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參數資料
| 型號： | ADD8707WCPZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Circular Connector; No. of Contacts:4; Series:LJT00R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:15-4 |
| 中文描述： | 12 BUFFER AMPLIFIER, QCC48 |
| 封裝： | LEAD FREE, MO-220-VKKD, LFCSP-48 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 654K |
| 代理商： | ADD8707WCPZ-REEL7 |
12-Channel Gamma Buffers
with V
COM
and Regulator
ADD8707
FEATURES
12 precision gamma reference outputs
Mask-programmable gamma resistors:
0.2% resolution and 0.1% accuracy
Mask programmable voltage regulator: 0.4% accuracy
Upper 6 buffers swing to V
DD
Lower 6 buffers swing to GND
Single-supply operation: 7.5 V to 16 V
Gamma current drive: 15 mA per channel
V
COM
peak output current: 250 mA
Outputs stable under load conditions
48-lead, Pb-free LFCSP package
registered trademarks are the property of their respective owners.
Rev.
A
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
Tel: 781.329.4700Fax: 781.326.8703
APPLICATIONS LCD TV panels
LCD monitor panels
PRODUCT OVERVIEW
The ADD8707 is a 12-channel integrated gamma reference with
VCOM for use in LCD TV and monitor panels. The output
buffers feature high current drive and low offset voltage to
provide an accurate and stable gamma curve. The top six
channels swing to VDD and the lower six channels swing to
GND.
Integrating the gamma setup resistors drastically reduces the
external component count while increasing the gamma curve
accuracy. To accommodate multiple column drivers and panel
architectures, the ADD8707 is mask-programmable to a 0.2%
resolution using the on-chip 500 resistor string. An on-board
voltage regulator provides a fixed input for the resistor string,
isolating the gamma curve from supply ripple.
The ADD8707 is specified over the temperature range of
–40
°
C to +105
°
C and comes in a 48-lead, Pb-free, lead frame
chip-scale package.
FUNCTIONAL BLOCK DIAGRAM
0
V
C
V
OUT
12
GAMMA
BUFFERS
GND
1.2V
+
–
MASK-PROGRAMMABLE
MASK-
PROGRAMMABLE
GAMMA RESISTORS
V
OUT
11
V
IN
11
V
OUT
10
V
IN
10
V
OUT
9
V
OUT
8
V
IN
8
V
OUT
7
V
IN
7
V
OUT
6
V
IN
6
V
OUT
5
V
IN
5
V
OUT
4
V
OUT
3
V
IN
3
V
OUT
2
V
IN
2
V
OUT
1
V
IN
1
FB
V
R
V
COM OUT
V
COM
V
C
700
*
700
*
700
*
700
*
700
*
700
*
700
*
700
*
700
*
*ESD PROTECTION RESISTORS
700
*
Figure 1. 48-Lead LFCSP
相關PDF資料 |
PDF描述 |
|---|---|
| ADD8708 | 18-Channel Gamma Buffer with Regulator |
| ADD8708WCPZ-REEL7 | 18-Channel Gamma Buffer with Regulator |
| ADD8708WSTZ-REEL | 18-Channel Gamma Buffer with Regulator |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADD8707WCPZ-TR | 制造商:Analog Devices 功能描述:MASK PROGRAMMABLE 12 CHAN-BUFFER - Tape and Reel |
| ADD8708 | 制造商:AD 制造商全稱:Analog Devices 功能描述:18-Channel Gamma Buffer with Regulator |
| ADD8708ACPZ | 制造商:Analog Devices 功能描述:18 CHANNEL PROGRAMMABLE GAMMA BUFFER WITH REGULATOR - Bulk |
| ADD8708ASTZ-REEL | 制造商:Analog Devices 功能描述: |
| ADD8708WCPZ-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:18-Channel Gamma Buffer with Regulator |
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