MAX7490-MAX7491 查看數據表（PDF） - Maxim Integrated
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MAX7490-MAX7491 Datasheet PDF : 18 Pages
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Dual Universal Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS—MAX7490 (continued)
(VDD = VEXTCLK = +5V; fCLK = 625kHz; 10kΩ || 50pF load to VDD/2 at LP_, BP_, and N_/HP_; VSHDN = VDD; 0.1µF from COM to
GND; 50% duty-cycle clock input; COM = VDD/2; TA = TMIN to TMAX. Typical values are at TA = +25°C, unless otherwise noted.)
(Note 1)
PARAMETER
Clock Input Low
Clock Duty Cycle
SHDN AND EXTCLK
Input High
Input Low
Input Leakage Current
POWER REQUIREMENTS
Supply Voltage
SYMBOL
VIH
VIL
VDD
Power-Supply Current
IDD
Shutdown Current
ISHDN
INTERNAL OP AMPS CHARACTERISTICS
Output Short-Circuit Current
DC Open-Loop Gain
Gain Bandwidth Product
GBW
Slew Rate
SR
CONDITIONS
MIN TYP
50 ± 5
VDD - 0.5
VINPUT = 0 to VDD
±0.4
4.5
No external load, mode 1, R1 = R3 = 50kΩ,
R2 = 10kΩ, Q = 5
3.5
SHDN = GND
±18
RL ≥ 10kΩ, CL ≤ 50pF
130
RL ≥ 10kΩ, CL ≤ 50pF
7
RL ≥ 10kΩ, CL ≤ 50pF
6.4
MAX
0.5
0.5
±10
5.5
4.0
1
UNITS
V
%
V
V
μA
V
mA
μA
mA
dB
MHz
V/μs
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