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

SHDN

= VDD, fCLK = 2.2MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

(VDD = +3V, filter output measured at OUT pin, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1μF capacitor from COM to GND,

SHDN

= VDD, fCLK = 2.2MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER REQUIREMENTS

Supply Voltage

VDD

4.5

5.5

V

Supply Current

IDD

Operating mode, no

load

MAX7418/MAX7421

2.9

3.6

mA

MAX7418/MAX7421

3.4

4.1

Shutdown Current

ISHDN

SHDN

= GND

0.2

1

μA

Power-Supply Rejection Ratio

PSRR

IN = COM (Note 4)

70

dB

SHUTDOWN

SHDN

Input High

VSDH

4.5

V

SHDN

Input Low

VSDL

0.5

V

SHDN

Input Leakage Current

VSHDN = 0 to VDD

±0.2

±10

μA

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

FILTER CHARACTERISTICS

Corner-Frequency Range

fC

VIN = 2.5Vp-p

(Note 1)

MAX7422/MAX7425

100:1 to 45

kHz

MAX7423/MAX7424

Clock-to-Corner Ratio

fCLK / fC

100:1

Clock-to-Corner Tempco

10

ppm/°C

Output Voltage Range

0.25

VDD - 0.25

V

Output Offset Voltage

VOFFSET VIN = VCOM = VDD / 2

±4

±25

mV

DC Insertion Gain with

Output Offset Removed

VCOM = VDD / 2

(Note 2)

MAX7422/MAX7425

0

0.2

0.4

dB

MAX7423/MAX7424

-0.2

0

+0.2

Total Harmonic Distortion

plus Noise

THD+N

fIN = 2KHz,

VIN = 2.5Vp-p,

measurement

bandwidth = 80kHz

MAX7422

-80

dB

MAX7423

-81

MAX7424

-70

MAX7425

-80

Offset Voltage Gain

AOS

OS to OUT

1

V/V

COM Voltage Range

VCOM

Input, COM externally driven

1.4

1.5

1.6

V

Output, COM internally driven

1.4

1.5

1.6

Input Voltage Range at OS

VOS

Measured with respect to COM

VCOM ±0.1

V

Input Resistance at COM

RCOM

100

140

kΩ

Clock Feedthrough

5

mVp-p

Resistive Output Load Drive

RL

10

1

kΩ

Maximum Capacitive Load at

OUT

CL

50

500

pF

Input Leakage Current at COM

SHDN

= GND, VCOM = 0 to VDD

±0.1

±10

μA

Input Leakage Current at OS

VOS = 0 to VDD

±0.1

±10

μA

www.analog.com

Analog Devices │ 3

MAX7418–MAX7425

5th-Order, Lowpass,

Switched-Capacitor Filters

Electrical Characteristics—MAX7418–MAX7421 (continued)

Electrical Characteristics—MAX7422–MAX7425