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tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 1 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b cmos low power operational amplifiers note s: 1 . no purposely added lead. ful ly eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. description the tlc27l1 operational amplifier combines a wide range of input offset - voltage grades with low offset - voltage drift and high input impedance. the tlc27l1 is a low - bias version of the tlc2 71 programmable amplifier. three offset - voltage grades are available, ranging from the low - cost tlc27l1 (10mv) to the tlc27l1b (2mv) low - offset version. the devices are offered in both commercial and industrial operating temperature ranges. the extremely high input impedance and low bias currents, in conjunction with good common - mode rejection and supply voltage rejection, make these devices a good choice for new state - of - the - art designs as well as for upgrading existing designs. the devices also exhibit low - voltage single - supply operation, with a common - mode input - voltage range including the negative rail. f eatures ? wide range of supply voltages over specified temperature range: 0 c to + 70 c . . . 3 v to 16 v C 40 c to + 85 c . . . 4 v to 16 v ? single - supply operation ? common - mode i nput v oltage r ange e xtends b elow the n egative r ail ? low n oise: 68nv/ hz typical @ f = 1khz ? output voltage range includes n egative r ail ? high i nput i mpedance ? designed - in latch - up i mmunity ? t otally lead - free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. green device (note 3) pin assignments applications the tlc27l1 is the low power vers ion of the tlc271. it offers low power for applications requiring lon g battery life. for applications that require more performance consider the tlc271 . the tlc27 l 1 is well suited to many consumer audio, industrial and other low power applications. consider carefully the bandwidth and slew rate requirements for a specifi c application. ? audio microphone preamplifier filtering C equalizers signal amplification ? industrial power supply i nstrumentation metering ? medical portable meters and measurement i nstrumentation new product
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 2 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b ordering information device package code offset v oltage operating temperature r ange p ackaging (note 4 ) 13 tape and reel quantity part number suffix tlc27l1cs - 13 s 10mv 0 to + 70 c so - 8 2500/tape & reel - 13 TLC27L1AC s - 13 s 5mv 0 to + 70 c so - 8 2500/tape & reel - 13 tlc27l1bcs - 13 s 2mv 0 to + 70 c so - 8 2500/tape & reel - 13 tlc27l1is - 1 3 s 10mv - 40 to + 85 c so - 8 2500/tape & reel - 13 tlc27l1ai s - 13 s 5mv - 40 to + 85 c so - 8 2500/tape & reel - 13 tlc27l1bis - 13 s 2mv - 40 to + 85 c so - 8 2500/tape & reel - 13 note : 4 . pad layout as shown on diodes inc. suggested pad layout document ap02001, whic h can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. pin description s pin name pin n umber description offset n1 1 offset control inverting i nput in - 2 inverting i nput in+ 3 non - inverting i nput gnd 4 ground offset n2 5 offset control non - inverting i nput out 6 output v dd 7 supply v dd 8 supply
