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PDF ADD8506 Data sheet ( Hoja de datos )
| Número de pieza | ADD8506 | |
| Descripción | 6-Channel Muxed Input / LCD Gamma Reference Buffer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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6-Channel, Muxed Input
Line Inversion LCD Gamma Buffer
ADD8506
FEATURES
Single-supply operation: 3.3 V to 6.5 V
Rail-to-rail input, rail-to-rail output
High output current: 380 mA
Low supply current: 3.9 mA
Stable with 1 nF loads
Wide temperature range: −40°C to +105°C
24-lead, Pb-free, TSSOP package
APPLICATIONS
LCD line inversion gamma references
Car navigation panels
Personal media player panels
GENERAL DESCRIPTION
The ADD8506 has 6-channel LCD gamma reference buffers
designed to drive column driver gamma inputs in line
inversion panels. Each buffer channel has an A/B input to
select between two gamma voltage curves. These buffer
channels drive the resistor ladders of LCD column drivers
for gamma correction. The ADD8506 outputs have high
slew rates and output drives that increase the stability of the
reference ladder, resulting in optimal gray scale and visual
performance.
The ADD8506 is specified over the −40°C to +105°C
temperature range. It is available in a 24-lead thin shrink small
outline (TSSOP), surface-mount, Pb-free package.
PIN CONFIGURATION DIAGRAM
INA1 1
INB1 2
INA2 3
INB2 4
INA3 5
INB3 6
INA4 7
INB4 8
INA5 9
INB5 10
INA6 11
INB6 12
24 VCC1
23 OUT1
22 OUT2
21 OUT3
20 VCC2
19 A/B
18 GND
17 GND
16 OUT4
15 OUT5
14 OUT6
13 VCC3
Figure 1.
tasheet4u.comRev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
aresponsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
.drights 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.
wwwTrademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
© 2005 Analog Devices, Inc. All rights reserved.
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
5.5
VCM = 2.5V
5.0 TA = 25°C
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0123456
SUPPLY VOLTAGE (V)
Figure 2. Supply Current vs. Supply Voltage
7
1000
VCC = 5V
TA = 25°C
100
OUTPUT HIGH
OUTPUT LOW
10
1
0 1 10 100
LOAD CURRENT (mA)
Figure 3. Δ Output Voltage to Supply Rail vs. Load Current
6
4 CH6
2 CH2
CH5
0
CH3
–2
CH1
–4
VCC = 5V
VCM = 2.5V
–6 CH4
–8
–40
0
25 40 80 90 95
TEMPERATURE (°C)
100
Figure 4. Offset Voltage vs. Temperature
105
ADD8506
5V
INPUT
0V
5V
VCC = 5V
TA = 25°C
OUTPUT
0V
CH1 2.00V CH2 2.00V
M400ns
Figure 5. Transient Response—Rising
INPUT
0V
OUTPUT
5V
VCC = 5V
TA = 25°C
5V
0V
CH1 2.00V CH2 2.00V
M400ns
Figure 6. Transient Response—Falling
Rev. 0 | Page 5 of 8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ADD8506.PDF ] | |
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