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AAT7201 Dataheets PDF



Part Number AAT7201
Manufacturers AAT
Logo AAT
Description 10+1-Channel Buffer
Datasheet AAT7201 DatasheetAAT7201 Datasheet (PDF)

Advanced Analog Technology, Inc. AAT7201 Details are subject to change without notice 10+1-Channel Buffer for TFT LCD Features z z z z z z 10 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 General Description The AAT7201 is a 10+1-channel buffer designed to increase the driving capability for thin film transistor liquid crystal display (TFT LCD). Thi.

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Advanced Analog Technology, Inc. AAT7201 Details are subject to change without notice 10+1-Channel Buffer for TFT LCD Features z z z z z z 10 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 General Description The AAT7201 is a 10+1-channel buffer designed to increase the driving capability for thin film transistor liquid crystal display (TFT LCD). This device includes a Vcom buffer circuit, four rail-to-rail buffer amplifier circuits and six buffer amplifier circuits. Each buffer is capable of driving heavy capacitive loads and offering fast current loading ( Vcom : 100mA, the others: 30mA). AAT7201 comes in a space-saving TQFP48 package, which makes it an ideal component in LCD TV and monitors. VDD Specified for 6.5V to 16.0V TQFP48 Package www.DataSheet4U.com Pin Configuration TOP VIEW TQFP48 ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 1 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Pin Description Pin No. Name I/O Description 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 o9 o8 o7 o6 NC NC GND VDD NC NC o5 o4 o3 NC VDD NC NC o2 GND o1 GND VDD i1 i2 i3 i4 i5 NC NC VDD O O O O I I O O O I O I O I I I I I I I I Buffer Channel 9 Output Buffer Channel 8 Output Buffer Channel 7 Output Buffer Channel 6 Output Ground Power Supply 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 Power Supply ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 2 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Pin Description (Cont.) Pin No. 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Name GND NC NC i6 i7 i8 i9 i10 I com I/O I I I I I I I I I I I O O Description Ground Buffer Channel 6 Input Buffer Channel 7 Input Buffer Channel 8 Input Buffer Channel 9 Input Buffer Channel 10 Input Com Buffer Input Power Supply Ground Power Supply Ground Com Buffer Output Buffer Channel 10 Output NC NC NC VDD GND VDD GND O com o10 ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 3 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Absolute Maximum Ratings CHARACTERISTICS Supply Voltage SYMBOL VDD VALUE +18 −0.5 to VDD + 0.5 −0.5 to VDD + 0.5 ± 30 ± 100 +125 − 20 to +85 − 45 to +125 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 for10 seconds) VI VO IL TJ TC Tstorage - V V mA mA o C o o o C C C 260 Note 1: Value beyond absolute maximum ratings may cause permanent damage to the device. ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 4 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Electrical Characteristics (VDD=10V, TC=25oC unless otherwise specified.) Power Supply Performance Parameter Test Conditions Min Typ Max Units VDD varies from 6.5V to Power Supply Rejection PSRR Ratio 16.0V IS Supply Current Input Characteristics Parameter Test Conditions - 80 9 - dB mA Min Typ Max Units Input Offset Voltage Input Bias Current VOS IB VI = VDD /2, VO = VDD /2 VI = VDD /2 , VO = VDD /2 - 2 2 12 50 mV nA Output Characteristics Parameter Test Conditions Min Typ Max Unit Output Swing Low VOL I L =5mA (Buffer 1, 2, 9, 10) VI =0V I L =10mA(Buffer 3, 4,…, 7, 8) VI =1V I L = − 5 mA (Buffer 1, 2, 9, 10) VI =10V I L = − 10 mA (Buffer 3, 4,…, 7, 8) VI =9V I L =10mA I L = − 10 mA I L =50mA I L = − 50 mA (Buffer 1~10 ) (Com Buffer) VI =5V VI =5V VI =5V VI =5V 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 1.05 5.04 5.05 - V V V V V V V V mA mA Output Swing High VOH Output Swing (Buffer 3, 4,…, 7, 8) Output Swing (COM) VOL VOH VOL VOH I SC Short Circuit Current ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 5 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Electrical Characteristics (VDD=10V, TC=25oC unless otherwise specified.) (Cont.) AC Characteristics Parameter Test Conditions Min Typ Max Units Slew Rate (Note 2) Settling Time 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 5 - V µs µs Note 2: Slew rate is measured on rising and falling edges. ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 6 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Block Diagram ¥ ÆWÃþ¤ñ¬ì§ÞªÑ¥÷¦³-½q – – x – Advanced Analog Technology, Inc. – Page 7 of 14 V 0.1 Advanced Analog Technology, Inc. AAT7201 Application Circuit Inc Icomp Ocomp 10Ω 10µF Outc In1 I1 O1 10Ω 1µF Out1 In2 I2 O2 10Ω 1µF Out2 In3 I3 O3.


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