MAX7412 datasheet(3/12 Pages) MAXIM

Part #	MAX7412

Description	5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

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Manufacturer	MAXIM [Maxim Integrated Products]

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5th-Order, Lowpass, Elliptic,

Switched-Capacitor Filters

_______________________________________________________________________________________

3

5th-Order, Lowpass, Elliptic,

Switched-Capacitor Filters

ELECTRICAL CHARACTERISTICS—MAX7408/MAX7411 (continued)

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

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

ELECTRICAL CHARACTERISTICS—MAX7412/MAX7415

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

GND, 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

Operating mode, no load

0.5

VSDL

SHDN Input Low

4.5

VSDH

SHDN Input High

70

PSRR

Power-Supply Rejection Ratio

0.2

1

ISHDN

Shutdown Current

1.16

1.5

Supply Current

IDD

4.5

5.5

VDD

Supply Voltage

V

dB

µA

mA

V

UNITS

SHDN Input Leakage Current

VSHDN = 0 to VDD

±0.2

±10

µA

VOS

Input Voltage Range at OS

110

180

RCOM

Input Resistance at COM

k

Ω

(Note 1)

TA = +25°C

Measured with respect to COM

OS to OUT

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

measurement bandwidth = 22kHz

VIN = VCOM = VDD / 2

VCOM = VDD / 2 (Note 2)

CONDITIONS

50

500

CL

10

1

RL

Resistance Output Load Drive

3

Clock Feedthrough

±0.1

VDD

- 0.1

VDD

+ 0.1

2

VCOM

COM Voltage Range

100:1

fCLK/fC

Clock-to-Corner Ratio

0.001 to 15

fC

Corner-Frequency Range

1

AOS

Offset Voltage Gain

-79

THD+N

Total Harmonic Distortion plus

Noise

10

Clock-to-Corner Tempco

0.25

VDD - 0.25

Output Voltage Range

±4

±25

VOFFSET

Output Offset Voltage

0

0.2

0.4

DC Insertion Gain with Output

Offset Removed

MIN

TYP

MAX

SYMBOL

PARAMETER

pF

k

Ω

mVp-p

V

V/V

dB

mV

V

ppm/°C

kHz

UNITS

Maximum Capacitive Load

at OUT

Input Leakage Current at COM

SHDN = GND, VCOM = 0 to VDD

±0.2

±10

µA

Input Leakage Current at OS

VOS = 0 to VDD

±0.2

±10

µA

POWER REQUIREMENTS

SHUTDOWN

FILTER CHARACTERISTICS

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