High Speed Low Power Output Buffer amplifier for large-size LCD Applications
نویسندگان
چکیده
The present paper Performance improvement in high speed low power out put Buffer amplifier for large –LCD applications. The proposed buffer achieves high-speed driving performance while drawing a low quiescent current during static operation. The circuit offers enhanced slewing capabilities with limited power consumption by exploiting a slew detector which monitors the output voltage of the input differential amplifier and outputs an additional current signal providing slew-rate enhancement at the output stage. Postlayout simulations show that the proposed buffer can drive a 1000pF column line load with 8.5-V/μs slew-rate and 0.6-μs settling time, while drawing only 8-μA static current from a 1.2 -V power supply.
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