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參數(shù)資料
| 型號(hào)： | LH1687 |
| 廠商： | Sharp Corporation |
| 英文描述： | 240-output TFT-LCD Source Driver IC |
| 中文描述： | 240輸出的TFT - LCD驅(qū)動(dòng)器IC |
| 文件頁數(shù)： | 6/21頁 |
| 文件大小： | 93K |
| 代理商： | LH1687 |
6
LH1687
O
V
CC
A
GNDA
From Internal Circuit
Operational
Amplifier
+
–
Fig. 6 Output Circuit
Applicable pins
OS
1
-OS
240
FUNCTIONAL DESCRIPTION
Pin Functions
SYMBOL
V
CC
L
FUNCTION
Used as power supply pin for logic circuit, connected to +3.0 to +5.0 V.
Used as power supply pin for LCD drive circuit, connected to +3.0 to +5.0 V.
Must be set to V
CC
L ≤ V
CC
A.
Used as ground pin for logic circuit, connected to 0 V.
Used as ground pin for LCD drive circuit, connected to 0 V.
Used as input pins for IC testing, connected to V
CC
L (high level).
Used as input pins for IC testing, connected to V
CC
A (high level).
Used as input/output pins of cascade operation start signal.
SPIO becomes input pin of operation start signal and SPOI becomes output pin of
operation start signal of next IC when set to R/L = "H".
SPOI becomes input pin of operation start signal and SPIO becomes output pin of
operation start signal of next IC when set to R/L = "L".
Used as horizontal shift clock input pin.
Video signals are sampled in order at the rising and falling edge of CK.
Used as input pin of selecting video signal sampling circuits and selecting input signal of
output operational amplifiers.
Used as input pin for setting the selecting of normal sampling operation or 3-point
simultaneous sampling operation.
For normal sampling operation, video signals are sampled into sample and hold circuits
every 1 LCD drive output.
For 3-point simultaneous sampling operation, video signals are sampled into sample and
hold circuits every 3 LCD drive outputs simultaneously.
For either operation, sampling signals are shifted at every rising and falling edge of
horizontal shift clock of CK pin (half clock), and their sampling period is equal to the period
of one clock.
V
CC
A
GNDL
GNDA
TST
1
-TST
4
TST
5
SPIO
SPOI
CK
CTR
SAM
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| LH168A | 384-output TFT-LCD Source Driver IC |
| LH168B | 324 Outputs 64 Gradations TFT-LCD Source Driver |
| LH168D | 384 Outputs 64 Gradations TFT-LCD Source Driver |
| LH168K | 324-output TFT-LCD Source Driver IC |
| LH168M | 384-output TFT-LCD Source Driver IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LH168A | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:384-output TFT-LCD Source Driver IC |
| LH168B | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:324 Outputs 64 Gradations TFT-LCD Source Driver |
| LH168D | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:384 Outputs 64 Gradations TFT-LCD Source Driver |
| LH168G | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:324 Outputs 64 Gradations TFT-LCD Source Driver |
| LH168J | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:384 Outputs 64 Gradations TFT-LCD Source Driver |
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