參數(shù)資料
型號(hào)： BUF08800AIPWPR
英文描述： Programmable Reference Generator and 400mA VCOM Driver
中文描述： 可編程參考發(fā)電機(jī)驅(qū)動(dòng)器和400mA威科姆
文件頁(yè)數(shù)： 6/23頁(yè)
文件大?。?/td> 627K
代理商： BUF08800AIPWPR
"#$%%$$
SBOS380A FEBRUARY 2007 REVISED MAY 2007
APPLICATIONS INFORMATION
The BUF08800 programmable voltage reference allows
fast and easy adjustment of eight programmable reference
outputs, each with 10-bit resolution. It allows very simple,
time-efficient adjustment of the V
COM
and gamma
reference voltages. The BUF08800 is programmed
through a high-speed, standard two-wire interface. The
BUF08800 features a double-register structure for each
digital-to-analog converter (DAC) channel to simplify the
implementation of dynamic gamma control (see the
Dynamic Control
section). This architecture allows
pre-loading of register data and rapid updating of all
channels simultaneously.
V
COM
(OUT 1) and buffers 24 are able to swing to within
200mV of the positive supply rail, and to within 1V of the
negative supply rail. Buffers 58 are able to swing to within
www.ti.com
6
1V of the positive supply rail, and to within 250mV of the
negative supply rail. (See the
Electrical Characteristics
table for further information.)
Buffers 28 are capable of full-scale change in output
voltage in less than 4
μ
s; see Figure 4.
The BUF08800 uses an analog supply of 7V to 22V and a
digital supply of 2V to 5.5V. The digital supply must be
applied prior to or simultaneously with the analog supply
to avoid excessive current and power consumption;
damage to the device may occur if it is left connected only
to the analog supply for an extended time.
Figure 10 shows the BUF08800 in a typical configuration.
In this configuration, the BUF08800 device address is 74h.
The output of each DAC is immediately updated as soon
as data is received in the corresponding register (LD = 0).
(1)RC combination optional
(2)GND and GND (digital) are internally connected and must be at the same voltage potential.
GND
GND
+IN (V
COM
)
IN (V
COM
)
V
SD
SCL
SDA
A0
LD
GND (digital)
(2)
V
COM
(OUT 1)
V
S
V
S
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
Source
Driver
Timing
Controller
V
S
3.3V
10
μ
F
100
μ
F
BUF08800
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
100nF
1
μ
F
V
COM
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Figure 10. Typical Application Configuration
相關(guān)PDF資料
PDF描述
BUF08800 Programmable Reference Generator and 400mA VCOM Driver
BUF11702PWP
BUF11705 22 - V Supply, 10 + 1 Channel Gamma Correction Buffer
BUF11705AIPWPR 22 - V Supply, 10 + 1 Channel Gamma Correction Buffer
BUF12800 REFERENCE VOLTAGE GENERATOR for LCD GAMMA CORRECTION
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BUF08800AIPWPRG4 功能描述:LCD Gamma緩沖器 Progr Ref Gen & 400mA Vcom Driver RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
BUF08821 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory
BUF08821A 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory
BUF08821AIPWPR 功能描述:LCD Gamma緩沖器 8 channel LCD Gamma Buffer RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
BUF08821AIPWPRG4 功能描述:LCD Gamma緩沖器 8 Ch LCD Gamma Buffer RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
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