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 3 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b absolute maximum ratings (note s 5, 6, 7, 8, 9 ) symbol parameter rating unit v dd supply voltage: (note 6) 18 v v id differential input voltage (note 7 ) v dd v v in input voltag e range (either input) - 0.3 to v dd v i in input current 5 ma i o output current 30 ma output short - circuit to gnd (note 8 ) continuous ? p d power dissipation (note 9 ) 1065 mw t a operating temperature range c g rade 0 to +70 c i g rade - 40 to +85 t j operating junction temperature 150 c t st storage temperature range - 65 to +150 c esd hbm human body model esd pr otection (1.5k in series with 100pf) 1.5 kv note s : 5 . stresses beyond those listed under absolute maximum ratings may cause permanent da mage to the device. these are stress ratings only; functional operation of the device at these or any other conditions beyond those indicated under recommended operating condit ions is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. 6 . all voltage values, except differential voltages, are with respect to ground . 7 . differential input voltages are at in+ with respect to in - . 8 . the output may be shorted to either supply. temperature and/or supply voltages must be limited to ensure that the maximum dissipation rating is not exceeded . 9 . for operating at high temperatures, the tlc27 l 1 must be derated 8.5mw/ c to zero based on a +150c maximum junction temperature and a therma l resistance of + 117 c/ w when the device is soldered to a printed circuit board, operating in a still air ambient. recommended operating conditions symbol parameter c grade i grade unit min max min max ? v dd supply voltage 3 16 4 16 v v ic comm on mode input v oltage v dd = 5v - 0.2 3.5 - 0.2 3.5 v v dd = 10v - 0.2 8.5 - 0.2 8.5 t a operating free air t emperature 0 +70 - 40 +85 c
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 4 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b electrical characteristics parameter conditions t a tlc27l1 c, tlc27l1 ac, tlc27l1 bc unit v dd = 5v v dd = 10v min typ max min typ. max v io input offset voltage tlc27l1c v o = 1.4v v ic = 0v r s = 50 r l = 1m +25 c ? 1.1 10 ? 1.1 10 mv 0 to +70c ? ? 12 ? ? 12 TLC27L1AC +25 c ? 0.9 5 ? 0.9 5 0 to +70 c ? ? 6.5 ? ? 6.5 tlc27l1bc +25 c ? 0.24 2 ? 0.26 2 0 to +70 c ? ? 3 ? ? 3 vio average t emperatu re coefficient of input offset v oltage ? + 25 to + 70 c 1.1 1 v/c i io input offset current (note 10) v o = v dd /2, v ic = v dd /2 +25 c ? 0.1 60 ? 0.1 60 pa +70 c ? 7 300 ? 8 300 i ib input bias current (note 10) v o = v dd /2, v ic = v dd /2 +25 c ? 0.6 60 ? 0.7 60 pa +70 c ? 40 600 ? 50 600 v icr co mmon mode input v oltage (note 11 ) ? + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v 0c to + 70 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v oh high level output voltage v id = 100mv, r l = 1m +25 c 3.2 4.1 ? 8 8.9 ? v 0 c 3 4.1 ? 7.8 8.9 ? +70 c 3 4.2 ? 7.8 8.9 ? v ol low level output voltage v id = - 100mv, i ol = 0 +25 c ? 0 50 ? 0 50 mv 0 c ? 0 50 ? 0 50 +70 c ? 0 50 ? 0 50 a vd large signal differential voltage gain r l = 1m (note 12) +25 c 50 520 ? 50 870 ? v/mv 0 c 50 700 ? 50 1030 ? +70 c 50 380 ? 50 660 ? cmrr common mode rejection ratio v ic = v icrmin +25 c 65 94 ? 65 97 ? db 0 c 60 95 ? 60 97 ? +70 c 60 95 ? 60 97 ? k svr supply voltage reje ction ratio (?v dd /?v io ) v dd = 5v to 10v v o = 1.4v +25 c 70 97 ? 70 97 ? db 0 c 60 97 ? 60 97 ? +70 c 60 98 ? 60 98 ? i dd supply current v o = v dd /2, v ic = v dd /2, no l oad +25 c ? 10 17 ? 14 23 a 0 c ? 12 21 ? 18 33 +70 c ? 8 14 ? 11 2 0 notes : 10 . the typical values of input bias current and input offset current below 5pa were calculated . 11 . this range also applies to each input individually. 12 . at v dd = 5v, v o = 0.25v to 2v; at v dd = 10v, v o = 1v to 6v.
