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MAX291CPA+ |MAX291CPAMAXN/a5600avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX291CSA+T |MAX291CSATMAXIMN/a2193avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX291EPA+ |MAX291EPAMAXIMN/a827avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX291ESA+ |MAX291ESAMAXIMN/a1700avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX291ESA+ |MAX291ESAMAXN/a1000avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CPAMAXIM ?N/a30avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CPAMAXIMN/a47avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CPAMAXN/a17avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CSAMAXIM ?N/a5avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CSA+T |MAX292CSATMAXIMN/a5641avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CWEMAXIMN/a53avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292CWE+MAXIMN/a10avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292EPAMAXIM ?N/a14avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292ESAMAXIMN/a10avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292ESA+ |MAX292ESAMAXIMN/a1355avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX292EWEN/a20avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX295CPA+ |MAX295CPAMAXIMN/a1300avai8th-Order, Lowpass, Switched-Capacitor Filters
MAX295EWE+ |MAX295EWEMAXN/a1avai8th-Order, Lowpass, Switched-Capacitor Filters


MAX292CSA+T ,8th-Order, Lowpass, Switched-Capacitor FiltersELECTRICAL CHARACTERISTICS V+ = 5V, V- ' -5V. Wer output measured at OUT pm, 2tyd2 lyad resistor ..
MAX292CWE ,8th-Order, Lowpass, Switched-Capacitor FiltersGeneral Description The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, Iowpass, switch ..
MAX292CWE+ ,8th-Order, Lowpass, Switched-Capacitor FiltersGeneral Description The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, Iowpass, switch ..
MAX292EPA ,8th-Order, Lowpass, Switched-Capacitor FiltersGeneral Description The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, Iowpass, switch ..
MAX292ESA ,8th-Order, Lowpass, Switched-Capacitor FiltersWuan-eDem. 19-4526, Rev J; 12/96 MLABLE “‘1 AV CMGE gym 50 PA
MAX292ESA+ ,8th-Order, Lowpass, Switched-Capacitor FiltersFeatures . eth-Order Lowpass Filters: Butterworth (MAX291IMAX295) Bessel (MAX292/MAX296) . ..
MAX6138CEXR12-T ,0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown VoltagesMAX613819-2090; Rev 2; 4/040.1%, 25ppm, SC70 Shunt Voltage Referencewith Multiple Reverse Breakdown ..
MAX613CPD ,Dual-Slot PCMCIA Analog Power ControllersApplications' Break-Before-Make SwitchingNotebook and Palmtop Computers' VCC Switch ControlPersonal ..
MAX613CSD ,Dual-Slot PCMCIA Analog Power ControllersGeneral Description ________
MAX613CSD ,Dual-Slot PCMCIA Analog Power ControllersFeaturesThe MAX613/MAX614 contain switches for the VPP ' Logic Compatible with Industry-Standard PC ..
MAX614 ,Dual-Slot, PCMCIA Analog Power ControllerApplications' Break-Before-Make SwitchingNotebook and Palmtop Computers' VCC Switch ControlPersonal ..
MAX6141ESA ,SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage ReferencesFeaturesThe MAX6125/MAX6141/MAX6145/MAX6150/MAX6160' 3-Pin SOT23 Package (MAX6125/41/45/50)low-drop ..


MAX291CPA+-MAX291CSA+T-MAX291EPA+-MAX291ESA+-MAX292CPA-MAX292CSA-MAX292CSA+T-MAX292CWE-MAX292CWE+-MAX292EPA-MAX292ESA-MAX292ESA+-MAX292EWE-MAX295CPA+-MAX295EWE+
8th-Order, Lowpass, Switched-Capacitor Filters
2flyll24il2CILAA]
Bithsithder, Lowpass,
Switched-Capacitor Filters
General Description
The MAX291/MAX292/MAX295/MAX296 are easy-to-use,
8th-order. lowpass, switched-capacitor filters that can be
set up with corner frequencies from 0.1Hz to 25kHz
(MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).
The MAX291/MAX295 Butterworth filters provide maxi-
mally flat passband response, and the MAX292/MAX296
Bessel filters provide low overshoot and fast settling. All
four filters have fixed responses, so the design task is
limited to selecting the clock frequency that controls the
filter's corner frequency.
An external capacitor is used to generate a clock using
the internal oscillator, or an external clock signal can be
used. An uncommitted operational amplifier (noninverting
input grounded) is provided for building a continuous-
time lowpass filter for post-filtering or anti-aliasing.
Produced in an 8-pin DlP/SO and a 16-pin wide so
package, and requiring a minimum of external compo-
nents, the MAX291 series delivers very aggressive per-
formance from a tiny area.
