MAX7480 Maxim, MAX7480 Datasheet - Page 4

• Manufacturer Part Number: MAX7480
• Description: 8th-Order / Lowpass / Butterworth / Switched-Capacitor Filter
• Manufacturer: Maxim

8th-Order, Lowpass, Butterworth,
Switched-Capacitor Filter
(V
4
DD
3.00
2.95
2.90
2.85
2.80
2.75
2.70
-100
-120
-0.5
-1.0
-1.5
-20
-40
-60
-80
1.0
0.5
_______________________________________________________________________________________
20
0
0
= +5V, f
4.5
-40
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
OFFSET VOLTAGE vs. TEMPERATURE
4.6 4.7
0.5
-20
CLK
1.0
FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
4.8
1.5
SUPPLY VOLTAGE (V)
0
= 100kHz, SHDN = V
TEMPERATURE (°C)
4.9
2.0
20
5.0 5.1 5.2 5.3 5.4 5.5
2.5
V
40
IN
3.0
= V
3.5
COM
60
f
C
NO LOAD
4.0
= V
= 1kHz
80
DD
4.5 5.0
/ 2
DD
100
, V
COM
1000
0.01
100
3.00
2.95
2.90
2.85
2.80
2.75
2.70
0.1
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
= V
10
0.5
1
0
-40
0.1
OS
0
INTERNAL OSCILLATOR FREQUENCY vs.
SUPPLY CURRENT vs. TEMPERATURE
PASSBAND FREQUENCY RESPONSE
= V
f
C
-20
= 1kHz
202
DD
1
C
INPUT FREQUENCY (Hz)
/ 2, T
0
OSC
TEMPERATURE (°C)
CAPACITANCE (nF)
404
CAPACITANCE
20
A
= +25°C, unless otherwise noted.)
10
40
606
Typical Operating Characteristics
60
100
808
NO LOAD
80
1010
1000
100
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
-0.5
-1.0
-1.5
-2.0
160
240
320
400
480
560
640
2.0
1.5
1.0
0.5
80
0
0
4.5 4.6
4.5
0
NORMALIZED INTERNAL OSCILLATOR
FREQUENCY vs. SUPPLY VOLTAGE
4.6 4.7
4.7
400
DC OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
INPUT FREQUENCY (Hz)
4.8 4.9
PHASE RESPONSE
4.8
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
800
4.9
5.0 5.1 5.2 5.3 5.4 5.5
5.0
1200
5.1
C
OSC
5.2
V
IN
1600
= 530pF
5.3
f
= V
C
= 1kHz
COM
5.4
2000
5.5