www.rohm.com tsz02201-0rar1g200610-1-2 ?2013 rohm co., ltd. all rights reserved. 1/18 8.feb.2013 rev.001 tsz22111 ? 14? 001 datashee t operational amplifiers low supply current ground sense operational amplifiers LMR341G general description LMR341G is single cmos op-amp with shutdown function, low supply voltag e operation and output full swing. there are suitable for battery equipment. mos-fet input stage provide low input bias current. it is capable to use for sensor applications. features ? low operating supply voltage ? input ground sense, output full swing ? high large signal voltage gain ? low input bias current ? low supply current ? low input offset voltage ? shutdown function applications ? customer electronics ? buffer ? active filter ? mobile equipment ? battery equipment simplified schematic key specifications ? low operating supply voltage (single supply): +2.7v to +5.0v ? high voltage gain (rl=2k ? ): 103db(typ.) ? wide temperature range: -40c to +85c ? turn on time from shutdown: 15 s (typ.) ? low input offset voltage: 4mv (max.) ? low input bias current: 1pa (typ.) package w(typ.) xd(typ.) xh(max.) ssop6 2.90mm x 2.80mm x 1.25mm -in +in v b i a s 1 class ab control out v b i a s 2 vdd shutdown control vss shdn figure 1. simplified schematic product structure silicon monolithic integrated circuit this product is not designed prot ection against radioactive rays.
datasheet www.rohm.com tsz02201-0rar1g200610-1-2 ?2013 rohm co., ltd. all rights reserved. 2/18 8.feb.2013 rev.001 tsz22111 ? 15? 001 LMR341G pin configuration LMR341G : ssop6 pin no. pin name 1 +in 2 vss 3 -in 4 out 5 shdn ?????? 6 vdd package ssop6 LMR341G shutdown pin input condition state shdn ?????? vss shutdown vdd active note: please refer to electrical characteri stics regarding the turn on and off voltage. ordering information l m r 3 4 1 g - t r part number lmr341 package g:ssop6 packaging and forming specification tr: embossed tape and reel line-up topr package operable part number -40c to +85c ssop6 reel of 3000 LMR341G-tr absolute maximum ratings (ta=25c) parameter symbol ratings unit supply voltage vdd-vss +7 v power dissipation pd ssop6 675 *1*2 mw differential input voltage *3 vid vdd to vss v input common-mode voltage range vicm (vss - 0.3) to (vdd + 0.3) v operable with low volta ge vopr +2.7 to +5.0 v operating temperature topr - 40 to +85 c storage temperature tstg - 55 to +150 c maximum junction temperature tjmax +150 c note: absolute maximum rating item indicates the condition which must not be exceeded. application of voltage in excess of absolute maximum rating or use out absolute maximum rated temperature environment may cause deterioration of characteristics. *1 to use at temperature above ta 25c reduce 5.4mw/c. *2 mounted on a fr4 glass epoxy pcb (70mm70mm1.6mm). *3 the voltage difference between inverting input and non-inverting input is the differential input voltage. then input terminal voltage is set to more than vss. 34 2 16 + - out +in -in vss vdd 5 shdn
datasheet www.rohm.com tsz02201-0rar1g200610-1-2 ?2013 rohm co., ltd. all rights reserved. 3/18 8.feb.2013 rev.001 tsz22111 ? 15? 