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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 VDD Specified for 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). . 6.5V to 17V TQFP-48 Package Pin Configuration TOP VIEW TQFP-48 - - - Advanced Analog Technology, Inc. - Page 1 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Pin Description Pin No. 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 Name 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 I/O 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 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 - - - 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* 40* 41 42 43 44 45 46 47 48 Name GND I8 I9 I10 I11 I12 I13 I14 I com NC I com - NC NC VDD GND VDD GND O com O14 I/O I I I I I I I I I I I I I O O 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) Com Buffer Negative Input (For AAT7200A Only) Power Supply Ground Power Supply Ground Com Buffer Output Buffer Channel 14 Output - - - Advanced Analog Technology, Inc. - Page 3 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Absolute Maximum Ratings CHARACTERISTICS Supply Voltage Input Voltage SYMBOL VDD VI VALUE +18 UNIT V -0.5 to VDD + 0.5 V Output Voltage VO IL -0.5 to VDD + 0.5 30 100 V mA mA o Output Loading Current for Gamma , Rail-to-Rail Buffer Output Loading Current for Com Buffer Maximum Junction Temperature Power Dissipation, @ TC =25 o C Power Dissipation, @ TC =70 o C Package Thermal Resistance Package Thermal Resistance Operating Temperature Storage Temperature Lead Temperature (Soldering for10 seconds) TJ PD PD JA JC TC Tstorage --- +150 2.72 1.74 46 31 - 20 to +85 o C W W C /W C /W o o o o C C C - 45 to +125 260 Note 1: Operating device at values beyond absolute maximum ratings may cause permanent damage. - - - 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 Supply Current IS - 80 9 - dB mA Input Characteristics Parameter Test Conditions Min Typ Max Units VI = VDD /2 , VO = VDD /2 VI = VDD /2 , VO = VDD /2 Input Offset Voltage VOS IB - 2 12 mV Input Bias Current - 2 50 nA AC Characteristics Parameter Test Conditions Min Typ Max Units V s VI =2V to 8V, 20% to 80% VI =4.5V to 5.5V 0.1% VI =5.5V to 4.5V 0.1% Slew Rate Settling Time SR ts - 1 5 - s - - - 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 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 VI =5V VI =5V VI =5V Min Typ Max Un 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 V 1.05 V 5.04 5.05 V Output Swing Low VOL Output Swing High VOH Output Swing (Buffer 3, 4,..., 11, 12) VOL VOH VOL VOH I SC Output Swing (COM) V mA mA (Buffer 1~14 ) Short Circuit Current (Com Buffer), Icom- short to O com for AAT7200A - - - Advanced Analog Technology, Inc. - Page 6 of 11 V 3.0 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 O13 1 14 2 13 35 36 I12 O12 I11 O11 3 12 11 34 I10 O10 4 10 33 I9 O9 5 9 32 I8 O8 6 8 31 GND 7 GND 30 7 V DD V DD 8 29 I7 O7 9 5 4 6 28 I6 O6 10 27 I5 O5 11 3 26 I4 O4 12 2 1 25 I3 13 O3 NC 14 15 V DD NC 16 NC 17 18 O2 19 GND 20 O1 21 GND 22 V DD I1 23 24 I2 - - - Advanced Analog Technology, Inc. - Page 7 of 11 V 3.0 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 O13 1 14 2 13 35 36 I12 O12 I11 O11 3 12 11 34 I10 O10 4 10 33 I9 O9 5 9 32 I8 O8 6 8 31 GND 7 GND 30 7 V DD V DD 8 29 I7 O7 9 5 4 6 28 I6 O6 10 27 I5 O5 11 3 26 I4 O4 12 2 1 25 I3 13 O3 NC 14 15 V DD NC 16 NC 17 18 O2 19 GND 20 O1 21 GND 22 V DD I1 23 24 I2 - - - Advanced Analog Technology, Inc. - Page 8 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Application Circuit AAT7200 In1 I1 Out1 O1 In2 I2 Out2 O2 Out13 In13 I13 O13 Out14 In14 I14 O14 OutC InC Icom Ocom - - - Advanced Analog Technology, Inc. - Page 9 of 11 V 3.0 Advanced Analog Technology, Inc. AAT7200/A Application Circuit AAT7200A In1 I1 Out1 O1 Out2 In2 I2 O2 In13 I13 Out13 O13 Out14 In14 I14 O14 InC Icom OutC IcomOcom - - - 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 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 - - - Advanced Analog Technology, Inc. - Page 11 of 11 V 3.0 |
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