Advanced Analog Technology, Inc. AAT7200/A Details are subject to change without notice 14+1-Channel Buffer for TFT LCD Features General Description z 14-Channels with Output Current: +30mA (MAX) z One channel Vcom with Output Current: +100mA (MAX) z Unity Gain Buffer Capable of Driving Large Capacitive Loads 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, z Input Range Adjusted to Match TFT LCD Requirements z VDD Specified for z TQFP-48 Package 6.5V to 17V 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). . Pin Configuration TOP VIEW TQFP-48 – – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 1 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Pin Description Pin No. Name I/O 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 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 O7 O6 O5 O4 O3 NC VDD NC NC O2 GND O1 GND VDD I1 I2 I3 I4 I5 I6 I7 VDD – Description 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 – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 2 of 11 V 3.0 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 NC I/O I I I I I I I I I - 40* I com − - Com Buffer Negative Input (For AAT7200A Only) 41 42 43 44 45 46 47 48 NC NC VDD I I I I O O Power Supply Ground Power Supply Ground Com Buffer Output Buffer Channel 14 Output GND VDD GND O com O14 – 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) – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 3 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Absolute Maximum Ratings CHARACTERISTICS Supply Voltage SYMBOL VDD Input Voltage VI Output Voltage VO Output Loading Current for Gamma , Rail-to-Rail Buffer Output Loading Current for Com Buffer IL VALUE +18 UNIT V −0.5 to VDD + 0.5 V −0.5 to VDD + 0.5 V ± 30 mA ± 100 mA Maximum Junction Temperature TJ +150 o Power Dissipation, @ TC =25 o C PD 2.72 W Power Dissipation, @ TC =70 o C PD 1.74 W Package Thermal Resistance θ JA 46 o C /W Package Thermal Resistance θ JC 31 o C /W Operating Temperature TC − 20 to +85 o C Tstorage − 45 to +125 o C --- 260 o C Storage Temperature Lead Temperature (Soldering for10 seconds) C Note 1: Operating device at values beyond absolute maximum ratings may cause permanent damage. – – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 4 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Electrical Characteristics ( VDD =10V, TC =25oC unless otherwise specified) Power Supply Performance Parameter Test Conditions Min Typ Max Units Power Supply Rejection PSRR VDD from 6.5V to 17.0V Ratio - 80 - dB IS - 9 - mA Min Typ Max Units Supply Current Input Characteristics Parameter Test Conditions Input Offset Voltage VOS VI = VDD /2 , VO = VDD /2 - 2 12 mV Input Bias Current IB VI = VDD /2 , VO = VDD /2 - 2 50 nA Min Typ Max Units AC Characteristics Parameter Test Conditions Slew Rate Settling Time – SR VI =2V to 8V, 20% to 80% - 1 - V μs ts VI =4.5V to 5.5V 0.1% VI =5.5V to 4.5V 0.1% - 5 - μs – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 5 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Electrical Characteristics ( VDD =10V, TC =25oC unless otherwise specified) (Cont.) Output Characteristics Parameter Test Conditions VOL Output Swing Low VOH Output Swing High Output Swing (Buffer 3, 4,…, 11, 12) Output Swing (COM) Short Circuit Current – 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 Typ Max - 0.08 0.15 Un V - 1.02 1.05 9.85 9.92 V 8.95 8.98 - - 5.02 5.04 4.96 4.98 - - 5.03 5.05 4.95 4.97 - (Buffer 1~14 ) - ± 70 - mA (Com Buffer), Icom- short to O com for AAT7200A - ± 180 - mA VOL I L =10mA, VI =5V VOH I L = − 10 mA VOL I L =50mA VOH I L = − 50 mA I SC Min VI =5V VI =5V VI =5V – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 6 of 11 V 3.0 V V Advanced Analog Technology, Inc. AAT7200/A Block Diagram AAT7200 O14 Ocom 48 GND 47 V DD GND 45 46 V DD 44 43 NC NC 42 Icom NC 41 40 I14 39 I13 38 37 COM O13 O12 O11 O10 1 36 13 14 2 35 3 11 12 34 4 33 I12 I11 I10 I9 10 O9 O8 5 32 9 6 31 8 7 30 GND I8 GND V DD 7 V DD O7 O6 O5 8 29 9 28 6 5 10 27 4 11 26 I7 I6 I5 I4 3 O4 2 12 13 O3 – 14 NC 15 V DD 16 NC 17 NC 18 O2 19 GND 25 1 20 O1 21 GND 22 V DD 23 I1 24 I2 – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 7 of 11 V 3.0 I3 Advanced Analog Technology, Inc. AAT7200/A Block Diagram AAT7200A O14 Ocom 48 GND 47 V DD GND 45 46 V DD 44 43 NC NC 42 Icom41 Icom 40 I14 39 I13 38 37 COM O13 O12 O11 O10 1 36 14 13 2 35 3 11 12 34 4 33 I12 I11 I10 I9 10 O9 O8 5 32 9 6 31 8 7 30 GND I8 GND V DD 7 V DD O7 O6 O5 29 8 9 28 6 5 10 27 4 26 11 I7 I6 I5 I4 3 O4 12 2 13 O3 14 NC – 15 V DD 16 NC 17 NC 18 O2 19 GND 25 1 20 O1 21 GND 22 V DD 23 I1 24 I2 – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 8 of 11 V 3.0 I3 Advanced Analog Technology, Inc. AAT7200/A Application Circuit AAT7200 Out1 In1 I1 O1 In2 I2 O2 In13 I13 O13 In14 I14 O14 InC Icom Out2 Out13 Out14 OutC – Ocom – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 9 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Application Circuit AAT7200A Out1 In1 I1 O1 In2 I2 O2 In13 I13 O13 In14 I14 O14 InC Icom Out2 Out13 Out14 OutC Icom- – Ocom – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 10 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Package Dimension TQFP48 Symbol A A1 A2 b C D D1 E E1 e L L1 θ y Dimensions In Millimeters Min TYP Max --------1.20 0.05 ----0.15 0.95 1.00 1.05 0.17 0.22 0.27 0.12 ----0.20 8.70 9.00 9.30 6.80 7.00 7.20 8.70 9.00 9.30 6.80 7.00 7.20 ----0.50 ----0.45 0.60 0.75 ----1.00 ----0° 3.5° 7° 0.00 ----0.080 – – 台灣類比科技股份有限公司 – Advanced Analog Technology, Inc. – Page 11 of 11 V 3.0