MAX7480ESA datasheet(2/8 Pages) MAXIM

2 / 8 page

8th-Order, Lowpass, Butterworth,

Switched-Capacitor Filter

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = +5V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF from COM to GND, SHDN =

VDD, fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°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.

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

COSC = 1000pF (Note 4)

VOS = 0 to (VDD - 1V) (Note 3)

SHDN = GND, VCOM = 0 to VDD

(Note 1)

Input, COM externally driven

fIN = 200Hz, VIN = 4Vp-p,

measurement bandwidth = 22kHz

VIN = VCOM = VDD / 2

VCOM = VDD / 2 (Note 2)

CONDITIONS

fOSC

Internal Oscillator Frequency

±0.1

±10

Input Leakage Current at OS

±0.1

±10

Input Leakage Current at COM

500

Resistive Output Load Drive

Clock Feedthrough

125

RCOM

Input Resistance at COM

100:1

fCLK /fC

Clock-to-Corner Ratio

0.001 to 2

Corner Frequency

VCOM

AOS

OS Voltage Gain to OUT

-73

THD+N

Total Harmonic Distortion

plus Noise

Clock-to-Corner Tempco

0.25

VDD - 0.25

Output Voltage Range

±5

±25

VOFFSET

Output Offset Voltage

-0.1

0.15

0.3

DC Insertion Gain with

Output Offset Removed

MIN

TYP

MAX

SYMBOL

PARAMETER

VCLK = 0 or 5V

0.5

VIL

Clock Input Low

VDD - 0.5

VIH

Clock Input High

±24

±40

ICLK

Clock Input Current

µA

kHz

µA

Ω

mVp-p

Ω

V/ V

ppm/°C

kHz

UNITS

Maximum Capacitive Load at

OUT

COM Voltage Range

VDD / 2

VDD / 2 VDD / 2

- 0.5

+ 0.5

VCOM ±0.1

VOS

Input Voltage Range at OS

VDD / 2

VDD / 2 VDD / 2

- 0.2

+ 0.2

FILTER CHARACTERISTICS

CLOCK

Output, COM internally biased

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