ADD8506 Buffer Datasheet

ADD8506 Datasheet PDF, Equivalent


Part Number

ADD8506

Description

6-Channel Muxed Input / LCD Gamma Reference Buffer

Manufacture

Analog Devices

Total Page 8 Pages
PDF Download
Download ADD8506 Datasheet PDF


ADD8506
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
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.drights of third parties that may result from its use. Specifications subject to change without notice. No
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Tel: 781.329.4700
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© 2005 Analog Devices, Inc. All rights reserved.

ADD8506
ADD8506
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Pin Configuration Diagram ............................................................ 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics............................................................. 3
Absolute Maximum Ratings............................................................ 4
Thermal Resistance .......................................................................4
ESD Performance ..........................................................................4
ESD Caution...................................................................................4
Typical Performance Characteristics ..............................................5
Applications........................................................................................6
Outline Dimensions ..........................................................................7
Ordering Guide .............................................................................7
REVISION HISTORY
9/05—Revision 0: Initial Version
Rev. 0 | Page 2 of 8


Features 6-Channel, Muxed Input Line Inversion LC D Gamma Buffer ADD8506 FEATURES Single- supply operation: 3.3 V to 6.5 V Rail-t o-rail input, rail-to-rail output High output current: 380 mA Low supply curre nt: 3.9 mA Stable with 1 nF loads Wide temperature range: −40°C to +105°C 24-lead, Pb-free, TSSOP package PIN CO NFIGURATION DIAGRAM INA1 1 INB1 2 INA2 3 INB2 4 INA3 5 INB3 6 INA4 7 INB4 8 24 VCC1 23 OUT1 22 OUT2 21 OUT3 20 VCC2 1 9 A/B 18 GND 17 GND 16 OUT4 15 OUT5 055 49-003 APPLICATIONS LCD line inversion gamma references Car navigation panels Personal media player panels INA5 9 I NB5 10 INA6 11 INB6 12 14 OUT6 13 VCC3 GENERAL DESCRIPTION The ADD8506 has 6 -channel LCD gamma reference buffers de signed to drive column driver gamma inp uts in line inversion panels. Each buff er channel has an A/B input to select b etween two gamma voltage curves. These buffer channels drive the resistor ladd ers of LCD column drivers for gamma cor rection. The ADD8506 outputs have high slew rates and output drives.
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