Rainbow Electronics MAX7407 - Manual (Page 4)

MAX7400/MAX7403/MAX7404/MAX7407
8th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX7404/MAX7407 (continued)
(V DD = +3V, filter output measured at OUT, 10k
Ω
|| 50pF load to GND at OUT, SHDN = V DD , OS = COM, 0.1µF from COM to GND,
f CLK = 100kHz, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T
A
= +25°C.)
ELLIPTIC (r = 1.5) FILTER CHARACTERISTICS—MAX7400/MAX7404
(V DD = +5V for MAX7400, V DD = +3V for MAX7404; filter output measured at OUT; 10k
Ω || 50pF load to GND at OUT; SHDN = V DD ;
V COM = V OS = V DD / 2; f CLK = 100kHz; T A = T MIN to T MAX ; unless otherwise noted. Typical values are at T
A
= +25°C.)
V CLK = 0 or 3V
C OSC = 1000pF (Note 4)
V
CONDITIONS
V DD - 0.5 V IH
µA ±15 ±30 I CLK Clock Input Current
kHz 26 34 43 f OSC Internal Oscillator Frequency
0.5 V IL
Clock Input High
UNITS MIN TYP MAX SYMBOL PARAMETER
SHDN = GND, CLK driven from 0 to V
DD
Operating mode, no load, IN = OS = COM
Measured at DC
µA 0.2 1 I SHDN
mA 2 3.5 I DD Supply Current
V 2.7 3.6 V DD Supply Voltage
60 PSRR
Shutdown Current
Power-Supply Rejection Ratio dB
V DD - 0.5 V SDH
SHDN Input High V
V S HDN = 0 to V DD ±0.1 ±10 SHDN Input Leakage Current µA
V SDL 0.5
Clock Input Low
SHDN Input Low
V
V
CLOCK
POWER REQUIREMENTS
SHUTDOWN
dB
CONDITIONS UNITS MIN TYP MAX PARAMETER
f IN = 0.371f C -0.20 -0.10 0.20
f IN = 0.737f C
f IN = 0.587f C
-0.20 -0.08 0.20
-0.20 0.02 0.20
f IN = 0.940f C
f IN = 0.868f C
-0.20 -0.03 0.20
f IN = 1.000f C
f IN = 0.988f C
-0.20 0.02 0.25
-0.20 0.09 0.25
-0.20 0.06 0.20
f IN = 1.601f C
f IN = 1.500f C
-84 -78
f IN = 4.020f C
f IN = 2.020f C
-85 -78
Insertion Gain Relative to DC Gain
(Note 5)
-83 -78
-82 -75