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| Advanced Analog Technology, Inc. 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 30mA (MAX); 1 Vcom with an Output 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 Vcom 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 ( Vcom : 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. Current of 100mA (MAX) Unity Gain Buffer Capable of Driving Large Capacitive Loads Input Range Matched to LCD Reference Requirements VDD Specified for 6.5V to 16V TSSOP14 Package PIN CONFIGURATION TOP VIEW TSSOP14 - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 1 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 PIN DESCRIPTION PIN NO. NAME VDD I/O DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 I O O O O O I I I I I I I I Power Supply Buffer Channel 1 Output Buffer Channel 2 Output Buffer Channel 3 Output Buffer Channel 4 Output Com Buffer Output Ground Ground Com Buffer Input Buffer Channel 4 Input Buffer Channel 3 Input Buffer Channel 2 Input Buffer Channel 1 Input Power Supply o1 o2 o3 o4 O com GND GND I com i4 i3 i2 i1 VDD 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 for 10 Seconds) VI VO IL TJ TC Tstorage --- V V mA mA o C o o o 100 +125 - 20 to +85 - 45 to +125 C C C 260 Note: Values beyond absolute maximum ratings may cause permanent damage to the device. - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 2 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 ELECTRICAL CHARACTTERISTICS (VDD=10V, TC=25oC UNLESS OTHERWISE SPECIFIED) POWER SUPPLY PERFORMANCE PARAMETER TEST CONDITIONS MN TYP MAX UNITS Power Supply Rejection Ratio Supply Current PSRR IS VDD varies from 6.5V to 16.0V - 80 6.3 - dB mA INPUT CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input Offset Voltage VOS IB VI = VDD /2, VO = VDD /2 VI = VDD /2, VO = VDD /2 - 2 12 mV Input Bias Current - 2 50 nA Note 2: Slew rate is measured on rising and falling edges. - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 3 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 ELECTRICAL CHARACTTERISTICS (VDD=10V, TC=25oC UNLESS OTHERWISE SPECIFIED) OUTPUT CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Output Swing Low VOL I L =5mA (Buffer 1, 4) VI =0V I L =10mA (Buffer 2, 3) VI =1V I L = - 5 mA (Buffer 1, 4) VI =10V I L = - 10 mA (Buffer 2, 3) VI =9V I L =10mA, VI =5V I L = - 10 mA, VI =5V I L =50mA, VI =5V IL= - 50 mA, VI =5V (Buffer 2,3 ) (Com Buffer, Buffer 1, 4) 9.85 8.95 4.96 4.95 - 0.08 1.02 9.92 8.98 5.02 4.98 5.03 4.97 70 180 0.15 1.05 5.04 5.05 - V V V V V V V V mA mA Output Swing High VOH Output Swing (Buffer 2,3) Output Swing (COM) Short Circuit Current VOL VOH VOL VOH I SC AC CHARACTERISTICS Parameter Test Conditions VI =2V to 8V, 20% to 80% Min Typ Max Units Slew Rate (Note 2) SR ts - 1 - V/ s s Settling Time VI =4.5V to 5.5V VI =5.5V to 4.5V 0.1% 0.1% - 5 - Note 2: Slew rate is measured on rising and falling edges. - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 4 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 BLOCK DIAGRAM - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 5 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 APPLICATION CIRCUIT 10 1F 10 1F 10 1F 10 1F 10 1F - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 6 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 PACKAGE DIMENSION TSSOP14 - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 7 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 PACKAGE DIMENSION (CONT.) TSSOP14 DIMENSIONS IN MILLIMETERS MIN TYP MAX DIMENSIONS IN INCHES MIN TYP MAX SYMBOL A A1 A2 b C D E E1 e L y Note: --0.05 0.80 0.19 0.09 4.90 --4.30 --0.45 --0o ----1.00 ----5.00 6.40 4.40 0.65 0.60 ----- 1.20 0.15 1.05 0.30 0.20 5.10 --4.50 --0.75 0.076 8o --0.002 0.031 0.007 0.0035 0.193 0.193 0.170 --0.0177 --0o ----0.039 ----0.197 0.252 0.173 0.026 0.0240 ----- 0.047 0.006 0.041 0.012 0.0080 0.201 0.201 0.177 --0.0295 0.003 8o 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 - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 8 of 9 V 0.1 Advanced Analog Technology, Inc. AAT7203 ORDERING INFORMATION - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 9 of 9 V 0.1 |
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