MAX7421CUA+ Maxim Integrated Products, MAX7421CUA+ Datasheet - Page 6

• Manufacturer Part Number: MAX7421CUA+
• Description: IC FILTER LOWPASS 5TH 8UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX7421CUA+

• Filter Type: Elliptic, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 45kHz
• Number Of Filters: 1
• Max-order: 5th
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: MAXFILTERBRD+ - BOARD EVAL MAX7408/7415/418-7425
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5th-Order, Lowpass,
Switched-Capacitor Filters
(V
T
6
__________________________________________Typical Operating Characteristics
A
DD
= +25°C; unless otherwise noted.)
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-10
-20
-30
-40
-50
-60
-70
-80
-90
_______________________________________________________________________________________
0.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
10
0
0
= +5V for MAX7418–MAX7421, V
FREQUENCY RESPONSE (ELLIPTIC, R = 1.25)
0
FREQUENCY RESPONSE (ELLIPTIC, R = 1.6)
0
0
0
PASSBAND FREQUENCY RESPONSE
4.5
20
20
MAX7421/MAX7425
MAX7420/MAX7424
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
MAX7418/MAX7422
INPUT FREQUENCY (kHz)
(BUTTERWORTH)
9.0
40
40
13.5
60
60
18.0
80
80
DD
22.5
100
100
= +3V for MAX7422–MAX7425; f
-0.2
-0.4
-0.6
-0.8
-1.0
-0.2
-0.4
-0.6
-0.8
-1.0
-10
-20
-30
-40
-50
-60
0.4
0.2
0.4
0.2
10
0
0
0
0
0
0
PASSBAND FREQUENCY RESPONSE
PASSBAND FREQUENCY RESPONSE
FREQUENCY RESPONSE (BESSEL)
4.5
20
4.5
MAX7419/MAX7423
MAX7418/MAX7422
INPUT FREQUENCY (kHz)
MAX7421/MAX7425
(ELLIPTIC, R = 1.25)
INPUT FREQUENCY (kHz)
(ELLIPTIC, R = 1.6)
INPUT FREQUENCY (kHz)
9.0
40
9.0
13.5
13.5
60
CLK
18.0
18.0
80
= 2.2MHz; SHDN = V
22.5
22.5
100
-100
-150
-200
-250
-300
-350
-400
-450
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-10
-20
-30
-40
-50
-60
-70
-80
-50
0.5
10
0
0
0
FREQUENCY RESPONSE (BUTTERWORTH)
0
0
0
PHASE RESPONSE (ELLIPTIC, R = 1.6)
PASSBAND FREQUENCY RESPONSE
DD
4
; V
20
4.5
MAX7418/MAX7422
COM
MAX7420/MAX7424
MAX7419/MAX7423
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
8
9.0
40
(BESSEL)
= V
12
OS
16
13.5
60
= V
20
DD
18.0
80
/ 2;
24
100
22.5
28