MSUF

MSUF MSI | Alldatasheet

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mu . oovt002 Msi e e@ oe oe Resistor Programmable Universal Active Filter Data Sheet Low Power Consumption w The resistor programmable universal active filter is Low Voltage Operation 3.0V to 5.8V e a CMOS chip that can be configured for Lowpass, Low Cost Bandpass, Highpass, Bliptic, Notch or Allpass filters Small Package Size 8 or 16 pin DIP or SOIC = using external resistors. The filters come in one Wide Q Range 0.5 to over 200 "W (8 pin) or two (16 pin) section versions. The Wide Clock to Center/Comer Frequency Range = device is a switched-capacitor filter using a topolo- 25:1 to over 200:1 \\ gy that requires fewer pins and less power con- Accurate Switched-Capacitor Technology A sumption than other switched-capacitor universal N active filters. The clock to corer ratio as well 2 as the Q are set by external resistors. w Depending on the filter type and response, from Applications. S zero to nine external resistors are needed for each a i) section. The sections may be cascaded to realize General Purpose Filtering a higher order filters. Portable Equipment = Instrumentation The devices have a selectable nominal sample to corner ratio of either 50 to 1 or 100 to 1 and come in either a low power version (fo « 3 kHz)or Absolute Maximum Ratings a higher power version (fo « 20 kHz). With device —_—_ current as low as 60 ua per section, the chip is ideal for low power and portable application. The Power Supply Voltage +6V devices are double sampled to reduce the clock fre- Storage Temperature “60 to +150°C quency by @ fector of two. Operating Temperture 0 to 70°C

Ordering Information

Part Number Package Operating Temperature MSU1FIP 8 Pin DIP © - 70 MSU1F1S 8 Pin SOIC 0 - 70 IMSU1F2P 8 Pin DIP 0 - 70 IMSU1F2S 8 Pin SOIC 0 - 70 IMSU1F3P 8 Pin DIP 0 - 70 IMSU1F3S 8 Pin SOIC 0 - 70 MSU1F4P 8 Fin DIP 0 - 70° MSU1F4S 8 Pin SOIC 0 - 70 MSU2F1P 16 Fin DIP 0 - 70 MSU2F1S 16 Fin SOIC 0 - 70°C "Msi Web Site “www.mix-sig.com” ©2002 Mixed Signal Integration 1

“Msi e e °. e, Resistor Programmable Universal Active Filter Data Sheet

2 Electrical Characteristics

WH (VOD = +5v, T+ 25°C) [—~ PARAMETER SYMBOL |CONDITONS MIN TYP MAXjUNITS wg [DC Specifications A [Operating Voltage [| vob [3.05.0 5.5] Vv ma {Supply Current MSU2F1 PWR= I~ MSU2F1 PWR=q500_1000 2004 uA | a MSU1F1/3 50100 200] 1A | > MSU1F2/4 250 500 100d uA | QOutputImpedance_ [| fT 00 Wr [output offset es Oe i~ |AC Specifications N9 [output Swing re es Cee input Impedance ‘in OQ “Mi input imped Zi M "4 Nominal Clock to comer| Fo |MSU2F1 FO=1 | 25 Fo-0 | 50 MSU1F 1/2 ee MSU1F3/4 ee Center/Comer Range MSU2F1 PWR= note (1) Pwr=0[ 20740 7 kHz | MSUIFA/3 MSU1F2/4 20, 40 Clock Input Voltage [| Ckin [0.1 note@2) 5. note(1): the sample to corner ratio is twice the clock to corner ratio note(2): 100mV sine wave clock requires capacitive coupling, and fe:100 kHz Block Diagram CHP HP. c BP1 _ ’ 4 BP 4 CFO1 | CFO2 c > he SCF . SCF R 7 SCFC a *Myi Web Site “www.mix-sig.com” © 2002 Mixed Signal Integration 2

wy . Msi oe oe o e| Resistor Programmable Universal Active Filter Data Sheet Pin Description——__ 2 16Pin 8 Pin wa

