advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 1 of 9 v 0.1 aat 7203 details are subject to change without notice 4+1-channel buffer for tft lcd features z 4+1-channel: 4 channels with an output current of ma 30 (max); 1 com v with an output current of ma 100 (max) z unity gain buffer capable of driving large capacitive loads z input range matched to lcd reference requirements z dd v specified for 6.5v to 16v z tssop14 package general description the AAT7203 is a 4+1-channel buffer designed for thin film transistor liquid crystal display (tft lcd). this device consists of a com v buffer circuit, two rail-to-rail buffer amplifier circuits, and 2 buffer amplifier circuits. each buffer is capable of driving heavy capacitive loads and providing fast load current ( com v : 100ma, and the others: 30ma). AAT7203 comes in a compact tssop14 package, which makes it an ideal component for space-sensitive designs of lcd monitors and lcd tvs. pin configuration top view tssop14
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 2 of 9 v 0.1 a at 7203 pin description pin no. name i/o description 1 dd v i power supply 2 o1 o buffer channel 1 out p ut 3 o2 o buffer channel 2 out p ut 4 o3 o buffer channel 3 out p ut 5 o4 o buffer channel 4 out p ut 6 com o o com buffer out p ut 7 gnd i ground 8 gnd i ground 9 com i i com buffer in p ut 10 i4 i buffer channel 4 in p ut 11 i3 i buffer channel 3 in p ut 12 i2 i buffer channel 2 in p ut 13 i1 i buffer channel 1 in p ut 14 dd v i power supply absolute maximum ratings characteristics symbol value unit supply voltage dd v +18 v input voltage i v 5 . 0 ? to 5 . 0 v dd + v output voltage o v 5 . 0 ? to 5 . 0 v dd + v output loading current for gamma, rail-to-rail buffer 30 ? ?
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 3 of 9 v 0.1 a at 7203 electrical charactteristics (v dd =10v, t c =25 o c unless otherwise specified) power supply performance parameter test conditions mn typ max units power supply rejection ratio psrr dd v varies from 6.5v to 16.0v - 80 - db supply current s i - 6.3 - ma input characteristics parameter test conditions min typ max units input offset voltage os v i v = dd v/2, o v = dd v/2 - 2 12 mv input bias current b i i v = dd v /2, o v = dd v/2 - 2 50 na note 2: slew rate is measured on rising and falling edges.
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 4 of 9 v 0.1 a at 7203 electrical charactteristics (v dd =10v, t c =25 o c unless otherwise specified) output characteristics parameter test conditions min typ max units l i =5ma (buffer 1, 4) i v =0v - 0.08 0.15 v output swing low ol v l i =10ma (buffer 2, 3) i v =1v - 1.02 1.05 v l i= 5 ? ? ? ? ma, i v =5v 4.95 4.97 - v (buffer 2,3 ) - 70 ac characteristics parameter test conditions min t y p max units slew rate (note 2) sr i v =2v to 8v, 20% to 80% - 1 - v/ s
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 5 of 9 v 0.1 a at 7203 block diagram
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 6 of 9 v 0.1 a at 7203 application circuit ? 10 ? ? ? ? f 1 f 1 f 1 f 1
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 7 of 9 v 0.1 a at 7203 package dimension tssop14
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 8 of 9 v 0.1 a at 7203 package dimension (cont.) tssop14 dimensions in millimeters dimensions in inches symbol min typ max min typ max a --- --- 1.20 --- --- 0.047 a1 0.05 --- 0.15 0.002 --- 0.006 a2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 --- 0.30 0.007 --- 0.012 c 0.09 --- 0.20 0.0035 --- 0.0080 d 4.90 5.00 5.10 0.193 0.197 0.201 e --- 6.40 --- 0.193 0.252 0.201 e1 4.30 4.40 4.50 0.170 0.173 0.177 e --- 0.65 --- --- 0.026 --- l 0.45 0.60 0.75 0.0177 0.0240 0.0295 y --- --- 0.076 --- --- 0.003 o 0 --- o 8 o 0 --- o 8 note: 1. controlling dimension: millimeters 2. lead frame material: olin c7025/eftec 64t 3. dimension ?d? does not include mold flash, tie bar burrs and gate burrs. mold flash, tie bar burrs and gate burrs shall not exceed 0.006? [0.15 millimeters] per end. dimension ?e1? does not include interlead flash. interlead flash shall not exceed 0.010? [0.25 millimeters] per side. 4. dimension ?b? does not include dambar protrusion. allowable dambar protrusion shall be 0.003? [0.08 millimeters] total in excess of the ?b? dimension at maximum material condition. dambar cannot be located on the lower radius or the foot. minimum space between protrusion and an adjacent lead to be 0.0028? [0.07 millimeters] 5. tolerance: 0.010? [0.25 millimeters] unless otherwise specified. 6. otherwise dimension follow acceptable spec. 7. reference document: jedec spec mo-153
advanced analog technology, inc. ? x?w?t??ta?|3--?q ? ? advanced analog technology, inc . ? page 9 of 9 v 0.1 a at 7203 ordering information
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