Rainbow Electronics MAX7427 - Manual (Page 5)

MAX7426/MAX7427
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
_______________________________________________________________________________________ 5
-70
-60
-40
-50
-10
0
-20
-30
10
0 1 2 3 4 5
FREQUENCY RESPONSE
MAX7426/27-02
INPUT FREQUENCY (kHz)
GAIN (dB)
f C = 1kHz
r = 1.25
Typical Operating Characteristics
(V DD = +5V for MAX7426, V DD = +3V for MAX7427, f CLK = 100kHz, SHDN = V DD , V COM = V OS = V DD / 2, T A = +25°C, unless other-
wise noted.)
-1.0
-0.6
-0.8
0
0.2
-0.2
-0.4
0.4
0 0.2 0.4 0.6 0.8 1.0
PASSBAND FREQUENCY RESPONSE
MAX7426/27-04
INPUT FREQUENCY (kHz)
GAIN (dB)
f C = 1kHz
r = 1.25
-400
-350
-250
-300
-200
-150
-100
-50
0
0 0.2 0.4 0.6 0.8 1.0 1.2
PHASE RESPONSE
MAX7426/27-06
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
f C = 1kHz
r = 1.25
0.70
0.74
0.72
0.78
0.76
0.80
0.82
2.5 3.5 4.0 3.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX7426/27-07
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
0.68
0.72
0.70
0.76
0.74
0.80
0.78
0.82
0.86
0.84
0.88
-60 -20 0 -40 20 40 60 80 100
SUPPLY CURRENT vs. TEMPERATURE
MAX7426/27-08
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
V DD = +5V
V DD = +3V