MAX7490EEE datasheet(3/18 Pages) MAXIM

tên linh kiện	MAX7490EEE

Giải thích chi tiết về linh kiện	Dual Universal Switched-Capacitor Filters

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Dual Universal Switched-Capacitor Filters

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Clock Input Low

0.5

Clock Duty Cycle

± 5%

SHDN AND EXTCLK

Input High

VIH

VDD - 0.5

Input Low

VIL

0.5

Input Leakage Current

VINPUT = 0 to VDD

±0.4

±10

µA

POWER REQUIREMENTS

Supply Voltage

VDD

4.5

5.5

Power-Supply Current

IDD

No external load, mode 1, R1 = R3 = 50k

Ω,

R2 = 10k

Ω, Q = 5

3.5

4.0

Shutdown Current

ISHDN

SHDN = GND

µA

INTERNAL OP AMPS CHARACTERISTICS

Output Short-Circuit Current

±18

DC Open-Loop Gain

≥ 10kΩ, CL ≤ 50pF

130

Gain Bandwidth Product

GBW

≥ 10kΩ, CL ≤ 50pF

MHz

Slew Rate

≥ 10kΩ, CL ≤ 50pF

6.4

µs

ELECTRICAL CHARACTERISTICS—MAX7490 (continued)

(VDD = EXTCLK = +5V, fCLK = 625kHz, TA = TMIN to TMAX, 10k

Ω || 50pF load to VDD/2 at LP_, BP_, and N_/HP_, SHDN = VDD, 0.1µF

from COM to GND, 50% duty-cycle clock input, COM = VDD/2. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)

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