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UPD16772AN の電気的特性と機能

UPD16772ANのメーカーはNECです、この部品の機能は「480-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64-GRAY SCALES」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPD16772AN
部品説明 480-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64-GRAY SCALES
メーカ NEC
ロゴ NEC ロゴ 




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UPD16772AN Datasheet, UPD16772AN PDF,ピン配置, 機能
DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD16772A
480-OUTPUT TFT-LCD SOURCE DRIVER
(COMPATIBLE WITH 64-GRAY SCALES)
DESCRIPTION
The µ PD16772A is a source driver for TFT-LCDs capable of dealing with displays with 64-gray scales. Data input
is based on digital input configured as 6 bits by 6 dots (2 pixels), which can realize a full-color display of 260,000
colors by output of 64 values γ -corrected by an internal D/A converter and 5-by-2 external power modules. Because
the output dynamic range is as large as VSS2 + 0.1 V to VDD2 – 0.1 V, level inversion operation of the LCD’s common
electrode is rendered unnecessary. Also, to be able to deal with dot-line inversion, n-line inversion and column line
inversion when mounted on a single side, this source driver is equipped with a built-in 6-bit D/A converter circuit
whose odd output pins and even output pins respectively output gray scale voltages of differing polarity. Assuring a
clock frequency of 45 MHz when driving at 2.3 V, this driver is applicable to UXGA-standard TFT-LCD panels.
FEATURES
CMOS level input (2.3 to 3.6 V)
480 outputs
Input of 6 bits (gradation data) by 6 dots
Capable of outputting 64 values by means of 5-by-2 external power modules (10 units) and a D/A converter (R-
DAC)
Output dynamic range : VSS2 + 0.1 V to VDD2 – 0.1 V
High-speed data transfer : fCLK = 45 MHz (internal data transfer speed when operating at VDD1 = 2.3 V)
Apply for dot-line inversion, n-line inversion and column line inversion
Output voltage polarity inversion function (POL)
Display data inversion function (POL21/22)
Current consumption reduction function (LPC, Bcont)
Logic power supply voltage (VDD1) : 2.3 to 3.6 V
Driver power supply voltage (VDD2) : 8.5 V ± 0.5 V
ORDERING INFORMATION
Part Number
µ PD16772AN-xxx
Package
TCP (TAB package)
Remark The TCP’s external shape is customized. To order the required shape, so please contact one of our
sales representatives.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S14725EJ1V0DS00 (1st edition)
Date Published August 2000 NS CP (K)
Printed in Japan
The mark shows major revised points.
©
2000

1 Page





UPD16772AN pdf, ピン配列
3. PIN CONFIGURATION (µPD16772AN-xxx: TCP (TAB package))
STHL
D55
D54
D53
D52
D51
D50
D45
D44
D43
D42
D41
D40
D35
D34
D33
D32
D31
D30
VDD1
R,/L
V9
V8
V7
V6
V5
VDD2
VSS2
Bcont
V4
V3
V2
V1
V0
VSS1
LPC
CLK
STB
POL
POL21
POL22
D25
D24
D23
D22
D21
D20
D15
D14
D13
D12
D11
D10
D05
D04
D03
D02
D01
D00
STHR
Copper Foil
Surface
Remark This figure does not specify the TCP package.
Data Sheet S14725EJ1V0DS00
µPD16772A
S480
S479
S478
S477
S4
S3
S2
S1
3


3Pages


UPD16772AN 電子部品, 半導体
µPD16772A
5. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT VOLTAGE VALUE
The µ PD16772A incorporates a 6-bit D/A converter whose odd output pins and even output pins output respectively
gray scale voltages of differing polarity with respect to the LCD’s counter electrode (common electrode) voltage. The
D/A converter consists of ladder resistors and switches.
The ladder resistors (r0 to r62) are designed so that the ratio of LCD panel γ -compensated voltages to V0’ to V63
and V0” to V63” is almost equivalent. For the 2 sets of five γ -compensated power supplies, V0 to V4 and V5 to V9,
respectively, input gray scale voltages of the same polarity with respect to the common voltage. When fine gray
scale voltage precision is not necessary, there is no need to connect a voltage follower circuit to the γ -compensated
power supplies V1 to V3 and V6 to V8.
Figure 5–1 shows the relationship between the driving voltages such as liquid-crystal driving voltages VDD2 and VSS2,
common electrode potential VCOM, and γ -corrected voltages V0 to V9 and the input data. Be sure to maintain the
voltage relationships of VDD2 – 0.1 V > V0 > V1 > V2 > V3 > V4 > 0.5 VDD2 > V5 > V6 > V7 > V8 > V9 > VSS2 + 0.1 V
Figures 5–2 and 5–3 show the relationship between the input data and the output voltage and the resistance values
of the resistor strings.
Figure 5–1. Relationship between Input Data and γ -corrected Power Supplies
0.1 V
VDD2
V0
V1
V2
V3
V4
VCOM
V5
V6
V7
V8
16
16
16
15
Split interval
15
16
16
16
0.1 V
V9
VSS2
00
10 20 30
Input data (HEX)
3F
6 Data Sheet S14725EJ1V0DS00

6 Page



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共有リンク

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部品番号部品説明メーカ
UPD16772A

480-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64-GRAY SCALES

NEC
NEC
UPD16772AN

480-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64-GRAY SCALES

NEC
NEC


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