001 LMR341G electrical characteristics: LMR341G (unless otherwise specified vdd=+2.7v, vss=0v, shdn ?????? =vdd) parameter symbol temperature range limits unit condition min. typ. max. input offset voltage *4 *5 vio 25c - 0.25 4 mv vdd=2.7v to 5.0v full range - - 4.5 input offset voltage drift vio/ t 25c - 1.7 - v/c - input offset current *4 iio 25c - 1 - pa - input bias current *4 ib 25c - 1 - pa - supply current idd 25c - 100 170 a av=0db, vin=1.35v full range - - 230 shutdown current idd_sd 25c - 0.2 1000 na maximum output voltage(high) voh 25c 60 26 - mv rl=2k ? to vdd/2 30 5 - rl=10k ? to vdd/2 maximum output voltage(low) vol 25c - 24 60 mv rl=2k ? to vdd/2 - 5 30 rl=10k ? to vdd/2 large signal voltage gain av 25c 78 113 - db rl=10k ? to vdd/2 - 103 - rl=2k ? to vdd/2 input common-mode voltage range vicm 25c vss - vdd-1 v - common-mode rejection ratio cmrr 25c 56 80 - db vcm=1.35v power supply rejection ratio psrr 25c 65 85 - db vdd=2.7v to 5.0v vcm=0.5v output source current *6 isource 25c 20 32 - ma out=0v, short current output sink current *6 isink 25c 15 24 - ma out=2.7v, short current slew rate sr 25c - 1.0 - v/ s rl=10k ? , vin=1.7v p-p gain bandwidth gbw 25c - 1.0 - mhz cl=200pf, rl=100k ? av=40db, f=100khz unit gain frequency f t 25c - 1.0 - mhz cl=200pf, rl=100k ? av=40db, gain=0db phase margin 25c - 45 - deg cl=20pf, rl=100k ? av=40 db gain margin gm 25c - 4.5 - db cl=20pf, rl=100k ? av=40db input referred noise voltage vn 25c - 40 - hznv/ f=1khz total harmonic distortion + noise thd+n 25c - 0.017 - % out=1v p-p , f=1khz rl=600 ? av=0db, din-audio turn on time from shutdown ton 25c - 15 - s - turn on voltage high vshdn_h 25c - 1.8 - v - turn on voltage low vshdn_l - 1.1 - v - *4 absolute value. *5 full range: ta=-40c to +85c *6 under the high temperature environment, consider the power dissipation of ic when selecting the output current. when the terminal short circuits are continuously output, the ou tput current is reduced to clim b to the temperature inside ic. shdn ?????? =0v
datasheet www.rohm.com tsz02201-0rar1g200610-1-2 ?2013 rohm co., ltd. all rights reserved. 4/18 8.feb.2013 rev.001 tsz22111 ? 15? 001 LMR341G LMR341G (unless otherwise specified vdd=+5.0v, vss=0v, shdn ?????? =vdd) parameter symbol temperature range limits unit condition min. typ. max. input offset voltage *7 *8 vio 25c - 0.25 4 mv vdd=2.7v to 5.0v full range - - 4.5 input offset voltage drift vio/ t 25c - 1.9 - v/c - input offset current *7 iio 25c - 1 - pa - input bias current *7 ib 25c - 1 - pa - supply current idd 25c - 110 200 a av=0db, vin=2.5v full range - - 260 shutdown current idd_sd 25c - 0.5 1000 na maximum output voltage(high) voh 25c 60 34 - mv rl=2k ? to vdd/2 30 7 - rl=10k ? to vdd/2 maximum output voltage(low) vol 25c - 32 60 mv rl=2k ? to vdd/2 - 7 30 rl=10k ? to vdd/2 large signal voltage gain av 25c 78 116 - db rl=10k ? to vdd/2 - 107 - rl=2k ? to vdd/2 input common-mode voltage range vicm 25c vss - vdd-1 v - common-mode rejection ratio cmrr 25c 56 90 - db vcm=2.5v power supply rejection ratio psrr 25c 65 85 - db vdd=2.7v to 5.0v vcm=0.5v output source current *9 isource 25c 85 113 - ma out=0v, short current output sink current *9 isink 25c 50 75 - ma out=5v, short current slew rate sr 25c - 1.0 - v/ s rl=10k ? ,vin=2v p-p gain bandwidth gbw 25c - 1.0 - mhz cl=200pf, rl=10k ? av=40db, f=100khz unit gain frequency f t 25c - 1.0 - mhz cl=200pf, rl=10k ? av=40db, gain=0db phase margin 25c - 45 - deg cl=20pf, rl=100k ? av=40db gain margin gm 25c - 4.5 - db cl=20pf, rl=100k ? av=40db input referred noise voltage vn 25c - 40 - hznv/ av=40db, din-audio f=1khz total harmonic distortion + noise thd+n 25c - 0.012 - % out=1v p-p , f=1khz rl=600 ? av=0db, din-audio turn on time from shutdown ton 25c - 15 - s - turn on voltage high vshdn_h 25c - 3.2 - v - turn on voltage low vshdn_l 25c - 2.2 - v - *7 absolute value *8 full range: ta=-40c to +85c *9 under the high temperature environment, consider the power dissipation of ic when selecting the output current. when the terminal short circuits are continuously output, the ou tput current is reduced to clim b to the temperature inside ic. shdn ?????? =0v
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