1 PWR Power Select Pin 0 = High 1 = Low i~

2 8 VSS Negative Supply, Typically OV for = Single Supply, - 2.5 V for dual supply 7" 3 1 OUT1 Section One Output = 4 5 GND Ground Reference, Typically 2.5V for N Single Supply, OV for dual supply X 5 2 LP1 Section One Lowpass Input 2 6 3 BPN1 Section One Negative Bandpass Input

7 BPP1 Section One Positive Bandpass Input wa

8 4 HP1 Section One High Pass Input i~

9 HP2 Section Two High Pass Input Ny

10 BPP2 Section Two Positive Bandpass Input |

11 BPN2 Section Two Negative Bandpass Input =

12 LP2 Section Two Lowpass Input

13 6 CLK Input Clock, CMOS Level, Typically 0 - 5V for single, supply 0 - 2.5V for dual supply

14 OUT2 Section Two Output

15 FO note 1 Clock to Center/Corner, Select Pin, Low = 50 to 1

High = 25 to1 16 7 VDD Positive Supply, Typically 5V for single supply, 2.5V for dual supply Pin Configuration—___

8 PIN 16PIN pwr 1) | 16 vppa

' vssa | 2 15 bo OUT [1 VSS ouT1 3 14, gyre LP [2 _7| voo GND 4 13 ok ap [3 | '6| CLK up1 8 12 Lp2 HP [4 [5] GND BPN1 6 11 Bon BPP1, 7 10 gpp2 HP1 8 9 | HP2 *Myi Web Site “www.mix-sig.com” © 2002 Mixed Signal Integration 3

Ly . Msi e ° ° e Resistor Programmable Universal Active Filter Data Sheet e MSU2F1 MSU1F2 = x x MH lowpass yes yes ; ; ; SN ma Bandpass yes yes LP . ( ‘ Nf Vout NN Highpass yes yes “ - Ne a Lowpass eliptical yes yes > Highpass eliptical yes yes Notch yes yes a Oscillator yes no S Alipass yes no NY Biguad yes no BP+ —_BP- HP- = A A oge Programming Non-Linearities % Error, fefo Lowpass

7 Hos) = = 097

8 S + @ /08 + a

7 + FolFo=25 ° ° 4 } } Bandpass B31. | | nat —- Fe/Fo=50 o/as | Fe/Fo=100 His)= | ___0g 0 { peta ~ s+ (0/08 + og ro 0 laleled eagauaaeeeeee Highpass 50.0 250 126 63 32 16 08 His) = s 9 gt (o,/28 + 9 Lowpass Elliptic H(s)= 0’ oz)S- +09" § + (0/08 + 0,” REron Q Highpass Elliptic 6 Hs) = St ©/°0"o. ati eer td TT eres Ss * Oo 0 eg tT eer TTT TT ges Notch 0 12 (a7 Allpass 25 29 34 40 46 54 63 73 86 100 Ho) = s- (o/s + %y feo § + 0S + of ®Myi Web Site “www.mix-sig.com” © 2002 Mixed Signal Integration 4

Resistor Programmable Universal Active Filfer NOTE: fe 336 t+ Cy = ic Re Res RI < RI wa For lowpass, lowpass elliptical, NV R2 P i> NON-INVERT e highpass elliptical, allpass and iS HP notch filters. This limitation due LOWPASS BANDPASS = fo the particular ratio of Ry ond Bee VOUT F501 mw (gee Ro and allows realizable values BP. Z vouT }¢o5, 7" oF R3. Other minimum values of + t fc/fo can be obtained by using f Ra . Re = other values of Ry and Ry in the Sre RB \\ basic biquad equations. quad eq! L a aA Ass sion (1) R, Rg; DC Gi Unity Gain) = + = ssumpton (1) Ry = Ry DC Gain = Uni t 2 wa fo VR fe Kr =_Rg fo Te Ky = Ry ¢ x Ry + Re * + Re IS Qa. Ko = Ri . " cacy 2° Re 0 -VKr Ko =_Ra = "2 Ra * Re ky Ry + Re (1) I @ gan other than unity is dosed then (1)Gain may be adjusted independent of G using gain = Ry and Ky from the biquad the resistor divider described by Ks from the Ro biquad equations. Use the Ks equation in equations should be substituted for Ky" place of Kp for the sin equation only where x = 25:1 or 50:1 depending upon the setting of fo. RS a ‘ - — 1p INVERTING Ree + |e BANDPASS ¢ Ri —ieP- vou t fo Ton woe WN RS Ra He ~HIGHPASS Sre + | pe Be: vour |» A f OUT Ra RE Assumption) Rg = Rg; Gain = Unity if for VT te Ky x Ry + Ry Gain = Unity o- Ko’ =__Re ad ie ie fo Me Ky =e (1) For gains not equal to unity. gain = “ Ry + Rg Rq/Rg and Kp” should be replaced with Kp from the biquad equations, a= VK Ko =__Ro kK’ Ry + Re Msi Web Site “www.mix-sig.com” © 2002 Mixed Signal Integration 5

