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Part Number: MAX7480
Description: The MAX7480 8th-order, lowpass, Butterworth, switched-capacitor filter (SCF) operates from a single +5...
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MAX7480
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DataSheet
General Description
MAX7480 General Description
The MAX7480 8th-order, lowpass, Butterworth, switched-capacitor filter (SCF) operates from a single +5V supply. The device draws only 2.9mA of supply current and allows corner frequencies from 1Hz to 2kHz, making it ideal for low-power post-DAC filtering and anti-aliasing applications. The MAX7480 features a shutdown mode, which reduces the 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 MAX7480 Butterworth filter provides a maximallyflat passband response. The fixed response simplifies the design task to selecting a clock frequency.
MAX7480 Maximum Ratings
VDD to GND..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK ...............................-0.3V to (VDD + 0.3V)
SHDN........................................................................-0.3V to +6V
OUT Short-Circuit Duration...................................................1sec
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin DIP (derate 9.09mW/°C above +70°C)...............727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10sec) ...............................+300°C
IN, OUT, COM, OS, CLK ...............................-0.3V to (VDD + 0.3V)
SHDN........................................................................-0.3V to +6V
OUT Short-Circuit Duration...................................................1sec
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin DIP (derate 9.09mW/°C above +70°C)...............727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10sec) ...............................+300°C
MAX7480 Features
` 8th-Order, Lowpass Butterworth Filter
` Low Noise and Distortion: -73dB THD + Noise
` Clock-Tunable Corner Frequency (1Hz to 2kHz)
` 100:1 Clock-to-Corner Ratio
` +5V Single-Supply Operation
` Low Power
2.9mA (Operating Mode)
0.2A (Shutdown Mode)
` Available in 8-Pin SO/DIP Package
` Low Output Offset: ±5mV
` Low Noise and Distortion: -73dB THD + Noise
` Clock-Tunable Corner Frequency (1Hz to 2kHz)
` 100:1 Clock-to-Corner Ratio
` +5V Single-Supply Operation
` Low Power
2.9mA (Operating Mode)
0.2A (Shutdown Mode)
` Available in 8-Pin SO/DIP Package
` Low Output Offset: ±5mV
MAX7480 Typical Application
·ADC Anti-Aliasing
·Post-DAC Filtering
·Post-DAC Filtering
MAX7480 Connection Diagram
MAX7480
PDF/DataSheet Download
- Datasheet: MAX7480
- File Size: 89159 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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