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 5 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b electrical characteristics parameter conditions t a tlc27l1 i, tlc27l1 ai, tlc27l1 bi unit v dd = 5v v dd = 10v min typ max min typ. max v io input offset voltage tlc27l1i v o = 1.4v v ic = 0v r s = 50 r l = 1m +25 c ? 1.1 10 ? 1.1 10 mv - 40 to 85 c ? ? 13 ? ? 13 tlc27l1ai +25 c ? 0.9 5 ? 0.9 5 - 40 to + 85 o c ? ? 7 ? ? 7 tlc27l1 bi +25 c ? 0.2 4 2 0.26 2 - 40 to + 85 o c ? ? 3 .5 ? ? 3 .5 vio average t emperatu re coefficien t of input offset v oltage ? +25 c to + 85 o c 1.1 1 v/c i io input offset current (note 13) v o = v dd /2 v ic = v dd /2 +25 c ? 0.1 60 ? 0.1 60 pa +85 o c ? 24 1000 ? 26 1000 i ib input bias current (note 13) v o = v dd /2 v ic = v dd /2 +25 c ? 0.6 60 ? 0.7 60 p a +85 c ? 200 2000 ? 220 2000 v icr common mode input voltage (note 14) ? +25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v - 40 to +85 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v oh high level output voltage v id = 100mv, r l = 1m +25 c 3 4.1 ? 8 8.9 ? v - 40 c 3 4.1 ? 7.8 8.9 ? +85 c 3 4.2 ? 7.8 8.9 ? v ol low level output voltage v id = - 100mv, i ol = 0 +25 c ? 0 50 ? 0 50 mv - 40 c ? 0 50 ? 0 50 +85 c ? 0 50 ? 0 50 a vd large signal differential voltage gain r l = 1m (note 15) +25 c 50 520 ? 50 870 ? v/mv - 40 c 50 900 ? 50 1550 ? +85 c 50 330 ? 50 585 ? cmrr common mode rejection ratio v ic = v icrmin +25 c 65 94 ? 65 97 ? db - 40 c 60 95 ? 60 97 ? +85 c 60 95 ? 60 98 ? k svr supply voltage rejection ratio (?v dd /?v io ) v dd = 5v to 10v v o = 1.4v +25 c 70 97 ? 70 97 ? db - 40 c 60 97 ? 60 97 ? +85 c 60 98 ? 60 98 ? i dd supply current v o = v dd /2 v ic = v dd /2 no load +25 c ? 10 17 ? 14 23 a - 40 c ? 16 27 ? 25 43 +85 c ? 17 13 ? 10 18 notes : 13 . the typical values of input bias current and input offset current below 5pa were calculated. 14 . this range also applies to each input individually. 15 . at v dd = 5v, v o = 0.25v to 2v; at v dd = 10v, v o = 1v to 6v.
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 6 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b electric al characteristics v dd = 5v parameter conditions t a tlc27l1 c, tlc27l1 ac, tlc27l1 bc unit min typ max ? sr slew rate at unity gain r l = 1m c l = 20pf see figure 31 v i(pp) = 1v +25 c ? 0.03 ? v/s 0c ? 0.04 ? +70c ? 0.03 ? v i(pp) = 2.5v +25 c ? 0.03 ? 0c ? 0.03 ? +70c ? 0.02 ? v n equivalent input noise voltage f = 1khz, r s = 20 see figure 32 +25 c ? 68 ? nv/hz b om maximum output swing bandwidth v o = v oh , c l = 20pf, r l = 1m see figure 31 +25 c ? 5 ? khz 0c ? 6 ? +70c ? 4.5 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 33 +25 c ? 85 ? mhz 0c ? 100 ? +70c ? 65 ? ? m phase margin f = b 1 , v i = 10mv, c l = 20pf see figure 33 +25 c ? 34 ? ? 0c ? 36 ? +70c ? 30 ? v dd = 10v parameter conditions t a tlc27l1 c, tlc27l1 ac, tlc27l1 bc unit min typ max ? sr slew rate at unity gain r l = 1m, c l = 20pf see figure 31 v i(pp) = 1v +25 c ? 0.05 ? v/s 0c ? 0.05 ? +70c ? 0.04 ? v i(pp) = 5.5v +25 c ? 0.04 ? 0c ? 0.05 ? +70c ? 0.04 ? v n equivalent input noise voltage f = 1khz, r s = 20 see figure 32 +25 c ? 68 ? nv/hz b om maximum output swing bandwidth v o = v oh , c l = 20pf , r l = 1m see figure 31 +25 c ? 1 ? khz 0c ? 1.3 ? +70c ? 0.9 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 33 +25 c ? 110 ? mhz 0c ? 125 ? +7 0c ? 90 ? ? m phase margin f = b 1 , v i = 10mv , c l = 20pf see figure 33 +25 c ? 38 ? ? 0c ? 40 ? +70c ? 34 ?
