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Электронный компонент: AAT7203

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Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 1 of 9 V 0.1
AAT7203
Details are subject to change without notice
4+1-CHANNEL BUFFER FOR TFT LCD
FEATURES
4+1-Channel:
4 Channels with an Output Current of
mA
30
(MAX); 1
com
V
with an Output
Current of
mA
100
(MAX)
Unity Gain Buffer Capable of Driving
Large Capacitive Loads
Input Range Matched to LCD Reference
Requirements
DD
V
Specified for 6.5V to 16V
TSSOP14 Package
GENERAL DESCRIPTION
The AAT7203 is a 4+1-channel buffer
designed for thin film transistor liquid crystal
display (TFT LCD). This device consists of a
com
V
buffer circuit, two rail-to-rail buffer
amplifier circuits, and 2 buffer amplifier
circuits. Each buffer is capable of driving
heavy capacitive loads and providing fast load
current (
com
V
: 100mA, and the others: 30mA).

AAT7203 comes in a compact TSSOP14
package, which makes it an ideal component
for space-sensitive designs of LCD monitors
and LCD TVs.
PIN CONFIGURATION
TOP VIEW
TSSOP14



Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 2 of 9 V 0.1
AAT7203
PIN DESCRIPTION
PIN NO.
NAME
I/O
DESCRIPTION
1
DD
V
I Power
Supply
2
o1
O
Buffer Channel 1 Output
3
o2
O
Buffer Channel 2 Output
4
o3
O
Buffer Channel 3 Output
5
o4
O
Buffer Channel 4 Output
6
com
O
O
Com Buffer Output
7 GND I
Ground
8 GND I
Ground
9
com
I
I
Com Buffer Input
10
i4
I
Buffer Channel 4 Input
11
i3
I
Buffer Channel 3 Input
12
i2
I
Buffer Channel 2 Input
13
i1
I
Buffer Channel 1 Input
14
DD
V
I Power
Supply

ABSOLUTE MAXIMUM RATINGS
CHARACTERISTICS SYMBOL VALUE UNIT
Supply Voltage
DD
V
+18 V
Input Voltage
I
V
5
.
0
-
to
5
.
0
V
DD
+
V
Output Voltage
O
V
5
.
0
-
to
5
.
0
V
DD
+
V
Output Loading Current for Gamma,
Rail-to-Rail Buffer
30
mA
Output Loading Current for Com Buffer
L
I
100
mA
Maximum Junction Temperature
J
T
+125
o
C
Operating Temperature
C
T
20
-
to +85
o
C
Storage Temperature
storage
T
45
-
to +125
o
C
Lead Temperature (Soldering for 10
Seconds)
---
260
o
C
Note: Values beyond absolute maximum ratings may cause permanent damage to the device.
Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 3 of 9 V 0.1
AAT7203
ELECTRICAL CHARACTTERISTICS
(V
DD
=10V, T
C
=25
o
C UNLESS
OTHERWISE SPECIFIED)

POWER SUPPLY PERFORMANCE
PARAMETER
TEST
CONDITIONS
MN
TYP
MAX
UNITS
Power Supply Rejection
Ratio
PSRR
DD
V
varies from 6.5V to
16.0V
- 80 - dB
Supply Current
S
I
-
6.3
-
mA

INPUT CHARACTERISTICS
PARAMETER
TEST
CONDITIONS
MIN
TYP
MAX
UNITS
Input Offset Voltage
OS
V
I
V =
DD
V
/2,
O
V =
DD
V
/2
- 2 12 mV
Input Bias Current
B
I
I
V =
DD
V
/2,
O
V =
DD
V
/2
- 2 50 nA
Note 2: Slew rate is measured on rising and falling edges.















Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 4 of 9 V 0.1
AAT7203
ELECTRICAL CHARACTTERISTICS
(V
DD
=10V, T
C
=25
o
C UNLESS
OTHERWISE SPECIFIED)

OUTPUT CHARACTERISTICS
PARAMETER
TEST
CONDITIONS
MIN
TYP
MAX
UNITS
L
I =5mA (Buffer 1, 4)
I
V =0V
- 0.08 0.15 V
Output Swing Low
OL
V
L
I =10mA (Buffer 2, 3)
I
V =1V
- 1.02 1.05 V
L
I =
5
-
mA (Buffer 1, 4)
I
V =10V
9.85
9.92 - V
Output Swing High
OH
V
L
I =
10
-
mA (Buffer 2, 3)
I
V =9V
8.95
8.98 - V
OL
V
L
I =10mA,
I
V =5V
- 5.02 5.04 V
Output Swing
(Buffer 2,3)
OH
V
L
I =
10
-
mA,
I
V =5V
4.96
4.98 - V
OL
V
L
I =50mA,
I
V =5V
- 5.03 5.05 V
Output Swing (COM)
OH
V
I
L
=
50
-
mA,
I
V =5V
4.95
4.97 - V
(Buffer 2,3 )
-
70
- mA
Short Circuit Current
SC
I
(Com Buffer, Buffer 1, 4)
-
180
- mA

AC CHARACTERISTICS
Parameter
Test
Conditions
Min
Typ Max Units
Slew Rate (Note 2)
SR
I
V =2V to 8V,
20% to 80%
- 1 - V/
s
Settling Time
s
t
I
V =4.5V to 5.5V 0.1%
I
V =5.5V to 4.5V 0.1%
- 5 -
s
Note 2: Slew rate is measured on rising and falling edges.




Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 5 of 9 V 0.1
AAT7203
BLOCK DIAGRAM









Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 6 of 9 V 0.1
AAT7203
APPLICATION CIRCUIT
10
10
10
10
10
F
1
F
1
F
1
F
1
F
1



Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 7 of 9 V 0.1
AAT7203
PACKAGE DIMENSION
TSSOP14

















Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 8 of 9 V 0.1
AAT7203
PACKAGE DIMENSION (CONT.)
TSSOP14
DIMENSIONS IN MILLIMETERS
DIMENSIONS IN INCHES
SYMBOL
MIN TYP MAX MIN TYP MAX
A --- --- 1.20 --- ---
0.047
A1 0.05 --- 0.15 0.002 --- 0.006
A2 0.80 1.00 1.05 0.031
0.039
0.041
b 0.19 --- 0.30
0.007 --- 0.012
C 0.09 --- 0.20
0.0035
---
0.0080
D 4.90 5.00 5.10
0.193
0.197
0.201
E ---
6.40
---
0.193
0.252
0.201
E1 4.30 4.40 4.50
0.170
0.173
0.177
e ---
0.65
--- ---
0.026
---
L 0.45
0.60
0.75
0.0177
0.0240
0.0295
y --- ---
0.076
--- ---
0.003
o
0
---
o
8
o
0
---
o
8
Note:
1. CONTROLLING DIMENSION: MILLIMETERS
2. LEAD FRAME MATERIAL: OLIN C7025/EFTEC 64T
3. DIMENSION "D" DOES NOT INCLUDE MOLD FLASH, TIE BAR BURRS AND GATE BURRS. MOLD FLASH,
TIE BAR BURRS AND GATE BURRS SHALL NOT EXCEED 0.006" [0.15 MILLIMETERS] PER END. DIMENSION
"E1" DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" [0.25
MILLIMETERS] PER SIDE.
4. DIMENSION "b" DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
SHALL BE 0.003" [0.08 MILLIMETERS] TOTAL IN EXCESS OF THE "b" DIMENSION AT MAXIMUM MATERIAL
CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSION AND AN ADJACENT LEAD TO BE 0.0028" [0.07 MILLIMETERS]
5. TOLERANCE:
0.010" [0.25 MILLIMETERS] UNLESS OTHERWISE SPECIFIED.
6. OTHERWISE DIMENSION FOLLOW ACCEPTABLE SPEC.
7. REFERENCE DOCUMENT: JEDEC SPEC MO-153
Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
Page 9 of 9 V 0.1
AAT7203
ORDERING INFORMATION