Rainbow Electronics MAX7480 - Manual (Page 5)

MAX7480
8th-Order, Lowpass, Butterworth,
Switched-Capacitor Filter
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Typical Operating Characteristics (continued)
(V DD = +5V, f CLK = 100kHz, SHDN = V DD , V COM = V OS = V DD / 2, T A = +25°C, unless otherwise noted.)
0.97
1
0.99
0.98
1.01
1.02
1.03
-40 20 0 -20 40 60 80 100
NORMALIZED OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX7480 toc10
TEMPERATURE (°C)
NORMALIZED OSCILLATOR FREQUENCY
C OSC = 530pF
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
0 1.0 1.5 2.0 0.5 2.5 3.0 3.5 4.0 4.5 5.0
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
MAX7480 toc11
AMPLITUDE (Vp-p)
THD+N (dB)
NO LOAD
(SEE TABLE A)
A
B
Table A. THD+N vs. Input Signal
Amplitude Test Conditions
22
22
MEASUREMENT
BANDWIDTH (kHz)
100
200
f CLK
(kHz)
1 200 B
2 400 A
f C
(kHz)
f IN
(Hz)
TRACE