general description the tc1034/1035 are single cmos operational ampli- fiers for low-power applications. they have a typical operating supply current of 6 a, which is constant over the supply voltage range of 1.8v to 5.5v. the op amp has a rail-to-rail input and output which allows operation at low supply voltages with large input and output signal swings. an active low shutdown input, shdn, is available on the tc1035 and disables the op amp, placing its output in a high-impedance state. the tc1035 draws less than 0.1 a when the shutdown mode is active. packaged in a 5-pin sot-23a (tc1034) or 6-pin sot-23a (tc1035), these single operational amplifiers are ideal for applications requiring high integration, small size, and low power. linear building block ?single operational amplifiers in sot packages tc1034 tc1035 features tiny sot-23a packages save space! optimized for single-supply operation ultra low input bias current ..... less than 100 pa low quiescent current ........................ 6 a (typ.) 0.05 a, (typ.) in shutdown mode (tc1035) shutdown mode (tc1035) rail-to-rail inputs and outputs applications power management circuits battery operated equipment consumer products tc1034/1035-2 6/30/99 ordering information part no. package temp. range tc1034ect 5-pin sot-23a ?0 c to +85 c tc1035ech 6-pin sot-23a ?0 c to +85 c tc1043ev evaluation kit for linear building blocks family pin configurations output v dd in+ v ss in 5-pin sot-23a* note: *5-pin sot-23a is equivalent to eiaj sc74a tc1034ect 1 3 5 4 2 output v dd in+ v ss in shdn 6-pin sot-23a* note: *6-pin sot-23a is equivalent to eiaj (sc74) tc1035ech 1 3 6 4 5 2 evaluation kit available ?2001 microchip technology inc.
tc1034 tc1035 linear building block single operational amplifiers in sot packages 2 tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a * static-sensitive device. unused devices must be stored in conductive material. protect devices from static discharge and static fields. stresses above those listed under absolute maximum ratings may cause perma- nent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. absolute maximum ratings* supply voltage ...........................................................6.0v voltage on any pin: (with respect to supplies) .. (v ss ?0.3v) to (v dd +0.3v) operating temperature range: ............. ?40 c to + 85 c storage temperature range ................ ?55 c to +150 c lead temperature (soldering, 10 sec) ................. +260 c electrical characteristics: t a = ?0 to +85 c, v dd = 1.8v to 5.5v, unless otherwise specified. typical values apply at 25 c. minimum and maximum values apply for v dd = 3.0v. symbol parameter test conditions min typ max unit v dd supply voltage 1.8 5.5 v shutdown input (tc1035 only) v ih input high threshold 80% v dd v v il input low threshold 20% v dd v i si shutdown input current (note 1) 100 na op amp i q supply current, operating output open 6 8 a shdn = v dd , (note 1) i shdn supply current, shutdown mode (note 1) shdn = v ss 0.05 0.1 a r out (sd) output resistance in shutdown (note 1) shdn = v ss 20 m ? c out (sd) output capacitance in shutdown (note 1) shdn = v ss 5pf t sel select time (v out from shdn = v ih ) (note 1) r l =10k ? to v ss ?5 sec t desel de-select time (v out from shdn = v il ) (note 1) r l =10k ? to v ss 20 nsec a vol large signal voltage gain r o = 10 k ? , v dd = 5v 100 v/mv v icmr common mode input voltage range v ss ?0.2 v dd + 0.2 v v os input offset voltage v dd = 3v, v cm = 1.5v, t a = 25 c 100 500 v t a = ?0 c to 85 c 0.3 1.5 mv i b input bias current t a = 25 c; ?00 50 100 pa v cm = v dd to v ss v os (drift) average input offset voltage drift v dd = 3v; v cm = 1.5v 4 v/ c gbwp gain-bandwidth product v dd = 1.8 to 5.5v; 90 khz v o = v dd to v ss sr slew rate c l = 100 pf, 35 mv/ sec r l = 1 m ? to gnd, gain = 1 v in = v ss to v dd v out output signal swing r l = 10 k ? v ss + 0.05 v dd ?0.05 v cmrr common mode rejection ratio t a = 25 c; v dd = 5v; 70 db v cm = v dd to v ss psrr power supply rejection ratio t a = 25 c; v cm = v ss ;80 db v dd = 1.8v to 5v i src output source current v in + = v dd, v in ?= v ss 3 ma output shorted to v ss v dd = 1.8v; gain = 1 note: 1. tc1035 only
3 tc1034 tc1035 linear building block single operational amplifiers in sot packages near building block single operational amplifiers in sot packages tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a electrical characteristics: (cont.) t a = ?0 to +85 c, v dd = 1.8v to 5.5v, unless otherwise specified. typical values apply at 25 c. minimum and maximum values apply for v dd = 3.0v. symbol parameter test conditions min typ max unit i sink output sink current v in + = v ss ,v in ?= v dd 4 ma output shorted to v dd v dd = 1.8v; gain = 1 en input noise voltage 0.1hz to 10 hz 10 vpp input noise density 1 khz 125 nv hz functional block diagram + output v dd in+ in v ss tc1034 + output v dd in+ in v ss shdn tc1035 pin description tc1034 tc1035 pin no. pin no. name description 1 1 output operational amplifier output terminal. 22v dd input supply voltage. 3 3 in+ operational amplifier non-inverting input terminal. 4 4 in operational amplifier inverting input terminal. 5 shdn active low shutdown input (tc1035 only). a low input on this pin disables the operational amplifier and places the output terminal in a high-impedance state. 56v ss ground terminal.
