MAX7401ESA datasheet(3/12 Pages) MAXIM

3 / 12 page

8th-Order, Lowpass, Bessel,

Switched-Capacitor Filters

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ELECTRICAL CHARACTERISTICS—MAX7401 (continued)

(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.)

ELECTRICAL CHARACTERISTICS—MAX7405

(VDD = +3V, 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.)

CONDITIONS

MIN

TYP

MAX

SYMBOL

PARAMETER

Measured at DC

SHDN = GND, CLK driven from 0 to VDD

Operating mode, no load, IN = OS = COM

0.5

VSDL

SHDN Input Low

VDD - 0.5

VSDH

SHDN Input High

PSRR

Power-Supply Rejection Ratio

0.2

I SHDN

Shutdown Current

3.5

Supply Current

IDD

4.5

5.5

VDD

Supply Voltage

µA

UNITS

SHDN Input Leakage Current

V SHDN = 0 to VDD

±0.1

±10

µA

POWER REQUIREMENTS

SHUTDOWN

µA

±0.1

±10

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

Input Leakage Current at OS

µA

±0.1

±10

SHDN = GND, VCOM = 0 to VDD

Input Leakage Current at COM

Maximum Capacitive

Load at OUT

UNITS

kHz

ppm/°C

V/ V

mVp-p

Ω

PARAMETER

SYMBOL

MIN

TYP

MAX

DC Insertion Gain with

Output Offset Removed

-0.1

0.03

0.3

Output Offset Voltage

VOFFSET

±5

±25

Output Voltage Range

0.25

VDD - 0.25

Clock-to-Corner Tempco

Total Harmonic Distortion

plus Noise

THD+N

-84

OS Voltage Gain to OUT

AOS

Corner Frequency

0.001 to 5

Clock-to-Corner Ratio

fCLK/fC

100:1

COM Voltage Range

VCOM

VDD / 2

- 0.1

+ 0.1

Clock Feedthrough

Resistance Output Load Drive

500

CONDITIONS

VCOM = VDD / 2 (Note 2)

VIN = VCOM = VDD / 2

fIN = 200Hz, VIN = 2.5Vp-p,

measurement bandwidth = 22kHz

(Note 1)

Ω

Input Resistance at COM

RCOM

125

COM internally biased or externally driven

Input Voltage Range at OS

VOS

VCOM ±0.1

FILTER CHARACTERISTICS

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