ALD2321A/ALD2321B/ALD2321 ULTRA LOW VOS EPAD DUAL CMOS ANALOG VOLTAGE COMPARATOR ADVANCED LINEAR DEVICES, INC.

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1 DVNCED INER DEVICES, INC. D2321/D2321B/D2321 UTR OW VOS EPD DU CMOS NOG VOTGE COMPRTOR GENER DESCRIPTION Th D2321/D2321B/D2321 is a monolithic Prcision Dual Voltag Comparator, ach having intgratd dual complmntary output drivrs. It is constructd using advancd silicon gat CMOS tchnology. Ky faturs of th D2321/D2321B/D2321 includ vry high input impdanc, vry low offst voltag utilizing onchip trim (EPD lctronictrimming) tchnology, flxil multipl output configurations and fast rspons tim with small ovrdriv voltag. It is dsignd for ultra low lvl signal dtction from high impdanc sourcs. For many applications th D2321/D2321B/D2321 can liminat an input amplification stag, a prcision input ias stag, a signal lvl shift stag and an output uffr stag, and do th ntir jo from low lvl input signal dtction to high output drivr all on a singl chip. Th input voltag includs ground, making this voltag comparator idal for singl supply (5V) or dual supply (± 5V) powrd systms. For dual supply applications, GND pin is connctd to th most ngativ supply instad of Ground (V). Th ngativ supply voltag can at any valu twn V and 5V. Each voltag comparator is individually trimmd at th factory for minimum offst voltag at ground voltag potntial, making th D2321/ D2321B/D2321 at its st offst voltag and rady to compar vry low signal lvl voltags at or nar ground potntial. Typically a signal lss than 1mV can rsolvd and dtctd rlialy without rquiring amplification. Snsor or dtctor signals with signal powr as low as 04pW (4 x Watt) can radily dtctd. FETURES Ultra low signal powr of 4fW dtctal Ultra low offst voltag of max. 0.2mV Ultra low input ias currnts of typ. 1p ow supply currnt of 110µ typical Virtually liminats sourc impdanc ffcts ow oprating supply voltag of 4V to 10V Singl (5V) and dual supply (±5V) opration High spd for oth small and larg lvl signals 300ns typical for TT inputs CMOS, NMOS and TT compatil Each comparator has sparat push and pull outputs High output sink currnt typically 50m ow supply currnt spiks Fanout of 30 TT loads PPICTIONS Dual limit window comparator Powr supply voltag monitor Photodtctor snsor circuit Rlay or ED drivr Oscillators Battry opratd instrumnts Rmot signal dtction Each voltag comparator has two complmntary output pins, on for Sourc Output (OUT H ) and th othr for Sink Output (OUT). This dual complmntary output allows maximum circuit dsign flxiility. Th outputs can usd as SinglEndd Drivr, Multipl WIREDOR Outputs, PushPull Outputs or Complmntary Outputs. Th Sink Output can usd as an opn drain output, which has currnt sink capaility of up to 50m. It can also connctd to an xtrnal voltag highr or lowr than V, which provid lvl shift of th output swing lvls from othr than V to GND. Th Sourc Output can sourc up to 2m and can usd to driv th as trminal of an xtrnal NPN ipolar dvic or th gat of a N channl MOSFET dvic. ltrnativly, th two outputs, Sourc Output and ORDERING INFORMTION ( suffix for lad fr vrsion) Oprating Tmpratur Rang * C to 7C C to 7C 55 C to 125 C 16Pin 16Pin 16Pin Small Outlin Plastic Dip CERDIP Packag (SOIC) Packag Packag D2321SC D2321PC D2321DC D2321BSC D2321BPC D2321BDC D2321SC D2321PC D2321DC * Contact factory for ladd (nonrohs) or high tmpratur vrsions. PIN CONFIGURTION OUT OUT 1H IN IN GND 5 12 VE VE N/C * 8 9 SC, PC, DC PCKGES *N/C pins ar connctd intrnally. Do not connct xtrnally. V OUT 2 OUT 2H IN 2 IN 2 VE 21 VE 22 N/C * Rv dvancd inar Dvics, Inc. 415 Tasman Driv, Sunnyval, C Tl: (408) Fax: (408)

