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july 2008 rev 2 1/15 15 TSL1018 18 + 1 channel buffer for tft-lcd panels features wide supply voltage: 5.5v to 16.8v low operating current: 8ma typical at 25c bandwidth at -3db: 3.5mhz high output current com amplifier: 150ma industrial temperature range: -40c to +95c small package: tqfp48 epad application tft liquid crystal display (lcd) description the TSL1018 is composed of 18 + 1 channel buffers which are used to buffer the reference voltage for gamma correction in thin film transistor (tft) liquid crystal displays (lcd). one "com" amplifier is able to deliver high output current value, up to 150ma. amplifiers a and b feature positive single supply inputs for common mode voltage, thus can be used for highest gamma voltages. the amplifiers c to r inclusive, and the com amplifier, feature negative single supply inputs and are dedicated to the lowest gamma voltages. the TSL1018 is fully characterized and guaranteed over a wide industrial temperature range (-40 to +95c). 7 x 7mm tqfp48 epad pin connections (top view) vss vdd 1 2 3 4 5 6 7 8 9 10 11 32 31 30 29 28 27 26 13 14 15 16 17 18 19 20 21 22 47 25 33 12 23 24 35 34 36 48 44 43 42 41 40 39 38 37 46 45 vss vss vdd vss vdd vss vdd comi como r p q o n m l k j i h g f e d c b a vdd vss vdd 1 2 3 4 5 6 7 8 9 10 11 32 31 30 29 28 27 26 13 14 15 16 17 18 19 20 21 22 47 25 33 12 23 24 35 34 36 48 44 43 42 41 40 39 38 37 46 45 vss vss vdd vss vdd vss vdd comi como r p q o n m l k j i h g f e d c b a vdd www.st.com
absolute maximum ratings and operating conditions TSL1018 2/15 1 absolute maximum ratings and operating conditions table 1. absolute maximum ratings symbol parameter value unit v dd supply voltage 18 v v in input voltage v ss -0.5v to v dd +0.5v v i out output current (a to r buffers) output current (com buffer) 40 150 ma r thja thermal resistance junction to ambient for tqfp48 epad not thermally connected to pcb epad thermally connected to pcb 85 36 c/w p d power dissipation (1) for tqfp48 epad epad not thermally connected to pcb epad thermally connected to pcb 1. p d is calculated with t amb = 25c, t j = 150c and r thja . 1470 3470 mw t lead lead temperature (soldering 10 seconds) 260 c t stg storage temperature -65 to +150 c t j junction temperature 150 c esd human body model (hbm) (2) 2. human body model: a 100pf capacitor is charged to the specified voltage, then discharged through a 1.5k resistor between two pins of the device. this is done for all couples of connected pin combinations while the other pins are floating. 2000 v machine model (mm) (3) 3. machine model: a 200pf capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (int ernal resistor < 5 ). this is done for all couples of connected pin combinations whil e the other pins are floating. 200 charged device model (cdm) (4) 4. charged device model: all pins and package are ch arged together to the specified voltage and then discharged directly to t he ground through only one pin. 1500 table 2. operating conditions symbol parameter value unit v cc supply voltage (v dd - v ss ) 5.5 to 16.8 v t amb ambient temperature -40 to +95 c v in input voltages for buffers a & b v ss + 1.5v to v dd v input voltages for buffers c to r & com v ss to v dd - 1.5v
