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ADD8504WRUZ-REEL7 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
ADD8504WRUZ-REEL7 4-, 5-, 6-Channel, Muxed Input Line Inversion LCD Gamma Buffers ADI
Analog Devices ADI
ADD8504WRUZ-REEL7 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
4-, 5-, 6-Channel, Muxed Input
Line Inversion LCD Gamma Buffers
ADD8504/ADD8505/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
16-, 20-, and 24-lead, Pb-free, TSSOP packages
APPLICATIONS
LCD line inversion gamma references
Car navigation panels
Personal media player panels
GENERAL DESCRIPTION
The ADD8504, ADD8505, and ADD8506 are 4-, 5-, and
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 ADD8504/
ADD8505/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 ADD8504/ADD8505/ADD8506 are specified over the
−40°C to +105°C temperature range. They are available, respec-
tively, in 16-, 20-, and 24-lead thin shrink small outline (TSSOP),
surface-mount, Pb-free packages.
PIN CONFIGURATION DIAGRAMS
INA1 1
INB1 2
INA2 3
INB2 4
INA3 5
INB3 6
INA4 7
INB4 8
16 OUT1
15 OUT2
14 VCC1
13 A/B
12 GND
11 GND
10 OUT3
9 OUT4
Figure 1. ADD8504: 4-Channel Buffer
INA1 1
INB1 2
INA2 3
INB2 4
INA3 5
INB3 6
INA4 7
INB4 8
INA5 9
INB5 10
20 VCC1
19 OUT1
18 OUT2
17 OUT3
16 VCC2
15 A/B
14 GND
13 GND
12 OUT4
11 OUT5
Figure 2. ADD8505: 5-Channel Buffer
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 3. ADD8506: 6-Channel Buffer
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights 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.
Trademarks and registered trademarks are the property of their respective owners.
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
©2006 Analog Devices, Inc. All rights reserved.
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