MAX292CSA Maxim Integrated Products, MAX292CSA Datasheet

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MAX292CSA

Manufacturer Part Number
MAX292CSA
Description
Active Filter
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX291CSA.pdf (10 pages)

Specifications of MAX292CSA

Number Of Channels
1
Cutoff Frequency
25 KHz
Supply Voltage (max)
11 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Operating Supply Voltage
5 V
Supply Voltage (min)
4.75 V
Package / Case
SOIC-8 Narrow
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
MAX292CSA+
Manufacturer:
MAX
Quantity:
30
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
MAX292CSA+
Manufacturer:
MAXIM/美信
Quantity:
20 000
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 DIP/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.
19-4526; Rev 5; 5/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
CLOCK
Pin Configuration is 8-pin DIP/SO.
INPUT
ADC Anti-Aliasing Filter
Noise Analysis
DAC Post-Filtering
50Hz/60Hz Line-Noise Filtering
8
1
IN
CLK
Typical Operating Circuit
________________________________________________________________ Maxim Integrated Products
6
General Description
MAX29_
7
+5V
-5V
V+
V-
2
OP OUT
OP IN-
Applications
OUT
5
3
4
OUTPUT
Switched-Capacitor Filters
o 8th-Order Lowpass Filters:
o Clock-Tunable Corner-Frequency Range:
o No External Resistors or Capacitors Required
o Internal or External Clock
o Clock to Corner Frequency Ratio:
o Low Noise: -70dB THD + Noise (Typ)
o Operate with a Single +5V Supply or
o Uncommitted Op Amp for Anti-Aliasing or Clock-
o 8-Pin DIP and SO Packages
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
MAX291CPA
MAX291CSA
MAX291CWE
MAX291C/D
MAX291EPA
MAX291ESA
MAX291EWE
MAX291MJA
Butterworth (MAX291/MAX295)
Bessel
0.1Hz to 25kHz (MAX291/MAX292)
0.1Hz to 50kHz (MAX295/MAX296)
100:1 (MAX291/MAX292)
Dual ±5V Supplies
Noise Filtering
16-pin Wide SO at end of data sheet.
50:1 (MAX295/MAX296)
PART
TOP VIEW
8th-Order, Lowpass,
OP OUT
OP IN-
(MAX292/MAX296)
CLK
V-
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
1
2
3
4
Ordering Information
Pin Configurations
DIP/SO
MAX29_
8
7
6
5
8 Plastic DIP
8 SO
16 Wide SO
Dice*
8 Plastic DIP
8 SO
16 Wide SO
8 CERDIP**
PIN-PACKAGE
IN
V+
GND
OUT
Features
1

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MAX292CSA Summary of contents

Page 1

... MAX29_ 1 CLOCK CLK -5V Pin Configuration is 8-pin DIP/SO. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 8th-Order, Lowpass, Switched-Capacitor Filters o 8th-Order Lowpass Filters: Butterworth (MAX291/MAX295) Bessel o Clock-Tunable Corner-Frequency Range: 0.1Hz to 25kHz (MAX291/MAX292) ...

Page 2

Lowpass, Switched-Capacitor Filters ABSOLUTE MAXIMUM RATINGS Supply Voltage (V+ to V-).......................................................12V Input Voltage at Any Pin.............V- + (-0.3V) ≤ V Continuous Power Dissipation 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ...727mW 8-Pin SO (derate 5.88mW/°C above +70°C)................471mW 16-Pin Wide ...

Page 3

ELECTRICAL CHARACTERISTICS (continued) ( -5V, filter output measured at OUT pin, 20kΩ load resistor to ground at OUT and OP OUT, f (MAX291/MAX292 50kHz (MAX295/MAX296), T CLK PARAMETER Output DC Swing Output Offset ...

Page 4

Lowpass, Switched-Capacitor Filters ( -5V +25° 100kHz (MAX291/MAX292 CLK MAX291/MAX295 FREQUENCY RESPONSE 1kHz o -0.1 MAX291 -0.2 -0.3 MAX295 -0.4 -0.5 -0.6 -0.7 0 200 ...

Page 5

V- = -5V 5kΩ +25°C, unless otherwise noted.) LOAD A MAX296 LOW-VOLTAGE FREQUENCY RESPONSE V+ = +2. -2. 20kHz - 2kHz C -16 ...

Page 6

Lowpass, Switched-Capacitor Filters _____________________Pin Description 8-PIN 16-PIN NAME 10, N.C. No Connect 15, 16 Clock Input. Use internal CLK external clock. Negative Supply pin. Dual supplies: -2.375V to ...

Page 7

Figure 2. 8th-Order Ladder Filter Network error on its respective poles, while the same mismatch in a ladder filter design will spread its error over all poles. The MAX291/MAX292/MAX295/MAX296 input impedance ...

Page 8

... Table 2. Typical Harmonic Distortion (dB) Harmonic 2nd 3rd MAX291 -72 -78 Filter MAX292 -71 -82 MAX295 -93 -86 MAX296 -71 -89 8 _______________________________________________________________________________________ _Ordering Information (continued) C1 PART MAX292CPA MAX292CSA MAX292CWE OUTPUT 3 MAX292C/D MAX292EPA MAX292ESA MAX292EWE MAX292MJA MAX295CPA MAX295CSA MAX295CWE MAX295C/D MAX295EPA MAX295ESA MAX295EWE MAX295MJA MAX296CPA MAX296CSA MAX296CWE MAX296C/D MAX296EPA MAX296ESA ...

Page 9

Configurations (continued) TOP VIEW N.C. 1 N.C. 2 CLK 3 V- MAX29_ 4 OP OUT 5 OP IN- 6 N.C. 7 N.C. 8 WIDE SO _______________________________________________________________________________________ 8th-Order, Lowpass, Switched-Capacitor Filters For the latest package outline information and land patterns, ...

Page 10

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products ...

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