TFT LCD Source Driver
NT3960
TFT LCD Source Driver
Features
Output : 300/309 output channels 6-bit resolution /64 gray scale Dot inversion wit...
Description
NT3960
TFT LCD Source Driver
Features
Output : 300/309 output channels 6-bit resolution /64 gray scale Dot inversion with polarity control V1 ~ V10 for adjusting Gamma correction Power for analog circuit : 6.5 ~ 10V Output dynamic range : 0.1 ~ AVDD-0.1V Power consumption of analog circuit : 2.5mA Power for interface circuit : 3.0 ~ 3.6V Operating frequency : 65MHz Output deviation : 10 ~ 20mV Data inverting for reducing EMI Cascade function with bi-direction shift control CMOS silicon gate ( p-type substrate ) COG
General Description
NT3960 is a data driver IC for a color TFT LCD panel. The channel number of 300 or 309 outputs is selectable for SVGA and XGA applications. For better performance, dot inversion and a wide range voltage output, 6.5~10V, are designed in this chip and for reducing EMI, data inversion control is used. This chip also supplies 10 sections of voltage-reference for Gamma correction.
Block Diagram
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OUT1
OUT2
OUT3
OUT309 OUT308
Out Driver Buffer ( 309 channels )
V1 ~ V10
10
Digital to Analog Converter
6 6 6 6 6
POL
Level Shift
6 6 6 Decoder 6 6 6 6 6 6 6 6
D00 ~ D05 D10 ~ D15 D20 ~ D25
Line Latch ( 309 X 6 bits X 2 )
LD
REV DIO1
1
103
Shift Registers ( 103 or 100 )
DIO2
Vcc
GND AVDD AVSS
CLK
SHL
SELT
1
V1.0
NT3960 TFT LCD Source Driver
Pin Configuration (IC face view)
PASS1 PASS2 PASS3 DIO2 AVDD AVSS GND Vcc REV SHL GND POL LD D25 D24 D23 NC D22 D21 D20 Test SELT AVSS V10 V9 V8 V7 V6 V5 V4 V3 V2 V1 AVDD D1...
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