tc1034 tc1035 linear building block single operational amplifiers in sot packages 4 tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a v dd v dd + + v out v in 21.0k 21.0k 21.0k 2400 pf 470 pf 750 pf v dd /2 6800 pf 0.1 f 22.6k 22.6k gain = 0 db f ch = 3.5 khz 24db/octave f cl = 70 hz +6db/octave passband ripple < 0.15 db tc1034 tc1034 tc1034 figure 1. multi-pole butterworth voice band receive filter detailed description operational amplifiers the tc1034/1035 is one of a series of very low-power, linear building block products targeted at low-voltage, single-supply applications. the tc1034/1035 minimum operating voltage is 1.8v and maximum supply current is only 8 a. the tc1034 is a single op amp in a 5-pin sot-23a package, and the tc1035 is a single op amp with shutdown input in a 6-pin sot-23a package. microchip? op amps are internally compensated to be unity-gain stable and have a typical gain-bandwidth product of 90 khz with typical slew rates of 35 v/msec. the amplifier? input range extends beyond both sup- plies by 200mv and the outputs will swing to within several millivolts of the supplies depending on the load current being driven. input offset voltage is 500 v max at 25 c with an input bias currrent of less than 100pa. this makes these devices extremely suitable for precision, low power applications. typical applications the tc1034/1035 lends itself to a wide variety of applications, particularly in battery-powered systems. it typically finds applications in power management, proces- sor supervisory, and interface circuitry. voice band receive filter the majority of spectral energy for human voices is found to be in a 2.7 khz frequency band from 300 hz to 3 khz. to properly recover a voice signal in applications such as radios, cellular phones, and voice pagers a low-power bandpass filter that is matched to the human voice spectrum can be implemented using microchip? cmos op amps. figure 1 shows a unity gain multi-pole butterworth filter with ripple less than 0.15 db in the human voice band. the lower 3 db cut-off frequency is 70 hz (single order response) while the upper cut-off frequency is 3.5 khz (fourth order response). supervisory audio tone (sat) filter for cellular supervisory audio tones (sat) provide a reliable trans- mission path between cellular subscriber units and base stations. the sat tone functions much like the current/ voltage used in land line telephone systems to indicate that a phone is off the hook. the sat tone may be one of three frequencies: 5970, 6000, or 6030 hz. a loss of sat implies that channel conditions are impaired and if sat is inter- rupted for more than 5 seconds a cellular call is terminated. figure 2 shows a high q (30) second order sat detection bandpass filter using microchip? cmos op amp architecture. this circuit nulls all frequencies except the three sat tones of interest.
