參數(shù)資料
型號(hào): BUF12800AIPWP
英文描述: REFERENCE VOLTAGE GENERATOR for LCD GAMMA CORRECTION
中文描述: 參考電壓發(fā)生器,用于LCD伽瑪校正
文件頁數(shù): 3/20頁
文件大小: 282K
代理商: BUF12800AIPWP
"#$%&''
SBOS315 DECEMBER 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS
Boldface
limits apply over the specified temperature range,
T
A
= 40
°
C to +85
°
C.
At TA = +25
°
C, VS = 18V, VSD = 5V, VREFH = 17V, VREFL = 1V, RL = 1.5k
connected to ground, and CL = 200pF, unless otherwise noted.
BUF12800
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG
Buffer Output Swing—High
Buffers A-F, Code = 1023, Sourcing 10mA, VREFH = 17.8
Buffers G-L, Code = 1023, Sourcing 10mA, VREFH = 17.8
Buffers A-F, Code = 0, Sinking 10mA, VREFL = 0.2
Buffers G-L, Code = 0, Sinking 10mA, VREFL = 0.2
17.7
16.3
17.8
16.98
1.0
0.2
V
V
V
V
Buffer Output Swing—Low
1.1
0.3
Buffer Output Reset and Power-Up Value
Buffer A
Buffer B
Buffer C
Buffer D
Buffer E
Buffer F
Code 3E0h (11 1110 0000)
Code 360h (11 0110 0000)
Code 320h (11 0010 0000)
Code 300h (11 0000 0000)
Code 2C0h (10 1100 0000)
Code 240h (10 0100 0000)
16.452
14.450
13.450
12.952
11.952
9.950
16.502
14.500
13.500
13.002
12.002
10.000
16.552
14.550
13.550
13.052
12.052
10.050
V
V
V
V
V
V
Buffer G
Buffer H
Buffer I
Buffer J
Buffer K
Buffer L
Code 1C0h (01 1100 0000)
Code 140h (01 0100 0000)
Code 100h (01 0000 0000)
Code 0E0h (00 1110 0000)
Code 0A0h (00 1010 0000)
Code 020h (00 0010 0000)
7.955
5.958
4.957
4.459
3.457
1.457
8.005
6.008
5.007
4.509
3.507
1.507
8.055
6.058
5.057
4.559
3.557
1.557
V
V
V
V
V
V
REFH Input Range
REFL Input Range
Integral Nonlinearity
Differential Nonlinearity
Gain Error
Program to Out Delay
Output Accuracy
vs Temperature
Input Resistance at VREFH and VREFL
Load Regulation, 10mA, All Buffers
50mA, Buffers A-F
4
VS 0.2
VS 4
V
V
0.2
INL
DNL
0.3
0.3
0.12
5
±
20
±
25
100
0.5
0.5
Bits
Bits
%
μ
s
mV
μ
V/
°
C
M
mV/mA
mV/mA
tD
±
50
VREFH and VREFL Held Constant
RINH
REG
VOUT = VS/2, IOUT = +5mA to 5mA Step
VOUT = VS/2, ISINKING = 50mA, ISOURCING = 50mA
1.5
1.5
ANALOG POWER SUPPLY
Operating Voltage Range
Total Analog Supply Current
over Temperature
DIGITAL
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic 0 Output Voltage
Input Leakage
Clock Frequency
VS
IS
7
18
15
15
V
Outputs at Reset Values, No Load
9
mA
mA
0.7(VSD)
V
V
V
μ
A
kHz
MHz
0.3(VSD)
0.4
±
10
400
3.4
ISINK = 3mA
0.15
±
0.01
fCLK
Standard/Fast Mode
High-Speed Mode
DIGITAL POWER SUPPLY
Operating Voltage Range
Digital Supply Current(1)
over Temperature
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance, TSSOP-24(2)
Junction-to-Ambient
Junction-to-Case
VSD
ISD
2.7
5.5
50
V
μ
A
μ
A
Outputs at Reset Values, No-Load, Two-Wire Bus Inactive
25
100
40
40
65
+85
+95
+150
°
C
°
C
°
C
Junction Temperature < 125
°
C
JA
JC
30.13
0.92
°
C/W
°
C/W
(1)See the typical characteristic
Digital Supply Current vs Two-Wire Bus Activity
.
(2)PowerPAD attached to PCB, 0lfm airflow, and 76mm x 76mm copper area.
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