2 GENER DESCRIPTION (cont'd) Sink Output, can connctd togthr to form a pushpull output which has th comind output capailitis of oth channls. In th dual complmntary output mod, ach comparator can usd to driv sparat loads. Du to th complmntary natur of th two outputs, only on output is activ at any a givn tim, xcpt for a limitd crossovr tim. Whn OUT (sink output) is activ ON, th OUT pin is sinking currnt and th OUT H pin is OFF and in high impdanc mod. Convrsly, if OUT H pin is ON and sourcing currnt, OUT pin is OFF. To configur pushpull output, simply connct OUT (sink output) pin to OUT H pin. Sinc ach voltag comparator has its own complmntary outputs, ach comparator can configurd to hav a diffrnt output typ. For xampl, on comparator output can connctd as Opn Drain output whil th othr comparator can wird as pushpull output. If usd to driv capacitiv loads, th output DC currnt lvls ar at a vry low lvl, at ssntially lakag currnt lvls, which can a powr saving fatur. Th D2321/D2321B/D2321 can dtct and rsolv vry low voltag lvls at high spd, with littl or no ovrdriv voltag. Compard with othr voltag comparator dvics that rquir 100 mv ovrdriv voltags, or multipl stag circuits that includ input pramp, tc., th D2321/D2321B/D2321 can prform all input to output functions in on dvic with minimal dlay tim and with as low as a 1mV signal. In a printd circuit oard layout, it is suggstd that ths pins, along with no connct (N/C) pins 8 and 9, surroundd with ground tracs to prvnt any possil crosstalk and nois coupling from othr signal sourcs. lthough not rquird for most applications, if ncssary, small valud capacitors of approximatly 1000pF can mountd at ths pins to ground to furthr rduc nois. For information on customizd trimming undr diffrnt iasing and powr supply conditions, plas contact factory. BOCK DIGRM INVERTING INPUT IN 1 (3) NONINVERTING INPUT IN 1 (4) (16) V (7) VE 12 (6) VE 11 (5) GND (2) OUT 1H (1) OUT 1 Th D2321/D2321B/D2321 is supplid with 4 xtrnal trim pins, VE11, VE12, VE21, and VE22. Ths pins ar usd for trimming of th voltag comparator offst voltags at th factory, and normally should lft opn unconnctd. Howvr, in som cass ths pins can usd as positiv/ngativ fdack pins, sinc ths pins hav a positiv/ngativ factor on th offst voltag. For xampl, s TYPIC PPICTIONS sction titld "Voltag Comparator With Output Fdack to Provid Hystrsis." INVERTING INPUT IN 2 (13) NONINVERTING INPUT IN 2 (12) (8) (9) N/C N/C (14) OUT 2H (15) OUT 2 (10) VE 22 (11) VE 21 D2321 PIN IDENTIFICTION PIN # SYMBO FUNCTION SIGN PROPGTION 1 OUT1 COMPRTOR 1 SINK OUTPUT OUTPUT 2 OUT1H COMPRTOR 1 SOURCE OUTPUT OUTPUT 3 IN1 COMPRTOR 1 INVERTING INPUT INPUT 4 IN1 COMPRTOR 1 NONINVERTING INPUT INPUT 5 GND GROUND / V SUPPY 6 VE11 VOS ETrim COMPRTOR 1 INPUT 7 VE12 VOS ETrim COMPRTOR 1 INPUT 8 N/C No Connct/Do Not connct xtrnally 9 N/C No Connct/Do Not connct xtrnally 10 VE22 VOS ETrim COMPRTOR 2 INPUT 11 VE21 VOS ETrim COMPRTOR 2 INPUT 12 IN2 COMPRTOR 2 NONINVERTING INPUT INPUT 13 IN2 COMPRTOR 2 INVERTING INPUT INPUT 14 OUT2H COMPRTOR 2 SOURCE OUTPUT OUTPUT 15 OUT2 COMPRTOR 2 SINK OUTPUT OUTPUT 16 V V SUPPY D2321/D2321B/D2321 dvancd inar Dvics 2 of 11

