vishay siliconix dg304b, dg306b, dg307b document number: 71403 s11-0303-rev. d, 28-feb-11 www.vishay.com 1 cmos analog switches features ? 15 v input range ? fast switching - t on : 110 ns ? low r ds(on) : 30 ? ? single supply operation ? cmos logic levels ? micropower: 30 nw benefits ? full rail-to-rail analog signal range ? low signal error ? wide dynamic range ? low power dissipation applications ? low level switching circuits ? programmable gain amplifiers ? portable and battery powered systems description the dg304b, dg306b and dg307b monolithic cmos switches were designed for applications in communications, instrumentation and process co ntrol. this series is well suited for applications requiring fast switching and nearly flat on-resistance over the entire analog range. designed on the vishay siliconix plus-40 cmos process to achieve low power consumption and excellent on/off switch performance, these switches are ideal for battery powered applications, without sacrificing switching speed. break-before-make switching ac tion is guaranteed, and an epitaxial layer prevents latchup. single supply operation (for positive switch voltage s) is allowed by connecting the v- rail to 0 v. each switch conducts equally well in both directions when on, and blocks up to the supply voltage when off. these switches are cmos input compatible. functional block diagram and pin configuration logic ?0? ? 3.5 v logic ?1? ?? 11 v logic ?0? ? 3.5 v logic ?1? ?? 11 v * pb containing terminations are not rohs compliant, exemptions may apply. truth table logic switch 0off 1on nc v+ d 1 d 2 nc nc s 1 s 2 nc in 2 in 1 nc gnd v- plastic dip 1 2 3 4 5 6 7 14 13 12 11 10 9 8 top view dg304b truth table logic switch 0off 1on nc v+ s 3 s 4 d 3 d 4 d 1 d 2 s 1 s 2 in 1 in 2 gnd v- plastic dip 1 2 3 4 5 6 7 14 13 12 11 10 9 8 top view dg306b
www.vishay.com 2 document number: 71403 s11-0303-rev. d, 28-feb-11 vishay siliconix dg304b, dg306b, dg307b functional block diagram and pin configuration four spst switches per package logic ?0? ? 3.5 v logic ?1? ?? 11 v notes: a. signals on s x , d x , or in x exceeding v+ or v- will be clamped by internal diodes . limit forward diode current to maximum current ratings. b. all leads welded or soldered to pc board. c. derate 11 mw/c above 25 c. s 4 d 2 nc in 2 d 3 s 3 in 1 d 4 v- d 1 s 1 gnd s 2 v+ 1 2 3 4 5 6 7 14 13 12 11 10 9 8 top view plastic dip dg307b truth table logic sw 1 , sw 2 sw 3 , sw 4 0offon 1onoff ordering information temp. range package standard part number lead (pb)-free part number - 40 c to 85 c 14-pin plastic dip dg304bdj dg304bdj-e3 dg306bdj dg306bdj-e3 dg307bdj DG307BDJ-E3 absolute maximum ratings (t a = 25 c, unless otherwise noted) parameter limit unit voltages referenced v+ to v- 44 v gnd 25 digital inputs a , v s , v d (v-) - 2 to (v+) + 2 or 30 ma, whichever occurs first current (any terminal) 30 ma continuous current, s or d (pulsed at 1 ms, 10 % duty cycle max.) 100 storage temperature - 65 to 150 c power dissipation b 14-pin plastic dip c 470 mw
document number: 71403 s11-0303-rev. d, 28-feb-11 www.vishay.com 3 vishay siliconix dg304b, dg306b, dg307b notes: a. refer to process option flowchart. b. room = 25 c, full = as determined by the operating temperature suffix. c. typical values are for design aid only, not guaranteed nor subject to production testing. d. the algebraic convention whereby the most negative value is a minimum and the most pos itive a maximum, is used in this data sheet. e. guaranteed by design, no t subject to production test. f. v in = input voltage to perform proper function. stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indi cated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended per iods may affect device reliability. specifications a parameter symbol test conditions unless otherwise specified v+ = 15 v, v- = - 15 v v in = 3.5 v or 11 v f temp. b limits - 40 c to 85 c unit min. d typ. c max. d