copyright ? cirrus logic, inc. 2009 (all rights reserved) cirrus logic, inc. http://www.cirrus.com 7/29/09 cs3013 low-power / low-voltage precision amplifier features & description ? low offset: ?10 v typ. ? low drift: ?0.05 v/c max. ? low noise: ? 22 nv/ hz ? open-loop voltage gain: ? 135 db typ. ? rail-to-rail inputs ? rail-to-rail output swing ? to within 20 mv of supply voltage ? 0.5 ma supply current ? slew rate: ?0.25 v/ s applications ? thermocouple/thermopile amplifiers ? load cell and bridge transducer amplifiers ? precision instrumentation ? battery-powered systems description the cs3013 single amplifier is designed for precision amplification of low-level signals. these amplifiers achieve excellent offset stab ility, high open loop gain, and low noise. the device also exhibits excellent cmrr and psrr. the common mode input range includes the supply rails. the amplifiers o perate with any supply volt- age from 2.7 v to 5 v (1.35 v to 2.50 v). pin configurations 8-lead soic cs3013 (top view) 1. must not be connected. nc -in +in v- nc v+ output nc - + 1 1 1 1 2 3 4 8 7 6 5 noise vs. frequency (measured) 0.01 hz to 10 hz noise performance 1 10 100 1000 0.01 0.1 1 10 frequency (hz) -300 -200 -100 0 100 200 300 012345678910 time (sec) aug 09 ds736f2
cs3013 2 ds736f2 7/29/09 table of contents 1. characteristics and specifications ............ ................................. 3 1.1 5 v electrical characterist ics ............. ............................ ............... ........... 3 1.2 3 v electrical characterist ics ............. ............................ ............... ........... 4 1.3 absolute maximum ratings ............... ............................ ............... ........... 5 2. typical performance plot s ............... ............................................... 5 3. package drawings ........... ............................................ ............... ........... 7 4. ordering information .... ............................................ ............... ........... 8 5. environmental, manufacturing, & handl ing information ... 8 6. revision history .......................................................... ............... ........... 9 list of figures figure 1. noise vs frequency (measured) .................................................................................5 figure 2. 0.01 hz to 10 hz noise ................... ........................................................................... .5 figure 3. gain & phase vs. frequency (2.7 v) .. .........................................................................5 figure 4. gain & phase vs. frequency (5 v) ..... .........................................................................5 figure 5. supply current vs. supply voltage .. ............................................................................5 figure 6. supply current vs. temperature ........ .........................................................................5 figure 7. voltage swing vs. output current (2.7 v) ...................................................................6 figure 8. voltage swing vs. output current (5 v) ......................................................................6
cs3013 ds736f2 3 7/29/09 1. characteristics and specifications 1.1 5 v electrical characteristics v+ = +5 v, 5%; v- = 0v; vcm = 2.5 v; unless otherwise noted, t a = 25o c (see note 1). notes: 1. symbol ? ? ? denotes specification ap plies over -40 to +125 c. 2. this parameter is guaranteed by design and/or laboratory characterization. 3. guaranteed within the output limit s of (v+ ? 0.2 v) to (v- + 0.2 v). 4. specifies the worst case drive vo ltage relative to the supply rail under stated load conditions. parameter min typ max unit input offset voltage ( note 2 ) ? -1020v average input offset drift ( note 2 ) ? - 0.01 0.05 v/oc input bias current ? - - 170 - 250 1.5 pa na input offset current ? - - 340 - 500 3.0 pa na input noise voltage density r s = 100 , f 0 = 1 hz r s = 100 , f 0 = 1 khz - - 22 22 - - input noise voltage 0.1 to 10 hz - 460 - nv p-p input noise current density f 0 = 1 hz - 100 - input noise current 0.1 to 10 hz - 1.9 - pa p-p input voltage range ( note 2 ) ? v- - v+ v common mode rejection ratio (dc) ? 105 120 - db power supply rejection ratio ? 100 120 - db large signal voltage gain ( note 3 )r l = 2 k to v+/2 ? - 112 145 135 - - db db output voltage swing r l = 2 k to v+/2 ( note 4 )r l = 100 k to v+/2 ? (v+ ? 200) (v+ ? 20) - - (v- + 200) (v- + 20) mv mv slew rate r l = 2 k, 100 pf - 0.25 - v/s overload recovery time - 40 - s supply current ? -0 . 5t b dm a chopping frequency - 125 - khz input capacitance differential common mode - - 1.5 10 - - pf pf nv/ hz nv/ hz fa/ hz
cs3013 4 ds736f2 7/29/09 1.2 3 v electrical characteristics v+ = +3 v, 10%; v- = 0v; vcm = 1.5 v; unless otherwise noted, t a = 25o c (see note 5). notes: 5. symbol ? ? ? denotes specification ap plies over -40 to +125 c. 6. this parameter is guaranteed by design and laboratory characterization. 7. guaranteed within the output limit s of (v+ ? 0.2 v) to (v- + 0.2 v). 8. specifies the worst case drive vo ltage relative to the supply rail under stated load conditions. parameter min typ max unit input offset voltage ( note 6 ) ? -1020v average input offset drift ( note 6 ) ? - 0.01 0.05 v/oc input bias current ? - - 110 - 150 1.0 pa na input offset current ? - - 220 - 300 2.0 pa na input noise voltage density r s = 100 , f 0 = 1 hz r s = 100 , f 0 = 1 khz - - 22 22 - - input noise voltage 0.1 to 10 hz - 460 - nv p-p input noise current density f 0 = 1 hz - 100 - input noise current 0.1 to 10 hz - 1.9 - pa p-p input voltage range ( note 6 ) ? v- - v+ v common mode rejection ratio (dc) ? 105 120 - db power supply rejection ratio ? 100 120 - db large signal voltage gain ( note 7 )r l = 2 k to v+/2 ? - 112 145 135 - - db db output voltage swing r l = 2 k to v+/2 ( note 8 )r l = 100 k to v+/2 ? (v+ ? 200) (v+ ? 20) - - (v- + 200) (v- + 20) mv mv slew rate r l = 2 k, 100 pf - 0.25 - v/s overload recovery time - 40 - s supply current ? - 1.0 1.25 ma chopping frequency - 125 - khz input capacitance differential common mode - - 1.5 10 - - pf pf nv/ hz nv/ hz fa/ hz
