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MAX7400 Datasheet(数据表) 1 Page - Maxim Integrated Products

部件型号  MAX7400
说明  8th-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

MAX7400 Datasheet(HTML) 1 Page - Maxim Integrated Products

  MAX7400 数据表 HTML 1Page - Maxim Integrated Products MAX7400 数据表 HTML 2Page - Maxim Integrated Products MAX7400 数据表 HTML 3Page - Maxim Integrated Products MAX7400 数据表 HTML 4Page - Maxim Integrated Products MAX7400 数据表 HTML 5Page - Maxim Integrated Products MAX7400 数据表 HTML 6Page - Maxim Integrated Products MAX7400 数据表 HTML 7Page - Maxim Integrated Products MAX7400 数据表 HTML 8Page - Maxim Integrated Products MAX7400 数据表 HTML 9Page - Maxim Integrated Products Next Button
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General Description
The MAX7400/MAX7403/MAX7404/MAX7407 8th-order,
lowpass, elliptic, switched-capacitor filters (SCFs) oper-
ate from a single +5V (MAX7400/MAX7403) or +3V
(MAX7404/MAX7407) supply. These devices draw 2mA
of supply current and allow corner frequencies from
1Hz to 10kHz, making them ideal for low-power anti-
aliasing and post-DAC filtering applications. They fea-
ture a shutdown mode that reduces the 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. In addition,
an offset adjustment pin (OS) allows for the adjustment
of the DC output level.
The MAX7400/MAX7404 provide 82dB of stopband
rejection and a sharp rolloff with a transition ratio of 1.5.
The MAX7403/MAX7407 provide a sharper rolloff with a
transition ratio of 1.2, while still delivering 60dB of stop-
band rejection. The fixed response of these devices
simplifies the design task to corner-frequency selection
by setting a clock frequency. The MAX7400/
MAX7403/MAX7404/MAX7407 are available in 8-pin SO
and DIP packages.
Applications
ADC Anti-Aliasing
Speech Processing
Post-DAC Filtering
Air-Bag Electronics
CT2 Base Stations
Features
o 8th-Order Lowpass Elliptic Filter
o Low Noise and Distortion
-82dB THD + Noise (MAX7400)
o Clock-Tunable Corner Frequency (1Hz to 10kHz)
o 100:1 Clock-to-Corner Ratio
o Single-Supply Operation
+5V (MAX7400/MAX7403)
+3V (MAX7404/MAX7407)
o Low Power
2mA (Operating Mode)
0.2µA (Shutdown Mode)
o Available in 8-Pin SO and DIP Packages
o Low Output Offset: ±5mV
8th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
________________________________________________________________
Maxim Integrated Products
1
VDD
IN
CLK
OUT
GND
INPUT
0.1
µF
0.1
µF
CLOCK
SHDN
OUTPUT
VSUPPLY
COM
OS
MAX7400
MAX7403
MAX7404
MAX7407
OS
OUT
VDD
1
2
8
7
CLK
SHDN
IN
GND
COM
SO/DIP
TOP VIEW
3
4
6
5
MAX7400
MAX7403
MAX7404
MAX7407
Typical Operating Circuit
19-4764; Rev 2; 6/99
Ordering Information continued at end of data sheet.
Pin Configuration
Ordering Information
Selector Guide
MAX7407
Elliptic (r = 1.2)
+3
PART
FILTER RESPONSE
OPERATING
VOLTAGE (V)
MAX7403
MAX7400
Elliptic (r = 1.5)
+5
Elliptic (r = 1.2)
+5
MAX7404
Elliptic (r = 1.5)
+3
PART
MAX7400CSA
MAX7400CPA
MAX7400ESA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 SO
8 Plastic DIP
8 SO
MAX7400EPA
-40°C to +85°C
8 Plastic DIP
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.




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