analog switch analog signal range e v analog full - 15 15 v drain-source on-resistance r ds(on) v d = 10 v, i s = 10 ma room full 30 50 75 ? source off leakage current i s(off) v s = 14 v, v d = 14 v room full - 5 - 100 0.1 5 100 na drain off leakage current i d(off) room full - 5 - 100 0.1 5 100 drain on leakage current i d(on) v d = v s = 14 v room full - 5 - 200 0.1 5 200 digital control input current with input voltage high i inh v in = 5 v room full - 1 - 0.001 a v in = 15 v room full 0.001 1 input current with input voltage low i inl v in = 0 v room full - 1 - 0.001 dynamic characteristics tu r n - o n t i m e t on see figure 2 room 110 ns turn-off time t off room 70 break-before-make time t open dg305a/307a only, see figure 3 room 50 charge injection q c l = 1 nf, r gen = 0 ? , v gen = 0 v see figure 4 room 30 pc source-off capacitance c s(off) v s , v d = 0 v, f = 1 mhz room 14 pf drain-off capacitance c d(off) room 14 channel-on capacitance c d(on) room 40 input capacitance c in f = 1 mhz v in = 0 v room 6 v in = 15 v room 7 off-isolation oirr v in = 0 v, r l = 1 k ? v s = 1 v rms , f = 500 khz room 62 db crosstalk (channel-to-channel) x ta l k room 74 power supplies positive supply current i+ v in = 15 v or 0 v (all inputs) room full 0.001 100 a negative supply current i- room full - 100 - 0.001
www.vishay.com 4 document number: 71403 s11-0303-rev. d, 28-feb-11 vishay siliconix dg304b, dg306b, dg307b typical characteristics (25 c, unless otherwise noted) r ds(on) vs. v d and power supply leakage currents vs. analog voltage switching time vs. positive supply voltage 100 - 20 - 15 - 10 - 5 0 5 10 15 20 80 60 40 20 0 r ds(on) - drain-source on-resistance ( ? ) 5 v 20 v 7.5 v 10 v 15 v t a = 25 c v d - drain voltage (v) 10 - 15 0 15 0 - 10 - 20 - 30 - 40 (pa) i , i s d - 12 - 9 - 6 - 3 3 6 9 12 i d(on) i d(off) or i s(off) v d or v s - drain or source voltage (v) v+ - positive supply voltage (v) t on (ns) , t off 240 0 5 10 15 200 160 120 80 40 t off t on v- = - 15 v t a = 25 c v inh = 15 v v inl = 0 v r ds(on) vs. v d and + power supply voltage input switching threshold vs. v+ and v- supply voltages switching time vs. negative supply voltage r ds(on) - drain-source on-resistance ( ? ) 100 0 5 10 15 20 80 60 40 20 0 + 20 v + 7.5 v + 10 v t a = 25 c v- = 0 v v d - drain voltage (v) + 15 v v+, v- positive and negative supplies (v) (v) t v 10 0 9 8 7 6 5 4 3 2 1 0 5101520 t a = 25 c t on (ns) , t off v- - negative supply voltage (v) 240 0 - 5 - 10 - 15 200 160 120 80 40 v+ = 15 v t a = 25 c v inh = 15 v v inl = 0 v t off t on
document number: 71403 s11-0303-rev. d, 28-feb-11 www.vishay.com 5 vishay siliconix dg304b, dg306b, dg307b typical characteristics (25 c, unless otherwise noted) schematic diagram (typical channel) test circuits supply currents vs. toggle frequency f - frequency (hz) 1 k 10 k 100 k 1 m i+, i- (ma) 8 6 4 2 0 v+ = 15 v r l = c l = 0 v s = open figure 1. level shift/ drive v in s v+ gnd v- d v- v+ figure 2. switching time v s = 3 v r l r l + r ds(on) v o = v s c l (includes fixture and stray capacitance) v- v+ in s c l 33 pf d 15 v r l 300 ? v o - 15 v gnd + 15 v 50 % 90 % 0 v 0 v 10 % logic input switch output v s v inh t on t off logic "1" = switch on
www.vishay.com 6 document number: 71403 s11-0303-rev. d, 28-feb-11 vishay siliconix dg304b, dg306b, dg307b test circuits notes: a. application hints are for design aid only, not guaranteed and not subject to production testing. figure 3. break-before-make spdt (dg307b) 0 v 50 % 50 % 50 % 0 v 0 v logic input switch output switch output logic "1" = switch on v inh v s1 v s2 v o1 v o2 t bbm v o1 s 2 s 1 d 2 r l2 300 ? c l2 33 pf v+ v o2 v s2 = 3 v in v s1 = 3 v r l1 300 ? c l1 33 pf c l (includes fixture and stray capacitance) v- d 1 - 15 v gnd + 15 v figure 4. charge injection applications hints a v+ positive supply voltag e (v) v - negative supply voltag e (v) gnd voltage (v) v in logic input voltage v inh(min) /v inl(max) (v) v s or v d analog voltage range (v) 15 - 15 0 11/3.5 - 15 to 15 20 - 20 0 11/3.5 - 20 to 20 15 0 0 11/3.5 0 to 15 on off on in x v o ? v o c l 1 nf 3 v v- - 15 v v o gnd v+ r g s v g d in + 15 v q = ? v o x c l
