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features applications description/ordering information typical application circuit tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 low supply current ? 20 m a typ single power supply rail-to-rail common-mode input voltage range push-pull output circuit low input-bias current battery packs for sensing battery voltage mp3 players, digital cameras, pmps cellular phones, pdas, notebook computers test equipment general-purpose low-voltage applications the tlv7256 is a cmos-type general-purpose dual comparator capable of single power-supply operation and using lower supply currents than the conventional bipolar comparators. its push-pull output can connect directly to local ics such as ttl and cmos circuits. ordering information (1) t a package (2) orderable part number top-side marking reel of 3000 TLV7256IDCTR ssop ? dct preview ?40 c to 85 c reel of 250 tlv7256idctt vssop ? ddu reel of 3000 tlv7256iddur yaua (1) for the most current package and ordering information, see the package option addendum at the end of this document, or see the ti web site at www.ti.com. (2) package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. figure 1. threshold detector please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. production data information is current as of publication date. copyright ? 2006?2007, texas instruments incorporated products conform to specifications per the terms of the texas instruments standard warranty. production processing does not necessarily include testing of all parameters. www.ti.com dct or ddu package (top view) 1 8 v cc+ 1out 2 7 2out 1in- 3 6 2in- 1in+ 4 5 2in+ v cc? c1 c2 v out v ref r2 r1 v in v cc
absolute maximum ratings (1) recommended operating conditions tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 over operating free-air temperature range (unless otherwise noted) min max unit v cc supply voltage 1.5 7 v v id differential input voltage v v i input voltage v cc? v cc+ v i o output current 35 ma dct package 220 q ja thermal resistance, juction to ambient (2) c/w ddu package 227 dct package 250 p d power dissipation mw ddu package 200 t a operating free-air temperature range ?40 85 c t stg storage temperature range ?55 125 c (1) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) package thermal impedance is calculated according to jesd 51-7. min max unit v cc supply voltage 1.8 5 v t a operating free-air temperature ?40 85 c 2 submit documentation feedback www.ti.com
electrical characteristics tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 v cc+ = 5 v, v cc? = gnd, t a = 25 c (unless otherwise noted) parameter test conditions t a min typ max unit 25 c 2 7 v io input offset voltage mv ?40 c to 85 c 8 i io input offset current 25 c 2 pa i i input bias current 25 c 4 pa v cm common-mode input voltage 25 c 0 v cc v d v cm = 5 v 25 c 48 65 cmrr common-mode rejection ratio db 0 v cm 5 v ?40 c to 85 c 48 output = high, v in = 5 v 37 51 25 c output = low, v in = 5 v 40 60 output = high, v in = 5 v 61 ?40 c to 85 c output = low, v in = 5 v 70 i cc supply current m a output = high, v in = 2.5 v 20 32 25 c output = low, v in = 2.5 v 26 42 output = high, v in = 2.5 v 40 ?40 c to 85 c output = low, v in = 2.5 v 53 a vd voltage gain v d = 3 v, 1 v v out 4 v 25 c 88 db 25 c 25 33 i sink sink current v ol = 0.5 v ma ?40 c to 85 c 20 25 c 30 35 i source source current v oh = 4.5 v ma ?40 c to 85 c 25 25 c 0.07 0.12 v ol low-level output voltage i sink = 5 ma v ?40 c to 85 c 0.20 25 c 4.9 4.93 v oh high-level output voltage i source = 5 ma v ?40 c to 85 c 4.85 3 submit documentation feedback www.ti.com
electrical characteristics tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 v cc+ = 2.7 v, v cc? = gnd, t a = 25 c (unless otherwise noted) parameter test conditions t a min typ max unit 25 c 2 8 v io input offset voltage mv ?40 c to 85 c 9 i io input offset current 25 c 2 pa i i input bias current 25 c 4 pa v cm common-mode input voltage 25 c 0 v cc v d v cm = 2.7 v 25 c 42 57 cmrr common-mode rejection ratio db 0 v cm 2.7 v ?40 c to 85 c 42 output = high, v in = 2.7 v 30 55 25 c output = low, v in = 2.7 v 36 55 output = high, v in = 2.7 v 65 ?40 c to 85 c output = low, v in = 2.7 v 65 i cc supply current m a output = high, v in = 1.35 v 30 48 25 c output = low, v in = 1.35 v 35 55 output = high, v in = 1.35 v 55 ?40 c to 85 c output = low, v in = 1.35 v 65 a vd voltage gain v d = 1.7 v, 0.5 v v out 2.2 v 25 c 88 db 25 c 13 18 i sink sink current v ol = 0.5 v ma ?40 c to 85 c 11 25 c 15 20 i source source current v oh = 2.2 v ma ?40 c to 85 c 13 25 c 0.11 0.16 v ol low-level output voltage i sink = 5 ma v ?40 c to 85 c 0.19 25 c 2.54 2.60 v oh high-level output voltage i source = 5 ma v ?40 c to 85 c 2.45 4 submit documentation feedback www.ti.com