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 7 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b electrical characteristics v dd = 5v parameter conditions t a tlc27l1 i, tlc27l1 ai, tlc27l1 bi unit min ty p max ? sr slew rate at unity gain r l = 1m c l = 20pf see figure 31 v i(pp) = 1v +25 c ? 0.03 ? v/s - 40 ? 0.04 ? +85c ? 0.03 ? v i(pp) = 2.5v +25 c ? 0.03 ? - 40 ? 0.04 ? +85c ? 0.02 ? v n equivalent input noise voltage f = 1khz, r s = 20 see figure 32 +25 c ? 68 ? nv/hz b om maximum output swing bandwidth v o = v oh , c l = 20pf , r l = 1m see figure 31 +25 c ? 5 ? khz - 40 ? 7 ? +85c ? 4 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 33 +25 c ? 85 ? mhz - 40 ? 130 ? +85c ? 55 ? ? m phase margin f = b 1 , v i = 10mv , c l = 20pf see figure 33 +25 c ? 34 ? ? - 40 ? 38 ? +85c ? 28 ? v dd = 10v parameter conditions t a tlc27l1 i, tlc27l1 ai, tlc27l1 bi unit min typ m ax ? sr slew rate at unity gain r l = 1m c l = 20pf see figure 31 v i(pp) = 1v +25 c ? 0.05 ? v/s - 40 ? 0.06 ? +85c ? 0.03 ? v i(pp) = 5.5v +25 c ? 0.04 ? - 40 ? 0.05 ? +85c ? 0.03 ? v n equivalent input noise v oltage f = 1 khz, r s = 20 see figure 32 +25 c ? 68 ? nv/hz b om maximum output swing bandwidth v o = v oh , c l = 20pf , r l = 1m see figure 31 +25 c ? 1 ? khz - 40 ? 1.4 ? +85c ? 0.8 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 33 +25 c ? 110 ? mhz - 40 ? 155 ? +85c ? 80 ? ? m phase margin f = b 1 , v i = 10mv , c l = 20pf see figure 33 +25 c ? 38 ? ? - 40 ? 42 ? +85c ? 32 ?
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 8 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b t ypical performance characteristics table index of graphs figure v io input offset v oltage distribution 1,2 v oh high l evel output v oltage vs. high level output c urrent 3,4 vs. supply v oltage 5 vs. free air temperature 6 v ol low level output voltage vs. common mode input v oltage 7,8 vs. differential input v olta ge 9 vs. free air temperature 10 vs. low level output c urrent 11,12 a vd large signal differential voltage g ain vs. supply voltage 13 vs. free air temperature 14 i ib input bias c urrent vs. free air temperature 15 i io input off set c urrent vs. free air temperature 15 v ic common mode input v oltage vs. supply voltage 16 i dd supply c urrent vs. supply voltage 17 vs. free air temperature 18 sr slew r ate vs. su pply voltage 19 vs. free air temperature 20 i sel bias select c urrent vs. supply voltage 21 v o(opp) maximum peak to peak output v oltage vs. frequency 22 b 1 unity gain b andwidth vs. free air temperat ure 23 vs. supply voltage 24 a vd large signal differential voltage g ain vs. frequency 29,30 ? m phase m argin vs. supply voltage 25 vs. free air t emperature 26 vs. capacitive l oad 27 v n equivalent i nput noise v oltage vs. frequency 28 ? shift phase s hift vs. f requency 29,30
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 9 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 1 figure 2 figure 3 figure 4
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 10 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 5 figure 6 figure 7 figure 8
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 11 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 9 figure 1 0 figure 1 1 figure 1 2
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 12 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 1 3 figure 1 4 figure 1 5 figure 1 6
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 13 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 1 7 figure 1 8 figure 1 9 figure 2 0
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 14 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 2 1 figure 2 2 figure 2 3 figure 2 4
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 15 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance characteristics figure 2 5 figure 2 6 figure 2 7 figure 2 8
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 16 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical performance ch aracteristics figure 2 9 figure 3 0
