Purchase MAX7425, In-stock MAX7425 From SeekIC.
Part Number: MAX7425
Description: The MAX7418MAX7425 5th-order, low-pass, switchedcapacitor filters (SCFs) operate from a single +5V (MA...
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MAX7425
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DataSheet
General Description
MAX7425 General Description
The MAX7418MAX7425 5th-order, low-pass, switchedcapacitor filters (SCFs) operate from a single +5V (MAX7418MAX7421) or +3V (MAX7422MAX7425) supply. These devices draw only 3mA of supply current and allow corner frequencies from 1Hz to 45kHz, making them ideal for low-power post-DAC filtering and antialiasing applications. They feature a shutdown mode that reduces supply current to 0.2A.
Two clocking options are available: 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 output level.
The MAX7418/MAX7422 deliver 53dB of stopband rejection and a sharp rolloff with a 1.6 transition ratio. The MAX7421/MAX7425 achieve a sharper rolloff with a 1.25 transition ratio while still providing 37dB of stopband rejection. The MAX7419/MAX7423 Bessel filters provide low overshoot and fast settling, and the MAX7420/MAX7424 Butterworth filters provide a maximally flat passband response. Their fixed response simplifies the design task of selecting a clock frequency.
MAX7425 Maximum Ratings
ABSOLUTE MAXIMUM RATINGS
VDD to GND..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK, SHDN ................-0.3V to (VDD + 0.3V)
OUT Short-Circuit Duration.......................................................1s
Continuous Power Dissipation (TA = +70°C)
8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW
Operating Temperature Ranges
MAX74 _ _C_A ...................................................0°C to +70°C
MAX74 _ _E_A ................................................-40°C to +85°C
Junction Temperature...................................................+150°C
Storage Temperature Range .......................-65°C to +160°C
Lead Temperature (soldering, 10s) .............................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX7425 Features
5th-Order, Lowpass Filters
Elliptic Response (MAX7418/MAX7421/
MAX7422/MAX7425)
Bessel Response (MAX7419/MAX7423)
Butterworth Response (MAX7420/MAX7424)
Clock-Turnable Corner Frequency (1Hz to 45kHz)
Single-Supply Operation
+5V (MAX7418MAX7421)
+3V (MAX7422MAX7425)
Low Power
3mA (Operating Mode)
0.2A (Shutdown Mode)
Available in 8-Pin MAX Package
Low Output Offset: ±4mV
Elliptic Response (MAX7418/MAX7421/
MAX7422/MAX7425)
Bessel Response (MAX7419/MAX7423)
Butterworth Response (MAX7420/MAX7424)
Clock-Turnable Corner Frequency (1Hz to 45kHz)
Single-Supply Operation
+5V (MAX7418MAX7421)
+3V (MAX7422MAX7425)
Low Power
3mA (Operating Mode)
0.2A (Shutdown Mode)
Available in 8-Pin MAX Package
Low Output Offset: ±4mV
MAX7425 Typical Application
ADC Anti-Aliasing
CT2 Base Stations
DAC Postfiltering
Speech Processing
MAX7425 Connection Diagram
MAX7425
PDF/DataSheet Download
- Datasheet: MAX7425
- File Size: 417653 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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MAX7425 Relative Products
MAX7424EUA+T
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