- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374016 > ADM8840 (Analog Devices, Inc.) Charge Pump Regulator & COM Driver for Color TFT Panel PDF資料下載
參數(shù)資料
| 型號： | ADM8840 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Charge Pump Regulator & COM Driver for Color TFT Panel |
| 中文描述： | 電荷泵穩(wěn)壓器 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 166K |
| 代理商： | ADM8840 |
ADM8840
–
8
–
REV. PrG
2/03
PRELIMINARY TECHNICAL DATA
DAC1 Setup
The resolution of DAC1 is 4.7mV this is scaled up by 6 to
give COM_OUT amplitude resolution of 28mV (4.7mV *
6 = 28mV). The COM_OUT amplitude Vp-p is given by,
(Binary Code/255)(1.188)(6)= Vp-p (COM_OUT).
A table of the min, max and typical values for COM_OUT
amplitude is given in the Table 1 below.
Table 1 COM_OUT amplitude Voltage
COM_OUT amplitude voltage Binary Bits written to DAC1 Integer DAC1_IN Voltage
(Max) 7.016V
11111011 251 1.667V
6.9882
11111010
.........
.............
(Typ) 6.0098V
11010111 215 1.0011V
..........
.............
4.0531V
10010001
(Min) 4.0025V
10010000 144 667mV
250 1.6623
..... ...........
..... ...........
145 671.7mV
Table 2 COM_OUT centre voltage
COM_OUT centre voltage Binary Bits written to DAC2 Integer DAC2_IN Voltage
(Max) 2.8092V 11001001 201 933mV
2.7952V
11001000
...........
..............
(Typ) 1.5094V 01101100 108 503.9mV
...........
..............
0.9224V
01000010
(Min) 0.9084V 01000001 65 300mV
200 928mV
...... ..........
...... ..........
66 304.7mV
DAC2 Setup
The resolution of DAC2 is 4.7mV this is scaled up by 3 to
give you the COM_OUT centre voltage resolution of
14mV (4.7mV * 3 = 14mV). The COM_OUT centre
voltage is given by,
(Binary Code/255)(1.188)(3)= COM_OUT DC Voltage.
A table of the min, max and typical values for COM_OUT
centre voltage is given in the Table 2 below.
相關PDF資料 |
PDF描述 |
|---|---|
| ADM8840ACP | 20-17 (6 Contacts) Socket Insert; For Use With:Amphenol MIL-C-5015 97 Series Circular Connectors; No. of Contacts:6 |
| ADM8845 | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACP | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACP-REEL7 | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACPZ | Charge Pump Driver for LCD White LED Backlights |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADM8840ACP | 制造商:Analog Devices 功能描述:LCD DRVR 2.7V TO 3.6V 32LFCSP - Bulk |
| ADM8840ACP-REEL7 | 制造商:Analog Devices 功能描述: |
| ADM8843 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4 White LED Backlight Driver |
| ADM8843ACPZ | 制造商:Analog Devices 功能描述:LED DRVR 4SEGMENT 3.3V/5V 16LFCSP EP - Bulk |
| ADM8843ACPZ1-R7 | 制造商:Analog Devices 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復。