TSL1018 typical application schematics 3/15 2 typical application schematics figure 1. typical application schematic for the TSL1018 note that: amplifiers a & b have their input voltages in the range v ss +1.5v to v dd . this is why they must be used for high level gamma correction voltages. amplifiers c to r have their input voltages in the rangev ss to v dd -1.5v. this is why they must be used for medium-to-low level gamma correction voltages. amplifier com has its input voltage range from v ss tov dd -1.5v. r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r1 gnd gnd com ref. voltage vcc + cs 10uf gnd gamma 5 gamma 6 gamma 7 gamma 8 gamma 9 gamma 10 gamma 11 gamma 12 gamma 13 gamma 14 gamma 15 gamma 16 gamma 17 vcom to colunm driver r15 r16 r17 r18 gamma 0 gamma 1 gamma 2 gamma 3 gamma 4 r19 com a b c d e f g h i j o p q r 47 48 1 6 9 10 7 8 11 12 13 14 15 16 17 18 19 30 29 20 21 22 23 24 25 26 41 42 27 28 31 36 37 38 39 40 43 44 45 46 vss vdd k l m n 3 4 5 32 33 34 35 2 TSL1018
electrical characteristics TSL1018 4/15 3 electrical characteristics note: limits are 100% production tested at 25c. behavior at the temperature range limits is guaranteed through correlation and by design. table 3. electrical characteristics for t amb = 25c , v dd =+5v, v ss =-5v, r l =10k , c l = 10pf (unless otherwise specified) symbol parameter test conditions min. typ. max. unit v io input offset voltage v icm = 0v 12 mv v io input offset voltage drift -40c < t amb < +85c 5 v/c i ib input bias current v icm = 0v, buffers a & b v icm = 0v, buffers c to r & com 140 70 na r in input impedance 1 g c in input capacitance 1.35 pf v ol output voltage low i out =-5ma buffers c to p buffers q, r & com -4.85 -4.92 -4.80 -4.85 v v oh output voltage high i out = 5ma for buffers a & b 4.82 4.87 v i out output current (a to r buffers) 40 ma com buffer 150 psrr power supply rejection ratio v cc = 6.5 to 15.5v 80 100 db i cc supply current no load 8 11 ma sr slew rate (rising & falling edge) -4v < v out < +4v 20% to 80% 1.1 v/ s t s settling time settling to 0.1%, v out =2v step 5 s bw bandwidth at -3db r l =10k , c l =10pf 3.5 mhz g m phase margin r l =10k , c l =10pf 60 degrees c s channel separation f=1mhz 75 db
TSL1018 electrical characteristics 5/15 figure 2. supply current vs. supply voltage for various temperatures figure 3. output offset voltage (eq. v io ) vs. temperature 4681012141618 6 8 10 12 t amb =+95c t amb =+25c t amb =-40c current consumption (ma) power supply voltage (v) -40-20 0 20406080 -1.0 -0.5 0.0 0.5 1.0 v cc =5.5v, 10v, 16.8v output offset voltage (mv) ambient temperature (c) figure 4. input current (i ib ) vs. temperature figure 5. input current (i ib ) vs. temperature -40-20 0 20406080 0 20 40 60 80 100 120 buffers a & b v cc =5.5v, 10v, 16.8v input bias current (na) ambient temperature (c) -40-20 0 20406080 0 20 40 60 80 100 120 buffers c to com v cc =5.5v, 10v, 16.8v input bias current (na) ambient temperature (c) figure 6. output current capability vs. temperature figure 7. output current capability vs. temperature -40-20 0 20406080 -200 -150 -100 -50 0 50 100 150 200 v cc =16.8v v cc =10v v cc =5.5v buffers a & b output current (ma) ambient temperature (c) -40-20 0 20406080 -80 -60 -40 -20 0 20 40 60 80 v cc =10v, 16.8v v cc =5.5v buffers c to r output current (ma) ambient temperature (c)
electrical characteristics TSL1018 6/15 figure 8. output current capability vs. temperature figure 9. high level voltage drop vs. temperature -40-20 0 20406080 -200 -100 0 100 200 v cc =10v, 16.8v v cc =5.5v buffer com output current (ma) ambient temperature (c) -40-20 0 20406080 0 50 100 150 200 v cc =16.8v v cc =10v v cc =5.5v buffers a & b iout=5ma high level voltage drop (mv) ambient temperature (c) figure 10. low level voltage drop vs. temperature figure 11. low level voltage drop vs. temperature -40 -20 0 20 40 60 80 100 0 40 80 120 160 200 v cc = 10v, 16.8v buffers q & r iout = 5ma v cc = 5.5v low level voltage drop (mv) temperature (c) -40 -20 0 20 40 60 80 100 0 20 40 60 80 100 120 v cc = 10v, 16.8v v cc = 5.5v buffer com iout = 5ma low level voltage drop (mv) temperature (c) figure 12. voltage output high (v oh ) vs. output current - buffers a & b figure 13. voltage output high (v oh ) vs. output current - buffers a & b 0 5 10 15 20 25 30 3.5 4.0 4.5 5.0 5.5 buffers a & b v cc = 5.5v t amb =+25c t amb =+95c t amb =-40c high level output voltage (v) output current (ma) 0 5 10 15 20 25 30 9.0 9.2 9.4 9.6 9.8 10.0 t amb =+95c t amb =+25c t amb =-40c buffers a & b v cc = 10v high level output voltage (v) output current (ma)