cs3013 ds736f2 5 7/29/09 1.3 absolute maximum ratings 2. typical performance plots parameter min t yp max unit supply voltage [(v+) ? (v-)] 2.7 - 5.5 v input voltage (v-) ? (0.3) - (v+) + (0.3) v storage temperature range -65 - +150 oc figure 1. noise vs frequency (measured) 1 10 100 1000 0.01 0.1 1 10 frequency (hz) figure 3. gain & phase vs. frequency (2.7 v) 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 2.533.544.555.56 supply voltage (v) supply current (ma) figure 5. supply current vs. supply voltage figure 2. 0.01 hz to 10 hz noise -300 -200 -100 0 100 200 300 012345678910 time (sec) figure 4. gain & phase vs. frequency (5 v) 0.25 0.5 0.75 1.0 -40 -15 10 35 60 85 110 125 temperature (c) supply current (ma) 5v 2.7v figure 6. supply current vs. temperature
cs3013 6 ds736f2 7/29/09 typical performance plots (cont.) -200 -150 -100 -50 v+ v? +50 +100 +150 +200 01234 5 output current (ma) figure 7. voltage swing vs. output current (2.7 v) -200 -150 -100 -50 v+ v? +50 +100 +150 +200 01234 5 output current (ma) +125c -40c +125c + 2 5 c -40c + 2 5 c figure 8. voltage swing vs. output current (5 v)
cs3013 ds736f2 7 7/29/09 3. package drawings inches millimeters dim min max min max a 0.053 0.069 1.35 1.75 a1 0.004 0.010 0.10 0.25 b 0.013 0.020 0.33 0.51 c 0.007 0.010 0.19 0.25 d 0.189 0.197 4.80 5.00 e 0.150 0.157 3.80 4.00 e 0.040 0.060 1.02 1.52 h 0.228 0.244 5.80 6.20 l 0.016 0.050 0.40 1.27 0 8 0 8 jedec # : ms-012 8l soic (150 mil body) package drawing d h e e b a1 a c l seating plane 1
cs3013 8 ds736f2 7/29/09 4. ordering information 5. environmental, manufacturi ng, & handling information * msl (moisture sensitivity level) as specified by ipc/jedec j-std-020. part # temperature range package description cs3013-fsz -40 c to +125 c 8-lead soic, lead free model number peak reflow temp msl rating* max floor life cs3013-fsz 260 c 2 365 days
cs3013 ds736f2 9 7/29/09 6. revision history revision date changes a0 jan 2007 initial release. a1 feb 2007 corrected diagram on p1. f1 aug 2007 updated to ?final? per qpl process. f2 jul 2009 removed lead-containing soic & qfn packages from ordering information.
cs3013 10 ds736f2 7/29/09 contacting cirrus logic support for all product questions and in quiries contact a cirrus logic sales representative. to find one nearest you go to http://www.cirrus.com important notice cirrus logic, inc. and its subsidiaries ("cirrus") believe that the information contained in this document is accurate and reli able. however, the information is subject to change without notice and is provided "as is" without warran ty of any kind (express or implied). customers are advised to ob tain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. all products are sold s ubject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liabil ity. no responsibility is assumed by cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for in fringement of patents or other rights of third parties. this document is the property of cirrus and by furnishing this information, cirrus grants no license, express or impli ed under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual proper ty rights. cirrus owns the copyrights associated with the inf ormation contained herein and gives con- sent for copies to be made of the information only for use within your organization with respect to cirrus integrated circuits or other products of cirrus. this consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. certain applications using semiconductor products may involve potential risks of death, personal injury, or severe prop- erty or environmental damage ("critical applications"). cirr us products are not designed, au thorized or warranted for use in products surgically implanted into the body, automotive safety or security devices, life support products or other crit- ical applications. inclusion of cirrus products in such applic ations is unders tood to be fully at the customer's risk and cirrus disclaims and makes no warranty, express, statutory or implied, including the implied warranties of merchantability and fitness for particular purp ose, with regard to any cirrus product that is used in such a manner. if the customer or customer's customer us es or permits the use of cirrus products in criti cal applications, customer agrees, by such use, to fully indemnify cirrus, its office rs, directors, employees, distributors and other agents from any and all liability, includ- ing attorneys' fees and costs, that may result from or arise in connection with these uses. cirrus logic, cirrus, and the cirrus logic logo designs are trademarks of cirrus logic, inc. all other brand and product names in this document may be trademarks or service marks of their respective owners.
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