參數(shù)資料
型號： BUF20820
英文描述： 18-Channel GAMMA VOLTAGE GENERATOR with Two Programmable VCOM Channels
中文描述： 18通道伽瑪雙通道可編程的VCOM電壓發(fā)生器
文件頁數(shù)： 3/32頁
文件大小： 1826K
代理商： BUF20820
"#$%&$%
SBOS330C DECEMBER 2005 REVISED OCTOBER 2006
www.ti.com
3
ELECTRICAL CHARACTERISTICS
Boldface
limits apply over the specified temperature range,
T
A
= 40
°
C to +85
°
C.
At T
A
= +25
°
C, V
S
= 18V, V
SD
= 5V, V
REFH
= 17V, V
REFL
= 1V, R
L
= 1.5k
connected to ground, and C
L
= 200pF, unless otherwise noted.
BUF20820
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG
Gamma Output Swing—High
OUT19, REFH OUT, Sourcing 10mA, V
REFH
= 17.8V, Code 1023
OUT1018, REFL OUT, Sourcing 10mA, V
REFH
= 17.8V, Code 1023
OUT19, REFH OUT, Sinking 10mA, V
REFL
= 0.2V, Code 00
OUT1018, REFL OUT, Sinking 10mA, V
REFL
= 0.2V, Code 00
V
COM
, Sourcing 100mA, V
REFH
= 17.8V
V
COM
, Sinking 100mA, V
REFL
= 0.2V
17.7
17.0
17.8
17.2
0.6
0.2
15.5
1
V
V
V
V
V
V
Gamma Output Swing—Low
1.0
0.3
V
COM
Buffer Output Swing—High
V
COM
Buffer Output Swing—Low
Output Current
REFH Input Range
(1)
REFL Input Range
(1)
Integral Nonlinearity
Differential Nonlinearity
Gain Error
Program to Out Delay
Output Accuracy
over Temperature
Input Resistance at V
REFH
and V
REFL
Load Regulation, All References
40mA, All Channels
ANALOG POWER SUPPLY
Operating Range
(2)
Total Analog Supply Current
over Temperature
DIGITAL
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic 0 Output Voltage
Input Leakage
Clock Frequency
13
2.0
See Typical Characteristics Curve
4
GND
0.3
0.3
0.12
5
±
20
±
25
100
0.5
0.5
V
S
V
V
V
S
4
1.5
1
INL
DNL
No Load, V
REFH
= 17V, V
REFL
= 1V
No Load, V
REFH
= 17V, V
REFL
= 1V
Bits
Bits
%
μ
s
mV
mV
M
mV/mA
mV/mA
t
D
No Load, V
REFH
= 17V, V
REFL
= 1V
±
50
R
INH
REG
V
OUT
= V
S
/2, I
OUT
= +5mA to 5mA Step
V
OUT
= V
S
/2, I
SINKING
= 40mA, I
SOURCING
= 40mA
1.5
1.5
V
S
I
S
7
18
28
28
V
No Load
18
mA
mA
V
IH
V
IL
V
OL
0.7
×
V
SD
V
V
V
μ
A
kHz
MHz
0.3
×
V
SD
0.4
±
10
400
3.4
I
SINK
= 3mA
0.15
±
0.01
f
CLK
Standard/Fast Mode
High-Speed Mode
DIGITAL POWER SUPPLY
Operating Voltage Range
Digital Supply Current
(3)
over Temperature
TEMPERATURE
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Resistance, HTSSOP-38
Junction-to-Ambient
Junction-to-Case
V
SD
I
SD
2.0
5.5
50
V
μ
A
μ
A
No-Load, Two-Wire Bus Inactive
25
100
40
40
65
+85
+95
+150
°
C
°
C
°
C
Junction Temperature < 125
°
C
JA
JC
30
15
°
C/W
°
C/W
(1)See Applications Information section
REFH and REFL Input Range
.
(2)Minimum analog supply voltage is 8.5V when programming OTP memory.
(3)See typical characteristic curve,
Digital Supply Current vs Two-Wire Bus Activity
.
相關PDF資料
PDF描述
BUF20820AIDCPR 18-Channel GAMMA VOLTAGE GENERATOR with Two Programmable VCOM Channels
BUF20820AIDCPRE4 18-Channel GAMMA VOLTAGE GENERATOR with Two Programmable VCOM Channels
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相關代理商/技術參數(shù)
參數(shù)描述
BUF20820AIDCPR 功能描述:LCD Gamma緩沖器 18-Ch Vltg Generator w/2 Prog VCOM Chs RoHS:否 制造商:Maxim Integrated 輸入補償電壓: 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
BUF20820AIDCPRE4 功能描述:LCD Gamma緩沖器 18-Ch Vltg Generator w/2 Prog VCOM Chs RoHS:否 制造商:Maxim Integrated 輸入補償電壓: 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
BUF20820EVM 功能描述:放大器 IC 開發(fā)工具 BUF20800-BUF20820 Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
BUF22821 制造商:TI 制造商全稱:Texas Instruments 功能描述:Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory
BUF22821AIDCPR 功能描述:LCD Gamma緩沖器 Prgrmbl Gam-Vltg Gen & Vcom Calibrator RoHS:否 制造商:Maxim Integrated 輸入補償電壓: 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube
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