electrical characteristics tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 v cc+ = 1.8 v, v cc? = gnd, t a = 25 c (unless otherwise noted) parameter test conditions t a min typ max unit 25 c 2 8 v io input offset voltage mv ?40 c to 85 c 9 i io input offset current 25 c 2 pa i i input bias current 25 c 4 pa v cm common-mode input voltage 25 c 0 v cc ? 0.3 v d v cm = 5 v 25 c 40 55 cmrr common-mode rejection ratio db 0 v cm 5 v ?40 c to 85 c 40 output = high, v in = 1.8 v 30 55 25 c output = low, v in = 1.8 v 33 47 output = high, v in = 1.8 v 60 ?40 c to 85 c output = low, v in = 1.8 v 51 i cc supply current m a output = high, v in = 0.9 v 20 32 25 c output = low, v in = 0.9 v 25 37 output = high, v in = 0.9 v 34 ?40 c to 85 c output = low, v in = 0.9 v 40 a vd voltage gain v d = 1.1 v, 0.4 v v out 1.5 v 25 c 88 db 25 c 6 9 i sink sink current v ol = 0.5 v ma ?40 c to 85 c 5 25 c 5 9 i source source current v oh = 2.2 v ma ?40 c to 85 c 4 25 c 0.2 0.34 v ol low-level output voltage i sink = 5 ma v ?40 c to 85 c 0.39 25 c 1.3 1.6 v oh high-level output voltage i source = 5 ma v ?40 c to 85 c 1.2 5 submit documentation feedback www.ti.com
switching characteristics switching characteristics tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 v cc+ = 5 v, v cc? = gnd, t a = 25 c (unless otherwise noted) parameter test conditions typ unit overdrive = 100 mv 680 t plh propagation delay time (turn on) ns ttl step input 500 overdrive = 100 mv 250 t phl propagation delay time (turn off) ns ttl step input 380 t tlh 60 response time overdrive = 100 mv ns t thl 8 v cc+ = 3 v, v cc? = gnd, t a = 25 c (unless otherwise noted) parameter test conditions typ unit t plh propagation delay time (turn on) overdrive = 100 mv 550 ns t phl propagation delay time (turn off) overdrive = 100 mv 250 ns t tlh 30 response time overdrive = 100 mv ns t thl 8 6 submit documentation feedback www.ti.com
typical characteristics tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 supply current supply current supply current vs vs vs frequency frequency frequency v cc = 5 v v cc = 2.7 v v cc = 1.8 v supply current supply current supply current vs vs vs common-mode voltage common-mode voltage common-mode voltage v cc = 2.5 v v cc = 1.35 v v cc = 0.9 v propagation delay time, propagation delay time, propagation delay time, high to low high to low high to low v cc = 5 v v cc = 2.7 v v cc = 1.8 v 7 submit documentation feedback 0 5 10 15 20 25 30 35 40 45 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 v cm C common-mode voltage C v i cc C supply current C a 0 5 10 15 20 25 30 35 40 45 -3 -2 -1 0 1 2 3 v cm C common-mode voltage C v i cc C supply current C a 500 ns/div 1 v/div od = 100 mv od = 10 mv input www.ti.com 500 ns/div 1 v/div od = 100 mv od = 10 mv input 1 10 100 1000 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 f C frequency C hz i cc C supply current C a 1 10 100 1k 10k 100k 1m 1 10 100 1000 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 f C frequency C hz i cc C supply current C a 1 10 100 1k 10k 100k 1m 500 ns/div 1 v/div od = 100 mv od = 10 mv input 1 10 100 1000 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 f C frequency C hz i cc C supply current C a 1 10 100 1k 10k 100k 1m 0 5 10 15 20 25 30 35 40 45 -1.5 -1 -0.5 0 0.5 1 1.5 v cm C common-mode voltage C v i cc C supply current C a
tlv7256 dual comparator slcs147a ? october 2006 ? revised january 2007 typical characteristics (continued) propagation delay time, propagation delay time, propagation delay time, low to high low to high low to high v cc = 5 v v cc = 2.7 v v cc = 1.8 v 8 submit documentation feedback 500 ns/div 1 v/div od = 100 mv od = 10 mv input www.ti.com 500 ns/div 1 v/div od = 100 mv od = 10 mv input 500 ns/div 1 v/div od = 100 mv od = 10 mv input
package option addendum www.ti.com 24-jan-2013 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) op temp (c) top-side markings (4) samples tlv7256iddur active vssop ddu 8 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 yaua tlv7256iddurg4 active vssop ddu 8 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 yaua (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. -- the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) only one of markings shown within the brackets will appear on the physical device. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis.
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tlv7256iddur vssop ddu 8 3000 180.0 8.4 2.25 3.35 1.05 4.0 8.0 q3 package materials information www.ti.com 26-jan-2013 pack materials-page 1
*all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) tlv7256iddur vssop ddu 8 3000 202.0 201.0 28.0 package materials information www.ti.com 26-jan-2013 pack materials-page 2

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