Resistor Programmable Universal Active Filter = iS c . roe wa Ras < Rt Re a1 c w_Re Lp t He = 2 tp ELLIPTICAL [HP OSCILLATOR 7" [0] e+ LOWPASS Bee vouT four bd ap. VouT £ = | eve our Pp a “ “Re N SRe : by af t

2 DC G i} Ur R R2 “ @

ain (1) = Unity, Ry = to- [Re fe Rg = 20 w Vm oTOU® 1 al ro Re (1) fo is dso a function of the feedback coeff = Ry Ny ent defined by Rg and Rg and can vary con- siderably from the calculated value. For a be | a - VK Ka = _ Ro fixed feedback coefficient. fg will not vary by = "e Ra + Re moro than plus or minus 1%. (2) The distortion of the sine wave can be £-fi fo K3 = Rio adjusted by varying this ratio. Ky Ra * Rio (8) where cis 25 or 50 depending upon the (1) For gain other than unity, gain = R1/R2 and setting of fo. KI should be substinuted for KI. The TARE term should also be multipied by the gain (2) where is 25 or 50 depending upon the ting of soting of fo co cS a wa S a1 Roz f Re Rt we | ~ ~ HP " Le Lt, ALLPASS fp ELLIPTICAL pareeaits our se+ HIGHPASS { our + lee Your 7 ~ i ‘our ae R4 > - i Gain = Unity Gain = Unity, Ry = Rp: Ry = Rg: Rg = Rg Wo=“ of a fo = VR. te Ky = R3 er, ae Fg a i + OR acs Fi? RRs > Ry Eras Ko = Re Ke 7a > he Pt a ra Rowe (1) whore cis 25 or 50 depending upon the (1) For this case only, the resistor values Ry and setting of fo. Rp should be determined for f, before the resistor values for fo (Rg) are calculated (2) where mis 25 or 50 depending upon the setting of fo Msi Web Site “www.mix-sig.com’ © 2002 Mixed Signal Integration 6

“Msi e e. e. ry Resistor Programmable Universal Active Filter C+ c+ ao PS Rt Ro S Ri 2 w iP fy Rio | fie = P gp, NOTCH 87/2, BIQUAD " ~ —\\[BP. vout | 4. [RS BP. vout | 4 = ouT bd OUT : fa " at wa NS Re RG > x . = Gain = Unity, Ry = Ro The biquad is the most general purpose filter type. By e adjusting the values of KI through K6, virtually any second fo &. fe Ky = Ry ‘order transfer function can be achieved In some cases, it IN) = — may be necessay to use an inverting op amp to achieve C4 1 * 2R3 the correct polarity on these constants. Pas Ove Ko = Re VOUT = VIN. [ -KgS2 = K4S fe + KgS fe = Kg f2 1 Kp y+ Re = - — 4 4 16 S2 Ky fo + Ky fe? where « = 25:1 or 50:1 depending 4 6 upon the setting of fo nk i. FiRp + FyRg + AQRy Rah + Rah + Reg Ky = Refig Kg = Rg Rahs + Rah + Reg ht Re Kg = Rio Ke = ___RiRg io Pio Rip + Rig + RoRy Mixed Signal Integration Corporation reserves the right to to change any product or specification without notice at any time. Mixed Signal Integration products are not designed or authorized for use in life support systems. Mixed Signal Integration assumes no responsibility for errors in this document. Msi Web Site “www.mix-sig.com’ © 2002 Mixed Signal Integration 7

