Preliminary AAT7200 14+1-Channel Buffer Features Channe

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Preliminary AAT7200 14+1-Channel Buffer Features Channe

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AAT7200
Preliminary AAT7200
14+1-Channel Buffer
Features
Channels with Output Current: +30mA
(MAX)
General Description
AAT7200 consists 14+1 channel buffers target toward needs thin film transistor liquid crystal display (TFT LCD). This device consist Vcom buffer circuits, four rail rail buffer amplifiers circuits buffer amplifiers circuits. Each buffer capable driving heavy capacitive loads offers fast load current (Vcom 100mA, others 30mA).
Vcom with +100mA(MAX)
Output
Current:
Unity Gain Buffer Capable Driving Large Capacitive Loads Input range Matched Reference Requirements Specified -20oC oC.6.5V TQFP-48 Pins
Configuration
VIEW
Advanced Analog Technology, Inc.
January 2004
AAT7200
Description
Name N.C. N.C. N.C. Description Buffer Channel Output Buffer Channel Output Buffer Channel Output Buffer Channel Output Buffer Channel Output Buffer Channel Output Ground Power Buffer Channel Output Buffer Channel Output Buffer Channel Output Buffer Channel Output Buffer Channel Output Power
Buffer Channel Ground Buffer Channel Ground Power Buffer Channel Buffer Channel Buffer Channel Buffer Channel Buffer Channel Buffer Channel Buffer Channel Power
Output Output
Input Input Input Input Input Input Input
continued
Advanced Analog Technology, Inc.
January 2004
AAT7200
Name Icom N.C. N.C. N.C. Ocom Description Ground Buffer Channel Input Buffer Channel Input Buffer Channel Input Buffer Channel Input Buffer Channel Input Buffer Channel Input Buffer Channel Input Buffer Input
Power Ground Power Ground Buffer Output Buffer Channel Output
Advanced Analog Technology, Inc.
January 2004
AAT7200
Absolute Maximum Ratings
CHARACTERISTICS Supply voltage Input Voltage Maximum Junction Temperature Operating Temperature Storage Temperature Lead Temperature(Soldering,10 second) SYMBOL
Tope Tstg
VALUE -0.5
+125
UNIT
Note1: Value beyond absolute maximum ratings cause permanent damage device.
Advanced Analog Technology, Inc.
January 2004
AAT7200
Electrical Characteristics (VDD=10V, TA=25oC unless otherwise specified.)
Power Supply Performance Parameter
Power Supply Ratio[2] Supply Current Rejection PSRR
Test Conditions
moved from 6.5V 15.5V
Units
Input Characteristics Parameter
Input Offset Voltage Input Bias Current
Test Conditions
Vin=VDD/2 Vout =VDD/2 Vin=VDD/2 Vout =VDD/2
Units
Output Characteristics Parameter Test Conditions
IL=5mA(Buffer 1,2,13,14) Vin=0v IL=10mA (Buffer 3,4,.,11,12) Vin=1v IL=-5mA (Buffer 1,2,13,14) Vin=10v IL=-10mA (Buffer 3,4,.,11,12) Vin=9v IL=10mA Vin=5v IL=-10mA IL=-50mA (Com Buffer) Vin=5v Vin=5v 4.96 4.95 IL=50mA Vin=5v (Buffer 1~14 9.85 8.95
0.08 1.02 9.92 8.98 5.02 4.98 5.03 4.97 +180
0.15 1.05
Units
Output Swing
Output Swing High
Output Swing (buffer 3,4,.,11,12) Output Swing (COM) Short Circuit Current
5.04 5.05
Advanced Analog Technology, Inc.
January 2004
AAT7200
Characteristics Parameter
Slew Rate[2] Settling Time
Test Conditions
Vin=2V Vin=4.5v 5.5v 0.1% Vin=5.5v 4.5v 0.1%
Units
Note2: Slew rage measured rising falling edges. Function Block Diagram
Advanced Analog Technology, Inc.
January 2004
AAT7200
Application Circuit
Icomp
Ocomp
10µF
Outc
Out1
Out2
Out3
In13
Out13
In14
Out14
Advanced Analog Technology, Inc.
January 2004
AAT7200
Package Dimension (Dimensions shown millimeters)
Advanced Analog Technology, Inc.
January 2004
AAT7200
SYMBOL DIMENSIONS MILLIMETERS MIN. NOM. MAX. -1.20 0.05 -0.15 0.95 1.00 1.05 0.17 0.22 0.27 0.09 -0.20 -9.00 -7.00 -9.00 -7.00 -0.50 -0.45 0.60 0.75 -1.00 -0.08
Advanced Analog Technology, Inc.
January 2004

Preliminary AAT7200 14+1-Channel Buffer Features Channe

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