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PDF BUF06704 Data sheet ( Hoja de datos )
| Número de pieza | BUF06704 | |
| Descripción | (BUFxx704) CHANNER GAMMA CORRECTION BUFFER | |
| Fabricantes | Burr-Brown | |
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Hay una vista previa y un enlace de descarga de BUF06704 (archivo pdf) en la parte inferior de esta página. Total 25 Páginas | ||
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BUF05704, BUF06704
BUF07704, BUF11704
SBOS277E − JUNE 2004 − REVISED DECEMBER 2004
18ĆV SUPPLY MULTIĆCHANNEL GAMMA CORRECTION BUFFER
www.DataSheet4U.com
FEATURES
D Wide Supply Range: 4.5 V to 18 V
D Gamma Correction Channels: 10, 6, and 4
D Integrated VCOM Buffer
D Excellent Output Current Drive:
− Gamma Channels:
> 30 mA at 0.5 V Swing to Rails(1)
− VCOM:
> 100 mA typ at 2 V Swing to Rails(1)
D Large Capacitive Load Drive Capability
D Rail-to-Rail Output
D PowerPAD Package
D Low-Power/Channel: < 500 µA
D High ESD Rating: 8 kV HBM, 2 kV CDM,
300 V MM
D Specified for −25°C to +85°C
(1) See Typical Characteristic curves for details.
V DD
BUFxx704
So urce Driver
Gamma 1
Gamma 2
Gamma 3
Gamma (n − 2)
Gamma (n − 1)
Gamma (n)
DESCRIPTION
The BUFxx704 are a series of multi-channel buffers
targeted towards gamma correction in high-resolution
LCD panels. They are pin-compatible with the existing
BUFxx702 and BUFxx703 family and operate at higher
supply voltages up to 18 V (19 V absolute max). The
higher supply voltage enables faster response times
and brighter images in large-screen LCD panels. This
is especially important in LCD TV applications.
The number of gamma correction channels required
depends on a variety of factors and differs greatly from
design to design. Therefore, 10, 6, and 4 channel
options are offered. For additional space and cost
savings, a VCOM channel with > 100mA drive capability
is integrated into the BUF11704, BUF07704, and
BUF05704.
The BUF11704, BUF07704, BUF06704, and
BUF05704 are available in the TSSOP-28, TSSOP-20,
TSSOP-16, and TSSOP-14 PowerPAD packages for
dramatically increased power dissipation capability.
This way, a large number of channels can be handled
safely in one package.
A flow-through pin out has been adopted to allow simple
PCB routing and maintain the cost-effectiveness of this
solution. All inputs and outputs of the BUFxx704
incorporate internal ESD protection circuits that prevent
functional failures at voltages up to 8 kV (HBM), 2 kV
(CDM), and 300 V (MM).
MODEL
BUF11704
BUF07704
BUF06704
BUF05704
GAMMA
CHANNELS
10
6
6
4
VCOM CHANNELS
1
1
0
1
VCOM
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments Incorporated. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
www.ti.com
1 page  
www.ti.com
BUF05704, BUF06704
BUF07704, BUF11704
SBOS277E − JUNE 2004 − REVISED DECEMBER 2004
ELECTRICAL CHARACTERISTICS: BUF07704
Over operating free-air temperature range, VDD = 18 V, TA = 25°C, unless otherwise noted.
PARAMETER
TEST CONDITIONS
IDD Supply current
Common-mode input range
ALL
Buffers 1-3
Buffers 4-6
VCOM buffer
VCOM buffer sinking
Load regulation
VCOM buffer sourcing
Buffers 1-6 sinking
Buffers 1-6 sourcing
VOH1-3
VOH4-6
Buffers 1-3
High-level output
voltage
Buffers 4-6
VOL1-3
VOL4-6
Buffers 1-3
Low-level output
voltage
Buffers 4-6
VOHCOM
High-level output
voltage
VCOM buffer
VOLCOM
Low-level output
voltage
VCOM buffer
(1) Full range is −25°C to 85°C.
VO = VDD/2
No Load
IO = 1 mA to 100 mA
VIN = 2 V
IO = −1 mA to −100 mA
VIN = 16 V
IO = 1 mA to 10 mA
VIN = 1 V
IO = −1 mA to −10 mA
VIN = 17 V
VIN = 18 V
ISOURCE = 10 mA
VIN = 17 V
ISINK = 10 mA
VIN = 17 V
ISOURCE = 10 mA
VIN = 1 V
ISINK = 10 mA
VIN = 1 V
ISOURCE = 10 mA
VIN = 0 V
ISINK = 10 mA
VIN = 16 V
ISINK = 100 mA
VIN = 16 V
ISOURCE = 100 mA
VIN = 2 V
ISINK = 100 mA
VIN = 2 V
ISOURCE = 100 mA
TA(1)
25°C
Full range
25°C
25°C
Full range
25°C
Full range
25°C
Full range
25°C
Full range
25°C
25°C
25°C
25°C
25°C
25°C
MIN
1
GND
1
17.85
TYP MAX
5 7.5
7.5
VDD
VDD − 1
VDD
15
5
15
5
15
5
15
5
UNIT
mA
V
mV/mA
17.9 V
16.85
17 17.15
17
V
1.0 1.15
V
0.85 1.0
0 0.15 V
15.85
16 16.15
16
V
2 2.15
1.85 2
V
5
5 Page 
www.ti.com
BUF05704, BUF06704
BUF07704, BUF11704
SBOS277E − JUNE 2004 − REVISED DECEMBER 2004
TYPICAL CHARACTERISTICS
AC CURVES
POWER−SUPPLY REJECTION RATIO vs FREQUENCY
80 VDD = 10 V
RL = 2 k
70 CL = 100 pF
60
50
Gamma Channels
40
VCOM Buffer
30
20
10
0
10 100 1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
Figure 13
CROSSTALK vs FREQUENCY
0
VSUPPLY = 10 V
20 VIN = 1 VPP
40
60
80
100
120
140
10
100 1 k 10 k 100 k
f − Frequency − Hz
Figure 14
1M
11
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet BUF06704.PDF ] | |
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