TSL1018 electrical characteristics 7/15 figure 14. voltage output high (v oh ) vs. output current - buffers a & b figure 15. voltage output low (v ol ) vs. output current - buffers c to p 0 5 10 15 20 25 30 16.0 16.2 16.4 16.6 16.8 t amb =-40c t amb =+25c t amb =+95c buffers a & b v cc = 16.8v high level output voltage (v) output current (ma) -30-25-20-15-10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 t amb =-40c t amb =+25c t amb =+95c buffers c to p v cc = 5.5v low level output voltage (v) output current (ma) figure 16. voltage output low (v ol ) vs. output current - buffers c to p figure 17. voltage output low (v ol ) vs. output current - buffers c to p -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 t amb =+95c t amb =+25c t amb =-40c buffers c to p v cc = 10v low level output voltage (v) output current (ma) -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 t amb =+95c t amb =+25c t amb =-40c buffers c to p v cc = 16.8v low level output voltage (v) output current (ma) figure 18. voltage output low (v ol ) vs. output current - buffer q, r & com figure 19. voltage output low (v ol ) vs. output current - buffer q, r & com -50 -40 -30 -20 -10 0 0.0 0.4 0.8 1.2 1.6 t amb =+25c t amb =-40c t amb =+95c buffers q, r & com v cc = 5.5v low level output voltage (v) output current (ma) -100 -80 -60 -40 -20 0 0.0 0.5 1.0 1.5 2.0 t amb =-40c t amb =+95c t amb =+25c buffers q, r & com v cc = 10v low level output voltage (v) output current (ma)
electrical characteristics TSL1018 8/15 figure 20. voltage output low (v ol ) vs. output current - buffer q, r & com figure 21. positive slew rate vs. temperature -100 -80 -60 -40 -20 0 0.0 0.5 1.0 1.5 2.0 t amb =-40c t amb =+25c t amb =+95c buffers q, r & com v cc = 16.8v low level output voltage (v) output current (ma) -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 v cc =16.8v v cc =10v v cc =5.5v buffers a & b positive slew rate (v/s) ambient temperature (c) figure 22. positive slew rate vs. temperature figure 23. positive slew rate vs. temperature -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 buffers c to r v cc =16.8v v cc =10v v cc =5.5v positive slew rate (v/s) ambient temperature (c) -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 v cc =5.5v v cc =10v v cc =16.8v buffer com positive slew rate (v/s) ambient temperature (c) figure 24. negative slew rate vs. temperature figure 25. negative slew rate vs. temperature -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 v cc =16.8v v cc =10v v cc =5.5v buffers a & b negative slew rate (v/s) ambient temperature (c) -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 v cc =10v v cc =16.8v v cc =5.5v buffers c to r negative slew rate (v/s) ambient temperature (c)
TSL1018 electrical characteristics 9/15 figure 26. negative slew rate vs. temperature figure 27. large signal response - buffers a & b -40-20 0 20406080 0.0 0.5 1.0 1.5 2.0 v cc =16.8v v cc =10v v cc =5.5v buffer com negative slew rate (v/s) ambient temperature (c) -10123456 -4 -3 -2 -1 0 1 2 3 4 buffers a & b v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s) figure 28. large signal response - buffers a & b figure 29. large signal response - buffers c to r -10123456 -4 -3 -2 -1 0 1 2 3 4 buffers a & b v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s) -10123456 -4 -3 -2 -1 0 1 2 3 4 buffers c to r v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s) figure 30. large signal response - buffers c to r figure 31. large signal response - buffer com -10123456 -4 -3 -2 -1 0 1 2 3 4 buffers c to r v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s) -10123456 -4 -3 -2 -1 0 1 2 3 4 buffer com v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s)