document number: 71403 s11-0303-rev. d, 28-feb-11 www.vishay.com 7 vishay siliconix dg304b, dg306b, dg307b applications vishay siliconix maintains worldwide manufacturing capability. pr oducts may be manufactured at one of several qualified locatio ns. reliability data for silicon technology and package reliability represent a composite of all qualified locations. for related documents such as package/tape drawings, part marking, and reliability data, see www.vishay.com/ppg?71403 . figure 5. low power binary to 10 n gain low frequency amplifier + 15 v - 15 v - 15 v dg304b 10 k ? 10 k ? 10 k ? 10 k ? 100 k ? 1 m ? v in v out a 1 a 0 binary input gain 11 10 01 00 1 10 100 1000 figure 6. low power instrumentation amplifier with digitally selectable inputs and gain - 15 v + 15 v + 15 v + 15 v - 15 v 10 x - 15 v gnd dg307b 1 x cmos logic input select high = v in1 cmos logic gain select high = 10 x v in1 v in2 180 k ? 20 k ? v out
e 1 e q 1 a l a 1 e 1 b b 1 s c e a d 15 max 1234567 14 13 12 11 10 9 8 package information vishay siliconix document number: 71260 05-jul-01 www.vishay.com 1
dim min max min max a 3.81 5.08 0.150 0.200 a 1 0.38 1.27 0.015 0.050 b 0.38 0.51 0.015 0.020 b 1 0.89 1.65 0.035 0.065 c 0.20 0.30 0.008 0.012 d 17.27 19.30 0.680 0.760 e 7.62 8.26 0.300 0.325 e 1 5.59 7.11 0.220 0.280 e 1 2.29 2.79 0.090 0.110 e a 7.37 7.87 0.290 0.310 l 2.79 3.81 0.110 0.150 q 1 1.27 2.03 0.050 0.080 s 1.02 2.03 0.040 0.080 ecn: s-03946?rev. c, 09-jul-01 dwg: 5481
document number: 91 000 www.vishay.com revision: 11-mar-11 1 disclaimer legal disclaimer notice vishay all product, product specifications and data ar e subject to change without notice to improve reliability, function or design or otherwise. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectivel y, vishay), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicab le law, vishay disc laims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, incl uding without limitation specia l, consequential or incidental dama ges, and (iii) any and all impl ied warranties, including warran ties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of pro ducts for certain types of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in gene ric applications. such statements are not binding statements about the suitability of products for a partic ular application. it is the customers responsibility to validate that a particu lar product with the properties described in th e product specification is su itable for use in a particul ar application. parameters provided in datasheets an d/or specifications may vary in different applications and perfo rmance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vishays term s and conditions of purchase, including but not limited to the warranty expressed therein. except as expressly indicated in writing, vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the vishay product co uld result in person al injury or death. customers using or selling vishay products not expressly indicated for use in such applications do so at their own risk and agr ee to fully indemnify and hold vishay and it s distributors harmless from and against an y and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that vis hay or its distributor was negligent regarding the design or manufact ure of the part. please contact authorized vishay personnel t o obtain written terms and conditions regarding products designed fo r such applications. no license, express or implied, by estoppel or otherwise, to any intelle ctual property rights is gran ted by this document or by any conduct of vishay. product names and markings noted herein may be trademarks of their respective owners.
|