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 17 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b application information parameter measurement circuits because the tlc271 is optimized for single - supply operation, circuit configurations used for the various tests can present some difficulties since t he input signal must be offset from ground. this issue can be avoided by testing the device with split supplies and the outpu t load tied to the negative rail. example circuits are shown below. figure 31 measurement circuit w ith either single or split supply fig 32 noise measurement with single or split supply figure 33 gain of 100 with single or split supply + ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - c l r l v d d v o + - c l r l v d d v o + v d d - ? v d d 2 k 2 0 2 0 2 k 2 0 2 0 + ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - c l v d d v o + - c l v d d v o + v d d - ? v d d 1 0 k 1 0 0 1 0 k v i 1 0 0 v i ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + + - c l r l v d d v i v o + - c l r l v d d v i v o + v d d -
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 18 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b application notes offset voltage nulling circuit the tlc27 l 1 offers external input offset null control. nulling of the input off set voltage may be achieved by adjusting a 100 - k ? potentiometer connected between the offset null termin als with the wiper c onnected as shown in figure 31 . figure 31 offset nulling circuits input bias current C error protection the tlc27 l 1 has an extremely high input impe dance. to use the inputs as a high impedance node, for example , greater than100 k , or to accurately measure bias current , it is necessary to place a guard ring around the input pins and drive th e ring to a potential equivalent to the common mode input volta ge. in many cases this common mode potential may exist as a part of the feedback circuit and can be obtained from o ne of the appropriate nodes. in the case for the so8 package, pin 4 is connected to ground or vdd - . i nput pins 2 and 3 ar e normally well above the voltage on pin 4 , so a large potential voltage on the order of several volts is likely between pins 3 and 4. to prevent interference with a 1 pa bias current , the board resistance w ill need to be in the order of gigaohms to have a minimum impact. the goal is to have the common mode potential on the guard ring , therefore reducing the stray voltage near the input pins to millivolts in normal applications. any solder flux resi due, excess moisture, humidity or board contamination will be detrimental to using the device in a high impedance input mode. figure 32 bias current guarding for high input impedance applications v i c v = 1 4 8 5 ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - t l c 1 7 l 1 n 2 n 1 i n - i n + v d d v d d v d d / 2 + - t l c 2 7 l 1 n 2 n 1 i n - i n + v d d - v d d +
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 19 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s figure 33 inverting ampli fier with voltage reference figure 34 state variable filter figure 35 single supply function generator + v i b a n d p a s s h i g h p a s s l o w p a s s + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 l 1 1 0 k 0 . 0 1 6 f + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 l 1 0 . 0 1 6 f + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 l 1 1 0 k 5 k r = 5 k ( 3 / d - 1 ) w h e r e d = d a m p i n g f a c t o r i / o + + - c r 1 r 4 r 3 r 2 v d d v r e f 0 . 0 1 f v i v r e f r 3 r 1 r 3 = + v o v o = r 4 r 2 + v r e f v r e f - v i ( ) v d d + + - 9 v b i a s s e l e c t t l c 2 7 l 1 1 0 k c = 0 . 0 1 f + - 9 v 1 0 0 k b i a s s e l e c t t l c 2 7 l 1 5 k v o 9 v 1 0 k r 1 , 1 0 0 k r 3 , 4 7 k v o v o ( p p ) = 8 v v o ( p p ) = 4 v f o = 1 4 c ( r 2 ) r 2 r 1 [ ] r 2
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 20 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figu re 36 low power instrumentation amplifier figure 37 single supply twin - t notch filter + - 5 v b i a s s e l e c t t l c 2 7 l 1 2 c r 5 4 0 p f v i f n o t c h 1 2 = v o c 2 7 0 p f c 2 7 0 p f 1 0 m r / 2 1 0 m r 5 m r c v i 1 0 0 k 1 0 k 1 0 k 9 5 k + - 5 v b i a s s e l e c t t l c 2 7 l 1 - 5 v + - 5 v b i a s s e l e c t t l c 2 7 l 1 - 5 v + - 5 v b i a s s e l e c t t l c 2 7 l 1 - 5 v - v i + 1 0 k r 1 = 1 0 k n o n - i n d u c t i v e
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 21 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figure 38 power supply figure 39 positive peak detector v i 0 . 5 f 1 0 0 k h . p . v o + - 1 2 v b i a s s e l e c t t l c 2 7 l 1 + - 1 2 v b i a s s e l e c t t l c 2 7 l 1 n . o . r e s e t 5 0 8 2 - 2 8 3 5 m y l a r 0 . 4 7 f 1 . 2 k 1 5 + - b i a s s e l e c t t l c 2 7 l 1 v o 1 k 1 0 0 k 2 0 k 0 . 1 f t l 4 3 1 4 . 7 k + 2 5 0 f 1 0 k 2 2 k 1 1 0 - 2 5 v 4 7 k 0 . 0 1 f v i = 3 . 5 t o 1 5 v = 2 v i o = 0 t o 2 a