electrical characteristics TSL1018 10/15 figure 32. large signal response - buffer com figure 33. small signal response - buffers a & b -101234567 -4 -3 -2 -1 0 1 2 3 4 buffer com v cc =10v t amb =+25c z l =10k //16pf vout (v) time (s) 0123 -0.15 -0.10 -0.05 0.00 0.05 0.10 0.15 buffers a & b v cc =10v t amb =+25c z l =10k //16pf v e =100mv pp vout (v) time (s) figure 34. small signal response - buffers c to r figure 35. small signal response - buffer com 0123 -0.15 -0.10 -0.05 0.00 0.05 0.10 0.15 buffers c to r v cc =10v t amb =+25c z l =10k //16pf v e =100mv pp vout (v) time (s) 0123 -0.15 -0.10 -0.05 0.00 0.05 0.10 0.15 buffer com v cc =10v t amb =+25c z l =10k //16pf v e =100mv pp vout (v) time (s) figure 36. output voltage response to current transient - buffers a & b figure 37. output voltage response to current transient - buffers a & b -10123 -0.5 0.0 0.5 1.0 1.5 2.0 buffers a & b v cc =10v t amb =+25c i=0ma to 30ma vout (v) time (s) -1 0 1 2 3 -1.5 -1.0 -0.5 0.0 0.5 buffers a & b v cc =10v t amb =+25c i=30ma to 0ma vout (v) time (s)
TSL1018 electrical characteristics 11/15 figure 38. output voltage response to current transient - buffers c to r figure 39. output voltage response to current transient - buffers c to r -10123 -0.5 0.0 0.5 1.0 1.5 2.0 buffers c to r v cc =10v t amb =+25c i=0ma to 30ma vout (v) time (s) -10123 -1.5 -1.0 -0.5 0.0 0.5 buffers c to r v cc =10v t amb =+25c i=30ma to 0ma vout (v) time (s) figure 40. output voltage response to current transient - buffer com figure 41. output voltage response to current transient - buffer com 02468 -1 0 1 2 3 4 5 buffer com v cc =10v t amb =+25c i=0ma to 100ma vout (v) time (s) 02468 -5 -4 -3 -2 -1 0 1 buffer com v cc =10v t amb =+25c i=100ma to 0ma vout (v) time (s) figure 42. output voltage response to current transient - buffer com figure 43. output voltage response to current transient - buffer com -5 0 5 10 15 20 25 -6 -5 -4 -3 -2 -1 0 1 buffer com v cc =10v t amb =+25c i=100ma to -100ma vout (v) time (s) -5 0 5 10 15 20 25 30 -1 0 1 2 3 4 5 6 buffer com v cc =10v t amb =+25c i=-100ma to +100ma vout (v) time (s)
package information TSL1018 12/15 4 package information in order to meet environmental requirements, stmicroelectronics offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an stmicroelectronics trademark. ecopack specifications are available at: www.st.com . table 4. tqfp48 epad package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a1.200.047 a1 0.05 0.15 0.002 0.006 a2 0.95 1.00 1.05 0.037 0.039 0.041 b 0.17 0.22 0.27 0.007 0.009 0.011 c 0.09 0.20 0.004 0.008 d 8.80 9.00 9.20 0.346 0.354 0.362 d1 6.80 7.00 7.20 0.268 0.276 0.283 d2 2.00 0.079 d3 5.50 0.217 e 8.80 9.00 9.20 0.346 0.354 0.362 e1 6.80 7.00 7.20 0.268 0.276 0.283 e2 2.00 0.079 e3 5.50 0.217 e 0.50 0.020 l 0.45 0.60 0.75 0.018 0.024 0.030 l1 1.00 0.039 k 03.57 03.57 ccc 0.08 0.003
TSL1018 package information 13/15 figure 44. tqfp48 epad package drawing
ordering information TSL1018 14/15 5 ordering information 6 revision history table 5. order codes part number temperature range package packing marking TSL1018if -40c to +95c tqfp48 epad tr ay sl1018i TSL1018ift tape & reel date revision changes 22-mar-2007 1 initial release. 15-jul-2008 2 modified i cc typical and maximum values in ta b l e 3 . updated all curves ( figure 2 to figure 43 ). added esd charged device model value in ta bl e 1 .
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