Applications
ADC Anti-Aliasing Filter
Noise Analysis
DAC Post-Filtering
50Hz/60Hz Line-Noise Filtering
Typical Operating Circuit
Features
. 8th-Order Lowpass Filters:
Butterworth (MAX291IMAX295)
Bessel (MAX292/MAX296)
. Cloek-Tunable Corner-Frequency Range:
0.1 Hz to 25kHz (MAX291/MAX292)
0.1Hz to 50kHz (MAX295/MAX296)
. No External Resistors or Capacitors Required
. Internal or External Clock
O Clock to Corner-Frequency Ratio:
100:1 (MAX291/MAX292)
50:1 (MAX295/MAX296)
. Low Noise: -70dB THD + Noise (Typ)
. Operate with a Single +5V Supply or
Dual :SV Supplies
. Uncommited Op Amp for Anti-Aliasing or Clock-
Noise Filtering
. 8-Pin DIP and so Packages
Ordering Information
PART TEMP. RANGE PIN-PACKAGE
MAX291CPA 0°C to +70°C 8 Plastic DIP
MAX291CSA tPC to +70°C 8 SO
MAX291CWE 0°C to +70°C 16 Wide so
MAX291C/D tPC to +70°C Dice"
MAX291EPA -40°C to +85°C 8 Plastic DIP
MAX291ESA -40°C to +85°C 8 SO
MAX291EWE -40°C to +85°C 16 Wide so
MAX291MJA -55°C to +125°C 8 CERDIP"
INPUT IN OUT OUTPUT
MAXIM opom 3
MAX29,
(100K cut v OP N
Ordering Infomtatlon continued on last page.
. Contact factory for dice specifications.
I . Contact factory for availability and processing to MIL-STD-883.
Pin configurations
Pin Configuration is 8-pin DIP/SO.
TO VIEW
CLK E El IN
ll- E mgr" it Ve
O OUT E El (mo
opm- cr E] OUT
DIP/SO
16-pin Wide so on last page.
lVl/JXI/l/I
Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim's website at .
QGZXVW/963XVW/ZGZXVWLL GZWW
MAXZQ’ ‘fl/MAXZQZ/MAX295/MAX296
8th-@m7etr, Lowpass,
Swiiitethe6Gapaittnor Filters
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V+ to V-) ....................................................... 12V Operating Temperature Ranges
Input Voltage at Any Pin ............. V- + HLW) s VIN s; V+ + (0.3V) MAX29_C__.. ...................................................... 0°C to +70°C
Continuous Power Dissipation MAX29_E__ .... ...................... -40°C to +85°C
8-Pin Plastic DIP (derate 9.09mWf'C above +70°C) ...727mW MAX29_MJA ........................................... -55°C to +125°C
8-Pin SO (derate 6.88mWf'C above +70°C) ................ 471mW Storage Temperature Range ............................. -65°C to +160°C
16-Pin 1Mde SO (derate 9.52mWf'C above +70°C) ....762mW Lead Temperature (soldering, 10sec) ............................. +300°C
B-Pin CERDIP (derate 8.00mW/°C above +70°C) ........ 640mW
Stresses be nd those listed under "Absolute Maximum Ratings' may cause permanent damage to the device. These are stress tating only, and functional
operation 0 the device at these or any other Conditions beyond those mq/cared irrthe operational sections of the specifications IS not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability,
ELECTRICAL CHARACTERISTICS
(l/t = 5V, V- = -5V. filter output measured at OUT pin, 20kf2 load resistor to ground at OUT and OP OUT, fCLK = 100kHz
MAX291/MAX292) or fCLK = 50kHz (MAX295/MAX296), TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER l CONDITIONS MIN TYP MAX UNITS
FILTER CHARACTERISTICS
Corner-Frequency Range MAX291NAX292 0.1-25k Hz
MAX295/MAX296 0.1-50k
Clock to Corner MAX291/MAX292 100:1
Frequency Ratio MAX295/MAX296 50:1
MAX291 1O
fittJifyoagrpco 'dries 1,0 ppm/T
MAX296 60
M = 0.50 Fo -0.02 -0.1
MAX291 f|N = 1.00 Fo -2.2 -2.7 -3.2
le = 2.00 Fo -43.0 -48.0
le = 3.00 Fo -70.0 -76.0
fiN = 0.25 Fo -0.1 -0.2 -0.3
M = 0.50 Fo -0.6 -0.8 -1.0
MAX292 le = 1.00 Fo -2.7 -3.0 -3.3
M = 2.00 Fo -11.0 -13.0 -15.0
lnsertiqn Gain Relative to M = 3.00 Fo -30.0 -34.0 dB
DC Gain {IN = 4.00 Fo 47.0 -51.0
M = 6.00 Fo -74.0 -78.0
m = 0.50 Fo -0.02 -0.1
MAX295 m = 1.00 Fo -2.2 -2.7 -3.2
fIN = 200 Fo M3.0 -48.0
le = 3.00 Fo -70.0 -76.0
M = 0.25 Fo -0.1 -0.2 -0.3
le = 0.50 Fo 06 -0.8 -1.0
MAX296 fIN = 1.00 Fo -2.7 -3.0 -3.3
fiN = 2.00 Fo -11.0 -13.0 -15.0
fiN = 3.00 Fe -30.0 -34.0
f|N = 4.00 Fo -47.0 -51.O
le = 6.00 Fe -74.0 -78.0
2 MAXIM
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