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Advanced Analog Technology, Inc.
AAT7200/A
Details are subject to change without notice
14+1-Channel Buffer for TFT LCD
Features
14-Channels with Output Current: +30mA (MAX) One channel Vcom with Output Current: +100mA (MAX) Unity Gain Buffer Capable of Driving Large Capacitive Loads Input Range Adjusted to Match TFT LCD Requirements
General Description
Consisted of 14+1-channel buffers, the AAT7200 is designed to increase the driving capability for the needs of the thin film transistor liquid crystal display (TFT LCD). This device includes a Vcom buffer circuits, four rail to rail buffer amplifiers circuits, and 10 buffer amplifiers circuits. Each buffer is capable of driving heavy load and offering fast current loading ( Vcom : 100mA, the others: 30mA). .
VDD Specified for 6.5V to 16V TQFP-48 Package
Pin Configuration
TOP VIEW
TQFP-48
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Advanced Analog Technology, Inc.
AAT7200/A
Pin Description
Pin No. Name I/O Description
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
O13 O12 O11 O10 O9 O8 GND VDD O7 O6 O5 O4 O3 NC VDD NC NC O2 GND O1 GND VDD I1 I2 I3 I4 I5 I6 I7 VDD
O O O O O O I I O O O O O I O I O I I I I I I I I I I
Buffer Channel 13 Output Buffer Channel 12 Output Buffer Channel 11 Output Buffer Channel 10 Output Buffer Channel 9 Output Buffer Channel 8 Output Ground Power Supply Buffer Channel 7 Output Buffer Channel 6 Output Buffer Channel 5 Output Buffer Channel 4 Output Buffer Channel 3 Output Power Supply Buffer Channel 2 Output Ground Buffer Channel 1 Output Ground Power Supply Buffer Channel 1 Input Buffer Channel 2 Input Buffer Channel 3 Input Buffer Channel 4 Input Buffer Channel 5 Input Buffer Channel 6 Input Buffer Channel 7 Input Power Supply
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Advanced Analog Technology, Inc.
AAT7200/A
Pin Description (Cont.)
Pin No. 31 32 33 34 35 36 37 38 39 40* Name GND I8 I9 I10 I11 I12 I13 I14 I com I/O I I I I I I I I I Description Ground Buffer Channel 8 Input Buffer Channel 9 Input Buffer Channel 10 Input Buffer Channel 11 Input Buffer Channel 12 Input Buffer Channel 13 Input Buffer Channel 14 Input Com Buffer Positive Input (For AAT7200 Only)
NC I com- NC NC VDD GND VDD GND O com O14
40* 41 42 43 44 45 46 47 48
I I I I O O
Com Buffer Negative Input (For AAT7200A Only) Power Supply Ground Power Supply Ground Com Buffer Output Buffer Channel 14 Output
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Advanced Analog Technology, Inc.
AAT7200/A
Absolute Maximum Ratings
CHARACTERISTICS Supply Voltage SYMBOL VDD VALUE +18
-0.5 to VDD + 0.5 -0.5 to VDD + 0.5
30
UNIT V
Input Voltage Output Voltage Output Loading Current for Gamma , Rail-to-Rail Buffer Output Loading Current for Com Buffer Maximum Junction Temperature Operating Temperature Storage Temperature Lead Temperature (Soldering for10 seconds)
VI VO
V V mA mA
o o o o
IL TJ TC
Tstorage
---
100
+125
- 20 to +85 - 45 to +125
C C C C
260
Note 1: Operating device at values beyond absolute maximum ratings may cause permanent damage.
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Advanced Analog Technology, Inc.
AAT7200/A
Electrical Characteristics ( VDD =10V, TC =25oC unless otherwise specified)
Power Supply Performance Parameter Test Conditions Min Typ 80 9 Max Units dB mA
Power Supply Rejection PSRR VDD from 6.5V to 16.0V Ratio Supply Current IS
Input Characteristics Parameter Input Offset Voltage VOS Test Conditions VI = VDD /2 , VO = VDD /2 VI = VDD /2 , VO = VDD /2 Min Typ 2 Max 12 Units mV
Input Bias Current
IB
-
2
50
nA
AC Characteristics Parameter Slew Rate SR Test Conditions VI =2V to 8V, 20% to 80% VI =4.5V to 5.5V 0.1% VI =5.5V to 4.5V 0.1% Min Typ 1 Max Units V s
s
Settling Time
ts
-
5
-
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Advanced Analog Technology, Inc.
AAT7200/A
Electrical Characteristics ( VDD =10V, TC =25oC unless otherwise specified) (Cont.)
Output Characteristics Parameter Test Conditions I L =5mA (Buffer 1, 2, 13, 14) VI =0V I L =10mA (Buffer 3, 4,..., 11, 12) VI =1V I L = - 5 mA (Buffer 1, 2, 13, 14) VI =10V I L = - 10 mA (Buffer 3, 4,..., 11, 12) VI =9V I L =10mA, VI =5V I L = - 10 mA I L =50mA I L = - 50 mA (Buffer 1~14 ) Short Circuit Current I SC (Com Buffer), Icom- short to O com for AAT7200A VI =5V VI =5V VI =5V Min 9.85 Typ 0.08 1.02 9.92 Max 0.15 V 1.05 V 8.95 4.96 4.95 8.98 5.02 4.98 5.03 4.97
70 180
Un
Output Swing Low
VOL
Output Swing High
VOH
5.04 V 5.05 V mA mA
Output Swing (Buffer 3, 4,..., 11, 12)
VOL VOH VOL VOH
Output Swing (COM)
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Advanced Analog Technology, Inc.