5 tc1034 tc1035 linear building block single operational amplifiers in sot packages near building block single operational amplifiers in sot packages tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a + 11.2 24.3k 48.7k .036 f .036 f v in v dd v out gain = 0 db q = f c bw q = 30 (3 db) f c = 6 khz tc1034 v dd /2 v dd /2 figure 2. second order sat bandpass filter
tc1034 tc1035 linear building block single operational amplifiers in sot packages 6 tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a op-amp supply current vs. temperature op-amp supply voltage vs. supply current supply current ( a) supply voltage (v) supply voltage (v) supply current ( a) temperature ( c) op-amp power supply rejection ratio(psrr) vs. frequency frequency (hz) psrr (db) op-amp short-circuit current vs. supply voltage dc open-loop gain (db) supply voltage (v) output current (ma) op-amp dc open-loop gain vs. temperature temperature ( c) dc open-loop gain (v/mv) op-amp dc open-loop gain vs. supply voltage op-amp load resistance vs. load capacitance capacitive load (pf) r laod (k ? ) 16 12 10 5 16 14 12 10 8 140 120 100 80 60 40 20 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 3000 50 45 40 35 30 25 20 15 10 5 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 2500 2000 1500 1000 500 0 0 40 c 40 c 25 c 25 c 85 c 85 c 12345 6 1k 10k 100 0 10 20 30 40 50 60 70 100k v dd = 3v, v cm = 1.5v, v in = 100mvpp 0 250 500 750 1000 1250 1500 1750 2000 100 10 1 1000 v dd = 3v, v cm = 1.5v i sink 10% overshoot region of marginal stability region of stable operation op-amp short-circuit current vs. supply voltage supply voltage (v) output current (ma) 0 5 10 15 20 25 30 35 0.0 1.0 2.0 3.0 4.0 5.0 6.0 i src 1.8v 3v op-amp small-signal transient response time sec output voltage (mv) input voltage (mv) 100 50 0 100 50 0 10 20 30 40 50 60 70 80 90 14 5.5v typical charateristics curves
7 tc1034 tc1035 linear building block single operational amplifiers in sot packages near building block single operational amplifiers in sot packages tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a typical charateristics curves op-amp large-signal transient response time sec output voltage (v) input voltage (v) 4 6 2 0 4 6 2 0 10 20 30 40 50 60 70 80 90 markings 5-pin sot-23a & = part number code + temperature range and voltage tc1034/1035 (v) code tc1034ect ae tc1035ech af 6-pin sot-23a represents year and quarter code represents lot id number
tc1034 tc1035 linear building block single operational amplifiers in sot packages 8 tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a user direction of feed user direction of feed device marking component taping orientation for 5-pin sot-23a (eiaj sc-74a) devices device marking pin 1 pin 1 standard reel component orientation tr suffix device (mark right side up) reverse reel component orientation rt suffix device (mark upside down) w p package carrier width (w) pitch (p) part per full reel reel size 5-pin sot-23a 8 mm 4 mm 3000 7 in carrier tape, number of components per reel and reel size taping form user direction of feed user direction of feed device marking component taping orientation for 6-pin sot-23a (eiaj sc-74) devices device marking pin 1 pin 1 standard reel component orientation for tr suffix device (mark right side up) reverse reel component orientation for rt suffix device (mark upside down) w p package carrier width (w) pitch (p) part per full reel reel size 6-pin sot-23a 8 mm 4 mm 3000 7 in carrier tape, number of components per reel and reel size
9 tc1034 tc1035 linear building block single operational amplifiers in sot packages near building block single operational amplifiers in sot packages tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a package dimensions dimensions: inches (mm) 5-pin sot-23a (eiaj sc-74a) .071 (1.80) .059 (1.50) .122 (3.10) .098 (2.50) .075 (1.90) ref. .020 (0.50) .012 (0.30) pin 1 .037 (0.95) ref. .122 (3.10) .106 (2.70) .057 (1.45) .035 (0.90) .006 (0.15) .000 (0.00) .024 (0.60) .004 (0.10) 10 max. .010 (0.25) .004 (0.09) 6-pin sot-23a (eiaj sc-74) .069 (1.75) .059 (1.50) .122 (3.10) .098 (2.50) .075 (1.90) ref. .020 (0.50) .014 (0.35) .037 (0.95) ref. .118 (3.00) .110 (2.80) .057 (1.45) .035 (0.90) .006 (0.15) .000 (0.00) .024 (0.60) .004 (0.10) 10 max. .008 (0.20) .004 (0.09)
tc1034 tc1035 linear building block single operational amplifiers in sot packages 10 tc1034/1035-2 6/30/99 ? 2001 microchip technology inc. ds21343a information contained in this publication regarding device applications and the like is intended through suggestion only and ma y be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. no representation or warrant y is given and no liability is assumed by microchip technology incorporated with respect to the accuracy or use of such information, or infringement of patent s or other intellectual property rights arising from such use or otherwise. use of microchip ? s products as critical components in life support systems is not authorized except with express written approval by microchip. no licenses are conveyed, implicitly or otherwise, except as maybe explicitly expressed herein, under any intellec- tual property rights. the microchip logo and name are registered trademarks of microchip technology inc. in the u.s.a. and othe r countries. all rights reserved. all other trademarks mentioned herein are the property of their respective companies. all rights reserved. ? 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