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MAX7401 Datasheet(数据表) 1 Page - Maxim Integrated Products

部件型号  MAX7401
说明  8th-Order, Lowpass, Bessel, 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

MAX7401 Datasheet(HTML) 1 Page - Maxim Integrated Products

  MAX7401 数据表 HTML 1Page - Maxim Integrated Products MAX7401 数据表 HTML 2Page - Maxim Integrated Products MAX7401 数据表 HTML 3Page - Maxim Integrated Products MAX7401 数据表 HTML 4Page - Maxim Integrated Products MAX7401 数据表 HTML 5Page - Maxim Integrated Products MAX7401 数据表 HTML 6Page - Maxim Integrated Products MAX7401 数据表 HTML 7Page - Maxim Integrated Products MAX7401 数据表 HTML 8Page - Maxim Integrated Products MAX7401 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 MAX7401/MAX7405 8th-order, lowpass, Bessel,
switched-capacitor filters (SCFs) operate from a single
+5V (MAX7401) or +3V (MAX7405) supply. These
devices draw only 2mA of supply current and allow cor-
ner frequencies from 1Hz to 5kHz, making them ideal
for low-power post-DAC filtering and anti-aliasing appli-
cations. They feature a shutdown mode that reduces
supply current to 0.2µA.
Two clocking options are available on these devices:
self-clocking (through the use of an external capacitor)
or external clocking for tighter corner-frequency control.
An offset adjust pin allows for adjustment of the DC out-
put level.
The MAX7401/MAX7405 Bessel filters provide low over-
shoot and fast settling. Their fixed response simplifies
the design task to selecting a clock frequency.
Applications
ADC Anti-Aliasing
CT2 Base Stations
Post-DAC Filtering
Speech Processing
Air-Bag Electronics
Features
o 8th-Order, Lowpass Bessel Filters
o Low Noise and Distortion: -82dB THD + Noise
o Clock-Tunable Corner Frequency (1Hz to 5kHz)
o 100:1 Clock-to-Corner Ratio
o Single-Supply Operation
+5V (MAX7401)
+3V (MAX7405)
o Low Power
2mA (Operating Mode)
0.2µA (Shutdown Mode)
o Available in 8-Pin SO/DIP Packages
o Low Output Offset: ±5mV
8th-Order, Lowpass, Bessel,
Switched-Capacitor Filters
________________________________________________________________
Maxim Integrated Products
1
OS
OUT
VDD
1
2
8
7
CLK
SHDN
IN
GND
COM
SO/DIP
TOP VIEW
3
4
6
5
MAX7401
MAX7405
VDD
IN
CLK
OUT
GND
INPUT
0.1
µF
0.1
µF
CLOCK
SHDN
OUTPUT
VSUPPLY
COM
OS
MAX7401
MAX7405
Typical Operating Circuit
19-4788; Rev 1; 6/99
Pin Configuration
Ordering Information
PART
MAX7401CPA
MAX7401ESA
MAX7401EPA
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
8 Plastic DIP
MAX7405CSA
MAX7405CPA
MAX7405ESA
MAX7405EPA
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
8 SO
8 Plastic DIP
8 SO
8 Plastic DIP
MAX7401CSA
0°C to +70°C
8 SO




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