Advanced Analog Technology, Inc. AAT7204 Details are subject to change without notice 6+1-CHANNEL BUFFER FOR TFT LCD FEATURES z GENERAL DESCRIPTION 6+1 Channel: 6 Channels with an Output Current of 30mA (MAX); 1 Vcom with an Output Current of 100mA (MAX) z Unity Gain Buffer Capable of Driving Large Capacitive Loads z Input Range Matched to LCD Reference Requirements z VDD Specified for 6.5V to 16.0V z TSSOP Power PAD-20 & SOP20 Package Available The AAT7204 consists of 6+1 channel buffers target toward the needs of thin film transistor liquid crystal display (TFT LCD). This device consists of a Vcom buffer circuits, two rail-to-rail buffer amplifier circuits and 4 buffer amplifier circuits. Each buffer is capable of driving heavy capacitive loads and offering fast current loading ( Vcom : 100mA, the others: 30mA). The AAT7204 comes in alternative TSSOP Power PAD-20 or SOP20 package. Diversity makes this device an ideal part for LCD monitors and LCD TVs. PIN CONFIGURATION TOP VIEW TSSOP Power PAD-20 & SOP20 Package - - - Advanced Analog Technology, Inc. - Page 1 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NAME VDD I/O I Power Supply o1 o2 o3 o4 o5 o6 NC O com O O O O O O O I I I I I I I I I I Buffer Channel 1 Output Buffer Channel 2 Output Buffer Channel 3 Output Buffer Channel 4 Output Buffer Channel 5 Output Buffer Channel 6 Output Com Buffer Output Ground Ground Com Buffer Input Buffer Channel 6 Input Buffer Channel 5 Input Buffer Channel 4 Input Buffer Channel 3 Input Buffer Channel 2 Input Buffer Channel 1 Input Power Supply GND GND I com NC i6 i5 i4 i3 i2 i1 VDD DESCRIPTION - - - Advanced Analog Technology, Inc. - Page 2 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 ABSOLUTE MAXIMUM RATINGS CHARACTERISTICS Supply Voltage VDD VALUE +18 UNIT V Input Voltage VI -0.5 to VDD + 0.5 V Output Voltage VO -0.5 to VDD + 0.5 V Output Loading Current for Gamma , Rail-to-Rail Buffer Output Loading Current for Com Buffer Maximum Junction Temperature 30 IL mA 100 +125 mA o C Operating Temperature Storage Temperature Lead Temperature (Soldering for 10 Seconds) SYMBOL TJ TC - 20 to +85 o Tstorage - 45 to +125 o --- 260 o C C C Note 1: Values beyond absolute maximum ratings may cause permanent damage to the device. - - - Advanced Analog Technology, Inc. - Page 3 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 ELECTRICAL CHARACTTERISTICS (VDD=10V, TC=25oC UNLESS OTHERWISE SPECIFIED) POWER SUPPLY PERFORMANCE PARAMETER TEST CONDITIONS Power Supply Rejection Ratio PSRR VDD varies from 6.5V to 16.0V IS Supply Current MN TYP MAX UNITS - 80 - dB - 6.7 - mA MIN TYP MAX UNITS INPUT CHARACTERISTICS PARAMETER Input Offset Voltage Input Bias Current TEST CONDITIONS VOS VI = VDD /2, VO = VDD /2 - 2 12 mV IB VI = VDD /2, VO = VDD /2 - 2 50 nA - - - Advanced Analog Technology, Inc. - Page 4 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 OUTPUT CHARACTERISTICS PARAMETER Output Swing Low Output Swing High Output Swing (Buffer 2, 3, 4, 5) Output Swing (COM) Short Circuit Current TEST CONDITIONS VOL VOH MIN TYP I L =5mA (Buffer 1, 6) VI =0V I L =10mA (Buffer 2, 3, 4, 5) VI =1V I L = - 5 mA (Buffer 1, 6) VI =10V I L = - 10 mA (Buffer 2, 3, 4, 5) VI =9V MAX UNITS - 0.08 0.15 V - 1.02 1.05 V 9.85 9.92 - V 8.95 8.98 - V - 5.02 5.04 V VOL I L =10mA, VI =5V VOH I L = - 10 mA, VI =5V 4.96 4.98 - V VOL I L =50mA, VI =5V IL= - 50 mA, VI =5V (Buffer 2~5 ) - 5.03 5.05 V 4.95 - 4.97 70 180 - V mA - mA VOH ISC (Com Buffer, Buffer1, 6) - AC Characteristics Parameter Test Conditions Slew Rate (Note 2) SR VI =2V to 8V, 20% to 80% Settling Time ts VI =4.5V to 5.5V VI =5.5V to 4.5V 0.1% 0.1% Min Typ Max Units - 1 - V/ s - 5 - s Note 2: Slew rate is measured on rising and falling edges. - - - Advanced Analog Technology, Inc. - Page 5 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 BLOCK DIAGRAM - - - Advanced Analog Technology, Inc. - Page 6 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 APPLICATION CIRCUIT 10 1F 10 10 1F 1F 10 1F 10 1F 10 10 1F 1F - - - Advanced Analog Technology, Inc. - Page 7 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 PACKAGE DIMENSION TSSOP Power PAD-20 - - - Advanced Analog Technology, Inc. - Page 8 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 PACKAGE DIMENSION (CONT.) TSSOP Power PAD-20 SYMBOL A A1 A2 b C D E E1 e L L1 y DIMENSIONS IN MILLIMETERS MIN TYP MAX ----1.20 0.05 --0.15 0.08 1.00 1.05 0.19 --0.30 0.09 --0.20 6.40 6.50 6.60 --6.40 --4.30 4.40 4.50 --0.65 --0.45 0.60 0.75 --1.00 --o --0 8o ----0.076 DIMENSIONS IN INCHES MIN TYP MAX ----0.047 0.002 --0.006 0.003 0.039 0.041 0.007 --0.012 0.0035 --0.0080 0.252 0.256 0.260 --0.252 --0.170 0.173 0.177 --0.026 --0.0177 0.0240 0.0295 --0.039 --o --0 8o ----0.003 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 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. - Page 9 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 PACKAGE DIMENSION SOP20 - - - Advanced Analog Technology, Inc. - Page 10 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 PACKAGE DIMENSION (CONT.) SOP20 SYMBOL A A1 A2 b C D E E1 e L y DIMENSIONS IN MILLIMETERS MIN TYP MAX 2.36 2.49 2.64 0.10 --0.30 --2.31 --0.33 0.41 0.51 0.18 0.23 0.28 12.60 12.80 12.90 10.01 10.31 10.64 7.39 7.49 7.59 --1.27 --0.38 0.81 1.27 ----0.076 o --0 8o DIMENSIONS IN INCHES MIN TYP MAX 0.093 0.098 0.104 0.004 --0.012 --0.091 --0.013 0.016 0.020 0.007 0.009 0.011 0.496 0.504 0.508 0.394 0.406 0.419 0.291 0.295 0.299 --0.050 --0.015 0.032 0.050 ----0.003 o --0 8o Note: 1. CONTROLLING DIMENSION: INCH 2. LEAD FRAME MATERIAL: COPPER 194 3. DIMENSION "D" DOES NOT INCLUDE MOLD FLASH, TIE BAR BURRS AND GATE BURRS. MOLD FALSH, 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 EXCEED0.010" [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 MS-013 - - - Advanced Analog Technology, Inc. - Page 11 of 12 V 0.1 Advanced Analog Technology, Inc. AAT7204 ORDERING INFORMATION - - - Advanced Analog Technology, Inc. - Page 12 of 12 V 0.1