AAT7200/A
Block Diagram
AAT7200
O14 48
Ocom 47
GND 46
V DD 45
GND 44
V DD 43
NC 42
NC 41
NC 40
Icom 39
I14 38
I13 37
COM 1 O13 2 O12 3 O11 4 10 O9 5 9 6 8 7 GND 7 8 V DD 9 6 10 O6 11 3 O4 12 2 1 25 I3 5 4 27 I5 26 28 29 I7 30 V DD 31 GND 32 I8 11 34 14 13 35 36 I12
I11
12
I10
O10
33
I9
O8
O7
I6
O5
I4
13 O3 NC
14
15 V DD
16 NC
17 NC
18 O2
19 GND
20 O1
21 GND
22 V DD
23 I1
24 I2
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Advanced Analog Technology, Inc.
AAT7200/A
Block Diagram
AAT7200A
O14 48
Ocom 47
GND 46
V DD 45
GND 44
V DD 43
NC 42
NC 41
Icom40
Icom 39
I14 38
I13 37
COM 1 O13 2 O12 3 O11 4 O10 10 O9 5 9 6 8 7 GND 7 8 V DD 9 6 10 O6 11 3 O4 12 2 1 25 I3 5 4 27 I5 26 28 29 I7 30 V DD 31 GND 32 I8 11 34 14 13 35 36 I12
I11
12
I10
33 I9
O8
O7
I6
O5
I4
13 O3 NC
14
15 V DD
16 NC
17 NC
18 O2
19 GND
20 O1
21 GND
22 V DD
23 I1
24 I2
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Advanced Analog Technology, Inc.
AAT7200/A
Application Circuit
AAT7200
In1
I1
Out1 O1
Out2 In2 I2 O2
In13
I13
Out13 O13
Out14 In14 I14 O14
OutC InC Icom Ocom
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Advanced Analog Technology, Inc.
AAT7200/A
Application Circuit
AAT7200A
In1
I1
Out1 O1
In2
I2
Out2 O2
In13
I13
Out13 O13
Out14 In14 I14 O14
InC
Icom OutC IcomOcom
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Advanced Analog Technology, Inc.
AAT7200/A
Package Dimension
TQFP48
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Advanced Analog Technology, Inc.
AAT7200/A
Package Dimension (Cont.)
TQFP48
NOTE: 1. CONTROLLING DIMENSION: MILLIMETER 2. LEAD FRAME MATERIAL: COPPER C7025 3. PACKAGE DIMENSION EXCLUSIVE MOLDING FLASH ALLOWABLE PROTRUSION IS 0.25 MILLIMETERS PER SIDE. 4. DIMENSION b DOES NOT INCLUDE DAMBER PROTRUSION. ALLOWABLE DAMBER PROTRUSION SHALL NOT CAUSE THE LEAD WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY MORE THAN 0.08 MILLIMETERS. 5. BOTTOM E-PIN INDENT ARE MARKED AS BELOW
6. ALL EDGE CORNERS HAVE TO BE R 0.20 MAX. 7. JEDEC NUMBER: MS-026
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Advanced Analog Technology, Inc.
AAT7200/A
Package Dimension (Cont.)
TQFP48
SYMBOL DIMENSIONS IN MILLIMETERS TYP 1.00 0.22 9.00 7.00 9.00 7.00 0.50 0.60 1.00
A A1 A2 b C E E1 D D1 e L L1
MIN 0.05 0.95 0.17 0.09 0.45 -
MAX 1.20 0.15 1.05 0.27 0.20 0.75 -
y
0o C 0.0
3.5 o C -
7.0 o C 0.08
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Advanced Analog Technology, Inc.
AAT7200/A
Tape and Reel
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Advanced Analog Technology, Inc.
AAT7200/A
Tape and Reel (Cont.)
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Advanced Analog Technology, Inc.
AAT7200/A
Tape and Reel (Cont.)
NOTE: 1. 10 SPROCKET HOLE PITCH CUMULATIVE TOLERANCE .02 2. CAMBER NOT TO EXCEED 1 MILLIMETER IN 100 MILLIMETERS 3. MATERIAL: PS+C 4. Ao AND Bo MEASURED ON A PLANE 0.3 MILLIMETERS ABOVE THE BOTTOM OF THE POCKET 5. Ko MEASURED FROM A PLANE ON THE INSIDE BOTTOM OF THE POCKET TO THE TOP SURFACE OF THE CARRIER 6. POCKET POSITION RELATIVE TO SPROCKET HOLE MEASURED AS TRUE POSITION OF POCKET, NOT POCKET HOLE.
Ordering Information
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