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| Advanced Analog Technology, Inc. AAT7202 Preliminary AAT7202 12+1-Channel Buffer for TFT LCD Features 12 Channels with Output Current: +30mA (MAX) General Description The AAT7200 consists of 12+1 channel buffers target toward the needs of thin film transistor liquid crystal display (TFT LCD). This device consist of a Vcom buffer circuits, four rail to rail buffer amplifiers circuits and 8 buffer amplifiers circuits. Each buffer is capable of driving heavy capacitive loads and offers fast load current (Vcom : 100mA, the others : 30mA). . 1 Vcom with +100mA(MAX) Output Current: Unity Gain Buffer Capable of Driving Large Capacitive Loads Input range Matched to LCD Reference Requirements Specified for -20oC to +85 oC...6.5V to 16V TQFP-48 Pins Pin Configuration TOP VIEW - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Pin Description Pin # 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 o11 o10 o9 o8 o7 N.C. VSS VDD N.C. o6 o5 o4 o3 N.C. VDD N.C. N.C. o2 VSS o1 VSS VDD i1 i2 i3 i4 i5 i6 N.C. VDD I/O O O O O O I I O O O O I Description Buffer Channel 11 Output Buffer Channel 10 Output Buffer Channel 9 Output Buffer Channel 8 Output Buffer Channel 7 Output Ground Power Buffer Channel Buffer Channel Buffer Channel Buffer Channel Power 6 Output 5 Output 4 Output 3 Output O I O I I I I I I I I I Buffer Channel Ground Buffer Channel Ground Power Buffer Channel Buffer Channel Buffer Channel Buffer Channel Buffer Channel Buffer Channel Power 2 Output 1 Output 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input *To be continued - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Pin # 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Name VSS N.C. i7 i8 i9 i10 i11 i12 Icom N.C. N.C. N.C. VDD VSS VDD VSS Ocom o12 I/O I I I I I I I I Description Ground Buffer Channel 7 Input Buffer Channel 8 Input Buffer Channel 9 Input Buffer Channel 10 Input Buffer Channel 11 Input Buffer Channel 12 Input Com Buffer Input I I I I O O Power Ground Power Ground Com Buffer Output Buffer Channel 12 Output - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Absolute Maximum Ratings CHARACTERISTICS Supply voltage Input Voltage Maximum Junction Temperature Operating Temperature Storage Temperature Lead Temperature(Soldering,10 second) SYMBOL VDD VI TJ Tope Tstg --- VALUE +18 -0.5 to VDD + 0.5 +125 -40 to +85 -65 to 150 260 UNIT V V o C o C o C o C Note1: Value beyond absolute maximum ratings may cause permanent damage to the device. - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Electrical Characteristics (VDD=10V, TA=25oC unless otherwise specified.) Power Supply Performance Parameter Power Supply Ratio[2] Supply Current Rejection PSRR IS Test Conditions VDD is moved from 6.5V to 15.5V Min Typ 80 9 Max Units dB mA Input Characteristics Parameter Input Offset Voltage Input Bias Current VOS IB Test Conditions Vin=VDD/2 , Vout =VDD/2 Vin=VDD/2 , Vout =VDD/2 Min Typ 2 2 Max 12 50 Units mV nA Output Characteristics Parameter Test Conditions IL=5mA(Buffer 1,2,11,12) Vin=0v IL=10mA (Buffer 3,4,...,9,10) Vin=1v IL=-5mA (Buffer 1,2,11,12) Vin=10v IL=-10mA (Buffer 3,4,...,9,10) Vin=9v IL=10mA Vin=5v IL=-10mA IL=-50mA (Com Buffer) Vin=5v Vin=5v 4.96 4.95 IL=50mA Vin=5v (Buffer 1~12 ) 9.85 8.95 Min Typ 0.08 1.02 9.92 8.98 5.02 4.98 5.03 4.97 +70 +180 Max 0.15 1.05 Units V V V V Output Swing Low VOL Output Swing High VOH Output Swing (buffer 3,4,...,9,10) Output Swing (COM) Short Circuit Current VOL VOH VOL VOH ISC 5.04 5.05 V V V V mA mA - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 AC Characteristics Parameter Slew Rate[2] Settling Time SR ts Test Conditions Vin=2V to 8V, 20% to 80% Vin=4.5v to 5.5v 0.1% Vin=5.5v to 4.5v 0.1% Min Typ 1 5 Max Units V/g s g s Note2: Slew rage is measured on rising and falling edges. Function Block Diagram - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Application Circuit Inc Icomp Ocomp 10 10F Outc In1 I1 O1 10 1F Out1 In2 I2 O2 10 1F Out2 In3 I3 O3 10 1F Out3 In11 I11 O11 10 1F Out11 In12 I12 O12 10 1F Out12 - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 Package Dimension (Dimensions shown in millimeters) - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 Advanced Analog Technology, Inc. AAT7202 SYMBOL A A1 A2 b C E E1 D D1 e L L1 c y DIMENSIONS IN MILLIMETERS MIN. NOM. MAX. ----1.20 0.05 --0.15 0.95 1.00 1.05 0.17 0.22 0.27 0.09 --0.20 --9.00 ----7.00 ----9.00 ----7.00 ----0.50 --0.45 0.60 0.75 --1.00 --o o 0 3.5 7o 0.0 --0.08 - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. V 0.1 |
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