3 BSOUTE MXIMUM RTINGS Supply voltag, V 10.6V Diffrntial input voltag rang 0.3V to V 0.3V Powr dissipation 600 mw Oprating tmpratur rang PC, SC packags C to 7C DC packag 55 C to 125 C Storag tmpratur rang 65 C to 15C ad tmpratur, 10 sconds 26C OPERTING EECTRIC CHRCTERISTICS T = 25 C V = 5V unlss othrwis spcifid B 2321 Paramtr Symol Min Typ Max Min Typ Max Min Typ Max Unit Tst Conditions Supply VS ±2 ±5 ±2 ±5 ±2 ±5 V Dual Supply Voltag V V Singl Supply Supply Currnt IS µ No oad Currnt Two Comparators Voltag Gain VD V/mV ROD 15K Input Offst Voltag VOS mv ROD 1.5KΩ Input Offst Currnt 1 IOS p Input Bias Currnt 1 IB p Common Mod Input VICR 0.3 V V V 1.5 V Voltag Rang 2 ow vl Sink VO V ISINK = 12m Output Voltag VINPUT = 1V Diffrntial ow vl Sink IO m VO = 1.0 V Output Currnt SINK OUTPUT ON High vl Sourc VOH V ISOURCE = 2m Output Voltag SOURCE OUTPUT ON Sourc Output IH n VOH = V akag Currnt SOURCE OUTPUT OFF Sink Output I n VOUT = 5.0 V akag Currnt SINK OUTPUT OFF Rspons Tim 2 trp µs R = 5.1KΩ, C = 15pF 5mV Input Stp/ 0mV Ovrdriv trp µs R = 5.1KΩ,C =15pF 1mVInput Stp/ 0mV Ovrdriv Common Mod CMRR db VINPUT = 0V to 2.5V Rjction Ratio Powr Supply PSRR db V = 4V to 5V Rjction Ratio Chang of Vos / VExx VOS mv/v VE pins No oad VE Nots: 1 Consists of junction lakag currnts 2 Sampl tst paramtr D2321/D2321B/D2321 dvancd inar Dvics 3 of 11

4 INPUT BIS CURRENT (p) TYPIC PERFORMNCE CHRCTERISTICS SUPPY CURRENT (µ) SUPPY CURRENT vs.temperture V = 5V No oad Two Comparators MBIENT TEMPERTURE ( C) SUPPY CURRENT (µ) SUPPY CURRENT vs. SUPPY VOTGE No oad 160 Two Comparators SUPPY VOTGE (V) T = 55 0 C T = 25 0 C T = C INPUT BIS CURRENT vs. TEMPERTURE V = 5V MBIENT TEMPERTURE ( 0 C) OW EVE OUTPUT VOTGE (V) OW EVE OUTPUT VOTGE vs. TEMPERTURE I SINK = 12m PUT = 1V Diffrntial V = 10V MBIENT TEMPERTURE ( C) V = 3.5V V = 5V OUTPUT STURTION VOTGE (V) STURTION VOTGE vs. SINK CURRENT V = 5V T = 25 0 C T = 25 0 C T = C T = 85 0 C T = 55 0 C OUTPUT SINK CURRENT (m) HIGH EVE OUTPUT CURRENT (n) HIGH EVE OUTPUT VOTGE vs. HIGH EVE OUTPUT EKGE CURRENT V OH = V T = C T = 85 0 C T = 25 0 C HIGH EVE OUTPUT VOTGE (V) D2321/D2321B/D2321 dvancd inar Dvics 4 of 11

5 TYPIC PERFORMNCE CHRCTERISTICS (cont'd) HIGH EVE OUTPUT VOTGE (V) HIGH EVE OUTPUT VOTGE vs. TEMPERTURE V = 4V V = 10V V = 5V I OH = 2m INPUT OFFSET VOTGE (mv) INPUT OFFSET VOTGE vs. TEMPERTURE R = 5.1KΩ V = 2.5V V = 5V MBIENT TEMPERTURE ( C) MBIENT TEMPERTURE ( C) COMMON MODE REJECTION MODE (db) COMMON MODE REJECTION RTIO vs. TEMPERTURE MBIENT TEMPERTURE ( C) V = 5V R = 5.1KΩ OUTPUT VOTGE (V) RESPONSE TIME FOR VRIOUS INPUT OVERDRIVES 6.0 R = 5.1KΩ C = 15pF Input Stp mV mV mV mV 2mV 1mV V = 5V T = 25 0 C TIME (µs) OUTPUT VOTGE (V) RESPONSE TIME FOR VRIOUS INPUT OVERDRIVES 3.0 R = 5.1KΩ 20mV 5mV C = 15pF 2.0 Input Stp 10mV mV 2mV V = 5V T = 25 0 C TIME (µs) 1mV POWER SUPPY REJECTION RTIO (db) POWER SUPPY REJECTION RTIO vs.temperture V = 5V R = 5.1KΩ MBIENT TEMPERTURE ( 0 C) D2321/D2321B/D2321 dvancd inar Dvics 5 of 11

6 TYPIC PERFORMNCE CHRCTERISTICS (cont'd) OUTPUT VOTGE (V) TRNSFER FUNCTION T = 25 C V S = ±6V DIFFERENTI INPUT VOTGE (mv) 2.5 COMMON MODE VOTGE IMITS (V) 0.5 V V COMMON MODE VOTGE REFERRED TO SUPPY VOTGE V S = ± 2.5 V TEMPERTURE ( C) OUTPUT HIGH VOTGE FROM V (V) OUTPUT HIGH VOTGE vs. SUPPY VOTGE OUTPUT OW VOTGE vs. SUPPY VOTGE V V 0.5 V 0.4 V 0.3 V 0.2 V 0.1 T = 25 C I OH = 2m OUTPUT OW VOTGE (V) T = 25 C I O = 12m V SUPPY VOTGE (V) SUPPY VOTGE (V) TYPIC PPICTIONS PRECISION SINGE SUPPY VOTGE COMPRTOR WITH DIRECT REY DRIVER VOTGE COMPRTOR WITH /5V SUPPY ND 5V REY DRIVE V R 5V REY 5V REY 1K 5 D2321/D2321B/D2321 dvancd inar Dvics 6 of 11

