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PDF NT3980 Data sheet ( Hoja de datos )

Número de pieza NT3980
Descripción TFT LCD Source Driver
Fabricantes Novatek 
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No Preview Available ! NT3980 Hoja de datos, Descripción, Manual

Features
n Output: 384 output channels
n 8-bit resolution /256 gray scales
n Dot inversion with polarity control
n V1 ~ V10 for adjusting Gamma correction
n Power for analog circuit: 7 ~ 10V
n Output dynamic range: 0.1V ~ AVDD-0.1
n Power consumption of analog circuit: 6mA
NT3980
TFT LCD Source Driver
n Operating frequency: 70MHz(Vcc:3.0V~3.6V)
45MHz(Vcc:2.5V~3.0V)
n Output deviation: ±2mv
n Data inversion for reducing EMI
n Cascade function with bi-direction shift control
n CMOS silicon gate ( p-type substrate )
n TCP package
General Description
The NT3980 is a data driver IC for a color TFT LCD panel, XGA and SXGA applications. It receives 8 bit per-pixel digital display
data,and generates output voltage for 256 grayscales ,enabling a maximum of 16.77M display colors . For better performance,
dot inversion and a wide range voltage output, 10V, are designed in this chip, and for reducing EMI, data inversion control is
used. This chip supplies 10 sections of voltage -referencwewwfo.DratGaShaeemt4Um.coam correction.
Block diagram
OUT1 OUT2 OUT3
OUT383OUT384
Out Driver Buffer ( 384 channels )
V1 ~ V10
10
Digital to Analog Converter
REV1
REV2
8
D00 ~ D07
8
D10 ~ D17
8
D20 ~ D27
8 Decoder
D30 ~ D37
8
D40 ~ D47
8
D50 ~ D57
DIO1
88 8
88 8
Level Shift
88
88
48
Line Latch ( 384 X 8 bits X 2 )
1
64 Shift Registers
64
POL
LD
DIO2
Vcc GND AVDD AVSS
CLK
SHL
Version 1.0
1 October 16, 2001

1 page




NT3980 pdf
NT3980
TFT LCD Source Driver
Gamma correction resistor
V1,V10 NAME
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
2880 ohm R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
Resistor
210
210
150
150
110
110
80
80
80
80
80
80
50
50
50
50
40
40
40
40
40
40
40
40
30
30
30
30
30
30
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
V2,V9
640 ohm
NAME
R64
R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89
R90
R91
R92
R93
R94
R95
R96
R97
R98
R99
R100
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
Version 1.0
Resistor V3,V8 NAME
10 R128
10 R129
10 R130
10 R131
10 R132
10 R133
10 R134
10 R135
10 R136
10 R137
10 R138
10 R139
10 R140
10 R141
10 R142
10 R143
10 R144
10 R145
10 R146
10 R147
10 R148
10 R149
10 R150
10 R151
10 R152
10 R153
10 R154
10 R155
10 R156
10 www.DataSheet4U.com R157
10 R158
10 R159
10 R160
10 R161
10 640 ohm R162
10 R163
10 R164
10 R165
10 R166
10 R167
10 R168
10 R169
10 R170
10 R171
10 R172
10 R173
10 R174
10 R175
10 R176
10 R177
10 R178
10 R179
10 R180
10 R181
10 R182
10 R183
10 R184
10 R185
10 R186
10 R187
10 R188
10 R189
10 R190
10 R191
Resistor
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
V4,V7 NAME
R192
R193
R194
R195
R196
R197
R198
R199
R200
R201
R202
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
1910 ohm R226
R227
R228
R229
R230
R231
R232
R233
R234
R235
R236
R237
R238
R239
R240
R241
R242
R243
R244
R245
R246
R247
R248
R249
R250
R251
R252
R253
V5,V6 R254
Resistor
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
30
30
30
30
30
30
30
30
40
40
40
50
50
80
100
130
190
290
5 October 16, 2001

5 Page





NT3980 arduino
NT3980
TFT LCD Source Driver
AC Electrical Characteristics 1(Vcc =3.0V , AVDD=10V, AVSS=GND=0V, TA= -30 ~ 75 ,Tr=Tf=2ns)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
CLK frequency
Fclk - 45 70 MHz Vcc=3.0~3.6V
CLK period cycle
Tcph
14
-
- ns
CLK pulse width
Tcw 4
-
- ns
Data set-up time
Tsu 2
-
- ns D00 ~ D57, REV to CLK
Data hold time
Thd 2
-
- ns D00 ~ D57, REV to CLK
Start pulse setup time
Tss 2 -- -- ns DIO1,DIO2 to CLK
Start pulse hold time
Tsh 2 -- -- ns DIO1,DIO2 to CLK
LD high-level width
Propagation delay of DIO2/1
Tld 1 -- -- us
Tplh 6 -- 12 ns CL=25pF ( Output )
Time that the last data to LD
Tldt 1 -
- Tcph
Time that LD to DIO1/2(In)
Tlds 2 -
- Tcph
POL set-up time
Tpsu
5
-
- ns POL to LD
POL hold time
Output stable time
Tphd
5
-
- ns POL to LD
Tst - 4 6 us Final value precision below 30mV,
CL=150pF,R=5k ohm ,AVDD=10V
Slew rate of outputs
Tsr 3 5
- V/us 5% to 95% at 10V swing,
CL=150pF,R=5k ohm
Output loading
CL - - 150 pF
AC Electrical Characteristics 2(Vcc =2.5V , AVDD=10V, AVSS=GND=0V, TA= -30~75 ,Tr=Tf=3ns)
Parameter
CLK frequency
CLK period cycle
CLK pulse width
Data set-up time
Data hold time
Start pulse setup time
Start pulse hold time
LD high-level width
Propagation delay of DIO2/1
Time that the last data to LD
Time that LD to DIO1/2(In)
POL set-up time
POL hold time
Output stable time
Slew rate of outputs
Output loading
Symbol
Fclk
Tcph
Tcw
Tsu
Thd
Tss
Tsh
Tld
Tplh
Tldt
Tlds
Tpsu
Tphd
Tst
Tsr
CL
Min. Typ. Max.
- 35 45
22 -
-
7-
-
4 - -www.DataSheet4U.com
4-
-
4 -- --
4 -- --
1 -- --
6 -- 18
1-
-
2-
-
5-
-
5-
-
-4 6
35
-
- - 150
Unit
MHz
ns
ns
ns
ns
ns
ns
us
ns
Tcph
Tcph
ns
ns
us
V/us
pF
Conditions
Vcc=2.5~3.0V
D00 ~ D57, REV to CLK
D00 ~ D57, REV to CLK
DIO1,DIO2 to CLK
DIO1,DIO2 to CLK
CL=25pF ( Output )
POL to LD
POL to LD
Final value precision below 30mV,
CL=150pF,R=5k ohm ,AVDD=10V
5% to 95% at 10V swing,
CL=150pF,R=5k ohm
Version 1.0
11 October 16, 2001

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