Rainbow Electronics MAX7415 - Manual (Page 7)

MAX7408/MAX7411/MAX7412/MAX7415
5th-Order, Lowpass,
Elliptic, Switched-Capacitor
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0
40
20
80
60
100
120
0 1500 2000 500 1000 2500 3000 3500
INTERNAL OSCILLATOR PERIOD
vs. SMALL CAPACITANCE (in pF)
MAX7408/11-13
CAPACITANCE (pF)
OSCILLATOR PERIOD (
µ s)
V
DD
= +5V
V DD = +3V
25.5
26.0
27.0
26.5
27.5
28.0
-50 -10 10 -30 30 50 70 90 110
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX7408/11-16
TEMPERATURE (°C)
OSCILLATOR FREQUENCY (kHz)
V DD = +3V
C OSC = 1000pF
V DD = +5V
0
4
2
8
6
10
12
0 150 200 50 100 250 300 350
INTERNAL OSCILLATOR PERIOD
vs. LARGE CAPACITANCE (in nF)
MAX7408/11-14
CAPACITANCE (nF)
OSCILLATOR PERIOD (ms)
V DD = +5V
V DD = +3V
26.6
26.8
26.7
27.0
26.9
27.3
27.2
27.1
27.4
2.0 3.0 2.5 3.5 4.0 4.5 5.0 5.5
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX7408/11-15
SUPPLY VOLTAGE
OSCILLATOR FREQUENCY (kHz)
C OSC = 1000pF
-3.5
-2.5
-3.0
-1.5
-2.0
-0.5
-1.0
0
-40 0 20 -20 40 60 80 100
DC OFFSET VOLTAGE
vs. TEMPERATURE
MAX7408/11-17
TEMPERATURE (°C)
DC OFFSET VOLTAGE (mV)
V DD = +3V
V DD = +5V
-4.0
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
2.5 3.5 3.0 4.0 4.5 5.0 5.5
DC OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
MAX7408/11-18
SUPPLY VOLTAGE (V)
DC OFFSET VOLTAGE (mV)
Typical Operating Characteristics (continued)
(V DD = +5V for MAX7408/MAX7411, V DD = +3V for MAX7412/MAX7415; f CLK = 100kHz; SHDN = V DD ; V COM = V OS = V DD / 2;
T A = +25°C; unless otherwise noted.)
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
MAX7412
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
MAX7408/11-11
AMPLITUDE (Vp-p)
THD + NOISE (dB)
B
A
SEE TABLE A
0 1.0 0.5 1.5 2.0 2.5 3.0
MAX7415
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
MAX7408/11-12
AMPLITUDE (Vp-p)
THD + NOISE (dB)
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
A
B
A
B
SEE TABLE A