED MARCH 2013 LMH6642/LMH6643/LMH6644 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers Check for Samples: LMH6642, LMH6643, LMH6644 1 FEATURES DESCRIPTION The LMH664X family true single supply voltage 2 (VS = ±5V, TA = 25°C, RL = 2kΩ, AV = +1. Typical feedback amplifiers offer high speed (130MHz), low Values Unless Specified). distortion ( −62dBc), and exceptionally high output • −3dB BW (AV = +1) 130MHz current (approximately 75mA) at low cost and with • Supply Voltage Range 2.7V to 12.8V reduced power consumption when compared against existing devices with similar performance. • Slew Rate (1), (AV = −1) 130V/µs Input common mode voltage range extends to 0.5V • Supply Current (no load) 2.7mA/amp below V− and 1V from V+. Output voltage range • Output Short Circuit Current +115mA/ −145mA extends to within 40mV of either supply rail, allowing • Linear Output Current ±75mA wide dynamic range especially desirable in low • Input Common Mode Volt. 0.5V Beyond V−, 1V voltage applications. The output stage is capable of approximately 75mA in order to drive heavy loads. from V+ Fast output Slew Rate (130V/µs) ensures large peak- • Output Voltage Swing 40mV from Rails to-peak output swings can be maintained even at • Input Voltage Noise (100kHz) 17nV/ √Hz higher speeds, resulting in exceptional full power • Input Current Noise (100kHz) 0.9pA/ √Hz bandwidth of 40MHz with a 3V supply. These characteristics, along with low cost, are ideal features • THD (5MHz, RL = 2kΩ, VO = 2VPP, AV = +2) for a multitude of industrial and commercial −62dBc applications. • Settling Time 68ns Careful attention has been paid to ensure device • Fully Characterized for 3V, 5V, and ±5V stability under all operating voltages and modes. The • Overdrive Recovery 100ns result is a very well behaved frequency response characteristic (0.1dB gain flatness up the 12MHz • Output Short Circuit Protected (2) under 150 Ω load and AV = +2) with minimal peaking • No Output Phase Reversal with CMVR (typically 2dB maximum) for any gain setting and Exceeded under both heavy and light loads. This along with fast settling time (68ns) and low distortion allows the APPLICATIONS device to operate well in ADC buffer, and high frequency filter applications as well as other • Active Filters applications. • CD/DVD ROM This device family offers professional quality video • ADC Buffer Amp performance with low DG (0.01%) and DP (0.01°) • Portable Video characteristics. Differential Gain and Differential • Current Sense Buffer Phase characteristics are also well maintained under heavy loads (150 Ω) and throughout the output (1) Slew rate is the average of the rising and falling slew rates. voltage range. The LMH664X family is offered in (2) Output short circuit duration is infinite for VS < 6V at room single (LMH6642), dual (LMH6643), and quad temperature and below. For VS > 6V, allowable short circuit duration is 1.5ms. (LMH6644) options. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2001–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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