(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

CLOCK

Internal Oscillator Frequency

fOSC

COSC = 1000pF

(Note 3)

MAX7422/MAX7425

68

87

106

kHz

MAX7423/MAX7424

86

110

135

Clock Output Current

(Internal Oscillator Mode)

ICLK

VCLK = 0 or 5V

MAX7422/MAX7425

68

87

106

kHz

MAX7423/MAX7424

86

110

135

Clock Input High

VIH

2.5

Clock Input Low

VIL

0.5

POWER REQUIREMENTS

Supply Voltage

VDD

2.7

3.6

V

Supply Current

IDD

Operating mode, no

load

MAX7422/MAX7425

2.6

3.4

mA

MAX7423/MAX7424

3.0

3.8

Shutdown Current

ISHDN

SHDN

= GND

0.2

1

μA

Power-Supply Rejection Ratio

PSRR

Measured at DC

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

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Analog Devices │ 4

MAX7418–MAX7425

5th-Order, Lowpass,

Switched-Capacitor Filters

Electrical Characteristics—MAX7422–MAX7425 (continued)