LM6588MA

Series:	VIP10™
Packaging:	Tube
Part Status:	Obsolete
Applications:	TFT-LCD Panels: Gamma Buffer, VCOM Driver
Output Type:	Rail-to-Rail
Number of Circuits:	4
-3db Bandwidth:	24MHz
Slew Rate:	15 V/µs
Current - Supply:	800µA
Current - Output / Channel:	230mA
Voltage - Supply, Single/Dual (±):	5 V ~ 16 V, ±2.5 V ~ 8 V
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Base Part Number:	LM6588

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LM6588MA Application Field and Working Principle

The LM6588MA is a voltage-feedback amplifier and a video amplifier developed by Texas Instruments. The device offers high speed operation, low power dissipation and ultra-wide supply voltage range consisting of 3.3V to 35V. It can be implemented in either single or dual supply circuit configuration.The device has a high slew rate of 15V/μs and a high output current of 250mA making it suitable for driving a wide range of video applications. The device offers a low gain bandwidth accuracy with a 3dB bandwidth of 2.8MHz. The device is designed to operate with minimal phase shift and near-zero distortion, giving it high performance on both low and high frequency video signals.The LM6588MA has a wide range of applications in the field of video amplifier, including driving graphic display panels, projection televisions, flat panel displays, and high power video end stages. It is also used in automotive applications, home and office audio applications, and in multimedia applications.The LM6588MA’s working principle is based on a voltage-feedback amplifier design. Voltage-feedback amplifiers use two-stage architectures with one stage providing gain and the other providing current sources and sink to support large output currents. This two-stage approach enables the device to achieve high-speed operation and large-signal swings, making it suitable for driving a variety of video applications.The device uses an input stage of the op amp which is used to establish the voltage-gain of the device. The output stage is then used for current-amplification, with the voltage-gain being established by capacitive feedback from the output. This capacitive feedback allows the output stage to work at a gain of two while providing current-sourcing and -sinking capabilities to drive the load.The device has two separate power supplies and uses the supply voltage to maintain the amplifier dynamics. This allows the device to achieve high-performance speed and accuracy while consuming low power, making it suitable for diverse types of applications.The LM6588MA also has excellent wideband performance. The device has a good slew rate, wideband gain and good signal-to-noise ratio (SNR) with a distortion performance below 0.02% at 10MHz. The device also has an excellent common-mode rejection ratio (CMRR) and can be used in high-impedance loads.In conclusion, the LM6588MA is a versatile video amplifier designed for a wide range of video and multimedia applications. It offers low power consumption, high speed operation, good wide-band performance and low distortion for a variety of applications. The device also features a wide supply voltage range, allowing it to operate under both single and dual supply configurations.

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