Dual Universal Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS—MAX7490 (continued)
(VDD = EXTCLK = +5V, fCLK = 625kHz, TA = TMIN to TMAX, 10kΩ || 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)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Clock Input Low
0.5
V
Clock Duty Cycle
SHDN AND EXTCLK
50 ± 5
%
Input High
Input Low
Input Leakage Current
POWER REQUIREMENTS
VIH
VIL
VINPUT = 0 to VDD
VDD - 0.5
V
0.5
V
±0.4
±10
µA
Supply Voltage
VDD
4.5
5.5
V
Power-Supply Current
IDD
No external load, mode 1, R1 = R3 = 50kΩ,
R2 = 10kΩ, Q = 5
3.5
4.0
mA
Shutdown Current
ISHDN
INTERNAL OP AMPS CHARACTERISTICS
Output Short-Circuit Current
SHDN = GND
1
µA
±18
mA
DC Open-Loop Gain
Gain Bandwidth Product
Slew Rate
GBW
SR
RL ≥ 10kΩ, CL ≤ 50pF
RL ≥ 10kΩ, CL ≤ 50pF
RL ≥ 10kΩ, CL ≤ 50pF
130
dB
7
MHz
6.4
V/µs
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