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LM8207

Features: ·Gamma buffers 1-2 swing to VDD· Gamma buffers 17-18 swing to VSS· Large output current VCOM driver (ISC = 300 mA)· Stable (1%) internal 1.295V reference, to improve picture quality and reduce variations· 48-pin TSSOP packageApplication· TFT gamma curve connection and VCOM voltage buffer...

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SeekIC No. : 004396219 Detail

LM8207: Features: ·Gamma buffers 1-2 swing to VDD· Gamma buffers 17-18 swing to VSS· Large output current VCOM driver (ISC = 300 mA)· Stable (1%) internal 1.295V reference, to improve picture quality and re...

LM8207 Data Sheet

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Part Number:
LM8207
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Gamma buffers 1-2 swing to VDD
· Gamma buffers 17-18 swing to VSS
· Large output current VCOM driver (ISC = 300 mA)
· Stable (1%) internal 1.295V reference, to improve picture quality and reduce variations
· 48-pin TSSOP package


Application

· TFT gamma curve connection and VCOM voltage buffering


Specifications

ESD Tolerance (Note 3)
Human Body .........................................................................2.5 kV
Machine Model .......................................................................250V
Supply Voltage (VDD - VSS) ......................................................18V
Storage Temperature Range ...........................−65°C to +150°C
Junction Temperature (Note 4) ........................................+150°C
Soldering Information
Infrared or Convection (20 sec.) ........................................230°C
Wave Soldering (10 sec.) ...................................................260°C


Description

The LM8207 is a combination of 18-channel gamma buffers, a VCOM driver and a temperature compensated internal voltage reference. It is designed for buffering voltage levels and driving high capacitive loads in large TFT panels.

The gamma buffers are individually optimized to the input/output requirements of their respective gamma position to cover the whole voltage range from rail to rail. Any desired gamma correction curve can be obtained by combining the gamma buffers with external resistors. The VCOM driver has a high output current capability and is stable with large capacitive loads, typical for large panel sizes. This will result in a fast recovery time for large voltage variations at the output.

The internal band gap reference can be used to form a highly stable voltage to generate the gamma correction voltages. In combination with the internal amplifier, the reference voltage can be programmed to voltages up to the positive rail.

The LM8207 is offered in a 48-pin TSSOP package.




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