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| Advanced Analog Technology, Inc. AAT7205 Details are subject to change without notice. 8+1-CHANNEL BUFFER FOR TFT LCD FEATURES 8 Channels with Output Current: 30mA (MAX) 1 Vcom with Output Current: 100mA (MAX) Unity Gain Buffer Capable of Driving Large Capacitive Loads Input Range Matched to LCD Reference Requirements Specified for - 20 oC to +85 oC...6.5V to 16V SSOP-24 Package GENERAL DESCRIPTION The AAT7205 is specially designed for thin film transistor liquid crystal display (TFT LCD). It is a buffer with 8+1 channels which delivers output current up to 30mA. This device is equipped with a Vcom buffer circuit, two rail-to-rail buffer amplifier circuits, and 6 buffer amplifiers circuits. Each buffer is capable of driving heavy capacitive loads and offers fast load current ( Vcom : 100mA, the others: 30mA). PIN CONFIGURATION TOP VIEW - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 1 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 PIN DESCRIPTION PIN NO. 1 NAME I/O DESCRIPTION VDD out1 out2 out3 out4 VDD out5 out6 out7 out8 O com GND GND I com in8 in7 in6 in5 GND in4 in3 in2 in1 VDD I O O O O I O O O O O I I I I I 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 Power Supply Buffer Channel 5 Output Buffer Channel 6 Output Buffer Channel 7 Output Buffer Channel 8 Output Com Buffer Output Ground Ground Com Buffer Input Buffer Channel 8 Input Buffer Channel 7 Input Buffer Channel 6 Input Buffer Channel 5 Input Ground Buffer Channel 4 Input Buffer Channel 3 Input Buffer Channel 2 Input Buffer Channel 1 Input Power Supply 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 2 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 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 C o o 100 +125 - 20 to +85 - 45 to +125 C C 260 Note1: Values beyond absolute maximum ratings may cause permanent damage to the device. - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 3 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 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 is Moved from 6.5V to 15.5V 80 7.4 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 - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 4 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 ELECTRICAL CHARACTTERISTICS (VDD=10V, TC=25oC UNLESS OTHERWISE SPECIFIED) (CONT.) OUTPUT CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Output Swing Low VOL I L =5mA(Buffer 1,8) VI =0V I L =10mA (Buffer 2,3,4,5,6,7) VI =1V I L = - 5 mA (Buffer 1,8) VI =10V I L = - 10 mA (Buffer 2,3,4,5,6,7) VI =9V I L =10mA I L = - 10 mA VI =5V VI =5V 4.96 4.95 0.08 0.15 V 1.02 1.05 V 9.85 9.92 V Output Swing High VOH 8.95 8.98 5.02 4.98 5.03 4.97 70 180 5.05 5.04 V V V V V mA mA Output Swing (Buffer 2,3,4,5,6,7) Output Swing (COM) Short Circuit Current VOL VOH VOL VOH ISC I L =50mA VI =5V IL= - 50 mA VI =5V (Buffer 2~7 ) (Com Buffer, Buffer1,8) AC Characteristics Parameter Test Conditions Min Typ Max Units Slew Rate [Note 2] SR ts VI =2V to 8V, 20% to 80% VI =4.5V to 5.5V VI =5.5V to 4.5V 0.1% 0.1% 1 V/ s s Settling Time 5 Note 2: Slew rate is measured on rising and falling edges. - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 5 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 BLOCK DIAGRAM - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 6 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 APPLICATION CIRCUIT 10 1F 10 1F 10 1F 10 1F 10 1F 10 10 1F 1F 10 1F 10 1F - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 7 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 PACKAGE DIMENSION SSOP-24 PACKAGE - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 8 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 PACKAGE DIMENSION (CONT.) SSOP-24 PACKAGE SYMBOL A A1 A2 D E E1 b C e DIMENSION IN INCHES MIN TYP MAX 0.053 0.064 0.069 0.004 0.336 0.228 0.150 0.008 0.007 0.015 0.006 0.340 0.236 0.154 0.025 BASIC 0.025 0.041 BASIC 0.050 0.010 0.060 0.344 0.244 0.157 0.012 0.010 L L1 Note: 1. JEDEC OUTLINE: MO-137 AE 2. DIMENSION D DOES NOT INCLUDE MOLD PROTRUSIONS OR GATE BURRS. MOLD PROTRUSIONS AND GATE BURRS SHALL NOT EXCEED 0.006" PER SIDE. DIMENSION E1 DOES NOT INCLUDE INTERLEAD MOLD PROTRUSIONS. INTERLEAD MOLD PROTRUSIONS SHALL NOT EXCEED 0.010 o PER SIDE. 3. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION/INTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.004" TOTAL IN EXCESS OF b DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR INTRUSION SHALL NOT REDUCE DIMENSION b BY MORE THAN 0.002 o AT LEAST. o 0o - 8o - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 9 of 10 V 1.0 Advanced Analog Technology, Inc. AAT7205 ORDERING INFORMATION - - xAEWAniN/|-1/2q - Advanced Analog Technology, Inc. - Page 10 of 10 V 1.0 |
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