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MAX7408 Datasheet(数据表) 1 Page - Maxim Integrated Products

部件型号  MAX7408
说明  5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
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制造商  MAXIM [Maxim Integrated Products]
网页  http://www.maxim-ic.com
标志 MAXIM - Maxim Integrated Products

MAX7408 Datasheet(HTML) 1 Page - Maxim Integrated Products

  MAX7408 数据表 HTML 1Page - Maxim Integrated Products MAX7408 数据表 HTML 2Page - Maxim Integrated Products MAX7408 数据表 HTML 3Page - Maxim Integrated Products MAX7408 数据表 HTML 4Page - Maxim Integrated Products MAX7408 数据表 HTML 5Page - Maxim Integrated Products MAX7408 数据表 HTML 6Page - Maxim Integrated Products MAX7408 数据表 HTML 7Page - Maxim Integrated Products MAX7408 数据表 HTML 8Page - Maxim Integrated Products MAX7408 数据表 HTML 9Page - Maxim Integrated Products Next Button
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For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX7408/MAX7411/MAX7412/MAX7415 5th-order,
lowpass, elliptic, switched-capacitor filters (SCFs) oper-
ate from a single +5V (MAX7408/MAX7411) or +3V
(MAX7412/MAX7415) supply. The devices draw only
1.2mA of supply current and allow corner frequencies
from 1Hz to 15kHz, making them ideal for low-power
post-DAC filtering and anti-aliasing applications. They
can be put into a low-power mode, reducing supply
current to 0.2µA.
Two clocking options are available: self-clocking (through
the use of an external capacitor) or external clocking for
tighter cutoff-frequency control. An offset-adjust pin
allows for adjustment of the DC output level.
The MAX7408/MAX7412 deliver 53dB of stopband
rejection and a sharp rolloff with a transition ratio of 1.6.
The MAX7411/MAX7415 achieve a sharper rolloff with a
transition ratio of 1.25 while still providing 37dB of stop-
band rejection. Their fixed response limits the design
task to selecting a clock frequency.
Applications
ADC Anti-Aliasing
CT2 Base Stations
Post-DAC Filtering
Speech Processing
Features
o 5th-Order, Elliptic Lowpass Filters
o Low Noise and Distortion: -80dB THD + Noise
o Clock-Tunable Corner Frequency (1Hz to 15kHz)
o Single-Supply Operation
+5V (MAX7408/MAX7411)
+3V (MAX7412/MAX7415)
o Low Power
1.2mA (operating mode)
0.2µA (shutdown mode)
o Available in 8-Pin µMAX/DIP Packages
o Low Output Offset: ±4mV
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
________________________________________________________________
Maxim Integrated Products
1
OS
OUT
VDD
1
2
8
7
CLK
SHDN
IN
GND
COM
µMAX/DIP
TOP VIEW
3
4
6
5
MAX7408
MAX7411
MAX7412
MAX7415
VDD
IN
CLK
OUT
GND
INPUT
0.1
µF
0.1
µF
CLOCK
SHDN
OUTPUT
COM
OS
MAX7408
MAX7411
MAX7412
MAX7415
VSUPPLY
Typical Operating Circuit
19-1378; Rev 1; 10/98
Pin Configuration
Ordering Information
PART
MAX7408CPA
MAX7408CUA
MAX7408EPA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 µMAX
8 Plastic DIP
MAX7408EUA
MAX7415CPA
MAX7415CUA
MAX7415EPA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
8 µMAX
8 Plastic DIP
8 µMAX
8 Plastic DIP
MAX7415EUA
-40°C to +85°C
8 µMAX
PART
TRANSITION RATIO
OPERATING
VOLTAGE (V)
MAX7408
r = 1.6
+5
MAX7411
r = 1.25
+5
Selector Guide
MAX7412
r = 1.6
+3
MAX7415
r = 1.25
+3
MAX7411CPA
MAX7411CUA
MAX7411EPA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
8 Plastic DIP
8 µMAX
8 Plastic DIP
MAX7411EUA
-40°C to +85°C
8 µMAX
MAX7412CPA
MAX7412CUA
MAX7412EPA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
8 Plastic DIP
8 µMAX
8 Plastic DIP
MAX7412EUA
-40°C to +85°C
8 µMAX




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