LM8207MTX/NOPB National Semiconductor, LM8207MTX/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM8207MTX/NOPB
• Description: IC BUFFER/DVR/VREF 48-TSSOP
• Manufacturer: National Semiconductor

Specifications of LM8207MTX/NOPB

• Applications: TFT-LCD Panels: Gamma Buffer, VCOM Driver
• Output Type: Rail-to-Rail
• Number Of Circuits: 18
• -3db Bandwidth: 2MHz
• Slew Rate: 1 V/µs
• Current - Supply: 6.5mA
• Current - Output / Channel: 50mA
• Voltage - Supply, Single/dual (±): 6 V ~ 16 V
• Mounting Type: Surface Mount
• Package / Case: 48-TFSOP (0.240", 6.10mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM8207MTX

Application Section
The values of the resistors in the gamma correction curve
are calculated such that a current of 1 mA flows in the
resistor chain.
FIGURE 9. Typical TFT Display Application Diagram Using the LM8207
(Continued)
15
Where x is the index for the corresponding gamma voltage
and has a range of 1 to 18.
Using these formulas the resistor values in Table 1 are
calculated. High accuracy resistors values can be realized
using 0.1% resistors. A method for fine-tuning the resistor
value is to combine two resistors in series.
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