Rainbow Electronics MAX7427 - Manual (Page 6)

MAX7426/MAX7427
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(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.)
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
0 1 2 3 4 5
MAX7426
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
MAX7426/27-10
AMPLITUDE (Vp-p)
THD + NOISE (dB)
A
B
SEE TABLE 1.
0 1.0 0.5 1.5 2.0 2.5 3.0
MAX7427
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
MAX7426/27-12
AMPLITUDE (Vp-p)
THD + NOISE (dB)
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
A
B
SEE TABLE 1.
Table 1. THD + Noise Test Conditions
LABEL
f
IN
(Hz)
f
C
(kHz)
A 200 1
B 1k 5
f
CLK
(kHz)
100
500
MEASUREMENT
BANDWIDTH (kHz)
22
80