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LMH6640 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMH6640 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 13 page LMH6640 TFT-LCD Single, 16V Rail-to-Rail High Output Operational Amplifier General Description The LMH™6640 is a voltage feedback operational amplifier with a rail-to-rail output drive capability of 100 mA. Employ- ing National’s patented VIP10 process, the LMH6640 deliv- ers a bandwidth of 190 MHz at a current consumption of only 4mA. An input common mode voltage range extending to 0.3V below the V− and to within 0.9V of V +, makes the LMH6640 a true single supply op-amp. The output voltage range extends to within 100 mV of either supply rail providing the user with a dynamic range that is especially desirable in low voltage applications. The LMH6640 offers a slew rate of 170 V/µs resulting in a full power bandwidth of approximately 28 MHz with 5V single supply (2 V PP, −1 dB). Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency re- sponse characteristic for any gain setting including +1, and excellent specifications for driving video cables including total harmonic distortion of −64 dBc @ 5 MHz, differential gain of 0.12% and differential phase of 0.12˚. Features (V S = 16V, RL=2k Ω to V+/2, 25˚C, Typical Values Unless Specified) n Supply current (no load) 4 mA n Output resistance (closed loop 1 MHz) 0.35 Ω n −3 dB BW (A V = 1) 190 MHz n Settling time (±0.1%, 2 V PP)35 ns n Input common mode voltage −0.3V to 15.1V n Output voltage swing 100 mV from rails n Linear output current ±100 mA n Total harmonic distortion (2 V PP, 5 MHz) −64 dBc n Fully characterized for: 5V & 16V n No output phase reversal with CMVR exceeded n Differential gain (R L = 150 Ω) 0.12% n Differential phase (R L = 150 Ω) 0.12˚ Applications n TFT panel V COM buffer amplifier n Active filters n CD/DVD ROM n ADC buffer amplifier n Portable video n Current sense buffer Typical Application 20086234 Typical Application as a TFT Panel V COM Driver LMH™ is a trademark of National Semiconductor Corporation. November 2004 © 2004 National Semiconductor Corporation DS200862 www.national.com |
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