“Msi e e e e Resistor Programmable Universal Active Filter

2 Mixed Signal Integration

2157F O'Toole Avenue wa San Jose, California 95131-1332 e Phone: (408)-434-6305 "By in western Pennsylvania, West Virginia, _In Mississippi, Alabama, Georgia meg 9, Indiana, Kentucky and Michigan South Carolina, North Carolina, and \\ contact: Tennessee contact: A TechSide Sales Adeptronics BS 4068 Mount Royal Blvd. 9694 Madison Boulevard Suite A-14 Allison Park, Pennsylvania 15101 Madison, Alabama 35758

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Facsimile: 412-492-0780 Facsimile: 256-772-0323 2] In Arizona, Utah, Colorado, Montana, In the San Francisco Bay Area contact In Taiwan contact i~ Wyoming, Idaho, and southern Nevada IN) contact: Nelco Electronix CP Sales Wintek Electronics Co., Ltd SRY 6970S. Holly Circle P.O. Box 944 3F-3, No. 197, Sec 4, Nanking E Road mag Englewood, CO 80112 Soquel, California 95073 Taipei, Taiwan, R.0.C. Telephone: 720-493-9630 Telephone: 831-684-2464 Telephone: 886-2-2712-5025 Facsimile: 720-493-9631 Facsimile: 831-688-2629 Facsimile: 886-2-2717-6960 In Hong Kong and the People's In Korea contact In Singapore, Indonesia and Republic of China contact Malaysia contact Alphatron H.B. Corp. EXER Technologies (S) PTE LTD 2L, Cooke Street/F #1409, Seocho World Officetel, 45 Kaki Bukit Industrial Terrace GIF, Hung Hom 1355-3, Seocho-Dong, Seocho-Ku, Singapore 416125 Kowloon Bay, Hong Kong Seoul, Korea 137-070 Telephone: (65)-6-747-9669 Telephone: 852-2303-1290 Telephone: (02)3472-3450 Facsimile: (65)-6-749-9669 Facsimile: 852-2900-3616 Facsimile: (02)3472-3458 In India contact In Israel contact In the United Kingdom contact: WPI International (1) Pvt. Lid. Phoenix Technologies Ltd. Electronics 2000 Ltd 405, Gateway Plaza 3 Gavish St Unit 4, Falcon Business Park Hiranandani Gardens Kfar-Saba, 44424 Ivanhoe Road, Finchampstead Powai, Bombay 400 076 Israel Wokingham, Berks, RG40 40Q Telephone: 0091 22 570 5093 Telephone: 09-764-4800 Telephone: 44-7074-432000 Facsimile: 0091 22 570 0594 Facsimile: 09-764-4801 Facsimile: 44-7074-432329 Catch our web site at “http:/Avww.mix-sig.com" Send us e-mail at “info@mix-sig.com" STANDARD PRODUCTS MSGEQ5A Five Band Graphic Equalizer MSGEQ7 Seven Band Graphic Equalizer MSHFS1-6 Selectable High Frequency LP/BP Filter MSFS1-6 Selectable Lowpass/Bandpass Filter MSCAHF Selectable High Frequency Active Lowpass/Bandpass Filter MSU1F 1-4, MSU2F1 Resistor Programmable Universal Active Filter MSU1HF1-4, MSU2HF1 High Frequency Resistor Programmable Universal Active Filter MSELP ‘Switched Capacitor Elliptic Lowpass Filter with Op Amps MSNBLP ‘Switched Capacitor Butterworth Lowpass Filter MSLE/B/CSLM ‘Switched Capacitor General Purpose Lowpass Filter MS2LFS Dual Selectable Low Voltage Lowpass/Bandpass Filter MSHN1-6 Selectable High Pass/Notch Filter MSRAAF Resistor Programmable Active Audio Filter MSRAHF Resistor Programmable Active High Frequency Filter MS2CAP ‘Two Channel Audio Processor MS6CAP ‘Six Channel Audio Processor BG a «i 7 : a 7 Msi Web Site “www.mix-sig.com’ © 2002 Mixed Signal Integration 8