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 22 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figure 40 wein oscillator figure 41 single - supply ac amplifier v i 1 0 k v o + - 5 v b i a s s e l e c t t l c 2 7 l 1 2 . 5 v 1 0 0 k 0 . 1 f 1 m 1 m 1 0 0 k 0 . 1 f 0 . 2 2 f 1 f 1 0 0 k 5 v v o + - b i a s s e l e c t t l c 2 7 l 1 4 7 0 k 4 7 k 2 . 5 v 6 8 k r 1 6 8 k r 2 c 1 2 . 2 n f c 2 2 . 2 n f 1 0 0 k 1 0 0 k 1 n 4 1 4 8 f o = 1 2 r 1 r 2 c 1 c 2 v o ( p p ) = 2 v
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 23 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figure 42 microphone preamplifier figure 43 photo - diode amplifier with ambient light rejection figure 44 precision low - current sink v o + - 5 v b i a s s e l e c t t l c 2 7 l 1 2 . 5 v 1 0 k 1 m 1 f 1 0 0 k 1 0 0 k 1 k 0 . 1 f + - 0 . 1 f + - + - 1 0 0 k l o w t o m e d i u m i m p e d a n c e d y n a m i c m i k e g a i n c o n t r o l + - 5 v b i a s s e l e c t t l c 2 7 l 1 = 0 v t o 3 v v i 2 . 5 v i s r v i c o n d i t i o n s : i s = v i r 2 n 3 8 2 1 v o + - b i a s s e l e c t t l c 2 7 l 1 + - b i a s s e l e c t t l c 2 7 l 1 v d d v d d 1 5 n f v d d / 2 v r e f v d d / 2 1 0 m 1 0 0 k 1 0 0 p f v d d = 4 v t o 1 5 v v r e f = 0 v t o v d d - 2 v c o n d i t i o n s :
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 24 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figure 45 amplifier with digital gain selection figure 46 multivibrator 5 v 0 . 0 1 f + - b i a s s e l e c t t l c 2 7 l 1 v o 1 v o 2 5 0 0 k 5 0 0 k 5 0 0 k 5 0 0 k 5 v + - b i a s s e l e c t t l c 2 7 1 + - b i a s s e l e c t t l c 2 7 l 1 v i v o v d d 9 0 k 9 k 1 k x 1 x 2 a n a l o g s w i t c h c c b b a 4 0 6 6 a s 1 s 2 1 2 v d d s 1 s 2 s e l e c t a v 1 0 1 0 0 v d d = 5 v t o 1 2 v
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 25 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b typical application circuit s (cont.) figure 47 full wave rectifier figure 48 two - pole low - pass butterworth filter + - b i a s s e l e c t t l c 2 7 l 1 v o v d d 1 0 k 1 0 k v i 0 . 0 1 6 f 0 . 0 1 6 f = 1 0 k f c n o m a l i z e d t o = 1 k h z a n d r l 1 0 0 k 1 0 k + - b i a s s e l e c t t l c 2 7 l 1 + v i v o v d d 2 0 k
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 26 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b marking information so - 8 part mark part number c27 l 1c tlc27l1 cs c27 l 1ac tlc27l1 acs c27 l 1bc tlc27l1 bcs c27 l 1i tlc27l1 is c27 l 1ai tlc27l1 ais c27 l 1bi tlc27l1 bis package outline dimensions please see ap02002 at http://www.diodes.com/datasheets/ap0200 2 .pdf for the latest version. package type: so - 8 so - 8 dim min max a - 1.75 a1 0.10 0.20 a2 1.30 1.50 a3 0.15 0.25 b 0.3 0.5 d 4.85 4.95 e 5.90 6.10 e1 3.85 3.95 e 1.27 typ h - 0.35 l 0.62 0.82 ? ? 0 ? 8 ? all dimensions in mm gauge plane seating plane detail a detail a e e1 h l d e b a2 a1 a 45 7 ~ 9 a3 0 . 2 5 4
tlc27l1, tlc27l1a, tlc27l1b document number: ds35398 rev. 2 - 2 27 of 27 www.diodes.com november 2014 ? diodes incorporated tlc27 l 1, tlc27 l 1a, tlc27 l 1b important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or o ther changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability a rising out of the application or use of this document or any product described herein; neither does diodes incorporate d convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such appli cations shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales channe l. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fee s arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of th is document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or system s without the express written app roval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when pr operly used in accordance with instruction s for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perfor m can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evi ces or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or syst ems, notwithstanding any devices - or systems - related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes i ncorporated and its representatives against any damages arising out of the use of diod es incorporated products in such safety - critical, life support devices or systems. copyright ? 201 4 , diodes incorporated www.diodes.com

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