7 TYPIC PPICTIONS (cont'd) VOTGE COMPRTOR WITH COMPEMENTRY OUTPUT DRIVERS VOTGE COMPRTOR WITH OUTPUT FEEDBCK TO PROVIDE HYSTERSIS 5V 5V OUT H 5V R oad1 =200Ω 15K V = 1V to 30V R oad2 =1K 2N2222 V R 5V OUT OUT H V E22 R oad 5V 2.2M VOTGE COMPRTOR WITH /5V SUPPY ND OUTPUT EVE SHIFT VOTGE COMPRTOR WITH OUTPUT EVE SHIFT ND HIGH CURRENT OD DRIVER 5V 5V 100K 0.1µF 100K 0.1µF 5V 5V 15K 15K 0 5V 5V 5V R 2 =50 R 1 = 15K 200Ω R oad 4V 66V VOTGE COMPRTOR WITH SINGE SUPPY ND OUTPUT EVE SHIFT VOTGE COMPRTOR WITH COMPEMENTRY OUTPUTS 5V V = 0V to 10V V Q 0 10V V REF 1/2 D2321 Q 1/2 D2321 D2321/D2321B/D2321 dvancd inar Dvics 7 of 11

8 TYPIC PPICTIONS (cont'd) DU IMIT WINDOW COMPRTOR DU IMIT PHOTO DETECTOR MONTOR V Extrnal V V V REF(HIGH) 1/2 D2321 R OD V IMIT2 BUZZER 1/2 D2321 ED V OUT V REF(OW) R OD = 1.5KΩ 1/2 D2321 OUTPUT HIGH FOR <V REF(HIGH) ND > V REF(OW) IGHT PHOTO DETECTOR V IMIT 1 1/2 D2321 ED turns on as photodtctor voltag rachs VIMIT1. Both ED and horn turns on as photodtctor voltag rachsvimit2. VEXTERN= 12V, V = 5V RESPONSE TIME MESUREMENT CIRCUIT Rspons tim is dfind as th intrnal twn th application of an input stp function and th instant whn th output rachs 50% of its maximum valu as masurd y th following tst circuit: 5V OUT 1 PINS OUT1, OUT1H, OUT2, OUT2H, INTERN CIRCUIT CONFIGURTIONS V OUT 2 V 10X INPUT STEP 9KΩ 5.1KΩ OUT OUT 1H OUT 1 OUT 2H OUT 2 1KΩ ETRIM CIRCUIT IN OUT H IN OUT VE 1x * vl Shift/ Scaling Input Offst Trim Circuit VE 2x * vl Shift/ Scaling Input Offst Trim Circuit * Ths pins should isolatd y surrounding thm with ground trac in usr's applications. D2321/D2321B/D2321 dvancd inar Dvics 8 of 11

9 SOIC16 PCKGE DRWING 16 Pin Plastic SOIC Packag E Millimtrs Inchs Dim Min Max Min Max S (45 ) C D D E BSC 50 BSC H ø S S (45 ) H C ø D2321/D2321B/D2321 dvancd inar Dvics 9 of 11

10 PDIP16 PCKGE DRWING 16 Pin Plastic DIP Packag E E1 Millimtrs Inchs Dim Min Max Min Max S D c D16 E E S ø c 1 ø D2321/D2321B/D2321 dvancd inar Dvics 10 of 11

11 CERDIP16 PCKGE DRWING 16 Pin CERDIP Packag Millimtrs Inchs E E 1 Dim Min Max Min Max C D D E E BSC BSC BSC BSC s S Ø C 1 ø D2321/D2321B/D2321 dvancd inar Dvics 11 of 11

QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER

QUAD PRECISION CMOS VOLTAGE COMPARATOR WITH PUSH-PULL DRIVER DVNCD INR DVICS, INC. D43/D43 QUD PRCISION CMOS VOTG COMPRTOR WITH PUSHPU DRIVR GNR DSCRIPTION Th D43/D43 is a monolithic high prformanc quad voltag comparator uilt with advancd silicon gat CMOS tchnology.