MAX7420EUA+ Maxim Integrated Products, MAX7420EUA+ Datasheet - Page 8
![IC FILTER LOWPASS 5TH 8UMAX](/photos/1/39/13936/406-8-msop_sml.jpg)
MAX7420EUA+
Manufacturer Part Number
MAX7420EUA+
Description
IC FILTER LOWPASS 5TH 8UMAX
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX7421EUA.pdf
(14 pages)
Specifications of MAX7420EUA+
Filter Type
Butterworth, 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,
Number Of Channels
Single
Cutoff Frequency
30 KHz
Supply Voltage (max)
5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Supply Voltage
5 V
Supply Voltage (min)
4.5 V
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
8
A
____________________________Typical Operating Characteristics (continued)
DD
= +25°C; unless otherwise noted.)
-10
-20
-30
-40
-50
-60
-70
-80
-90
3.3
3.1
2.9
2.7
2.5
2.3
_______________________________________________________________________________________
0
6
5
4
3
2
1
0
THD + NOISE vs. INPUT SIGNAL AMPLITUDE
= +5V for MAX7418–MAX7421, V
2.5
10
0
SEE TABLE A
ELLIPTIC
INTERNAL OSCILLATOR FREQUENCY
vs. LARGE CAPACITANCE (nF)
0.5
3.0
ELLIPTIC SUPPLY CURRENT
vs. SUPPLY VOLTAGE
(BUTTERWORTH)
SUPPLY VOLTAGE (V)
1.0
CAPACITANCE (nF)
3.5
AMPLITUDE (Vp-p)
MAX7424
C
BESSEL/BUTTERWORTH
100
A
1.5
4.0
B
2.0
4.5
2.5
5.0
1000
DD
3.0
5.5
= +3V for MAX7422–MAX7425; f
87.0
86.5
86.0
85.5
85.0
84.5
84.0
-10
-20
-30
-40
-50
-60
-70
-80
-90
3.0
2.9
2.8
2.7
2.6
2.5
0
THD + NOISE vs. INPUT SIGNAL AMPLITUDE
2.5
-40
0
C
SEE TABLE A
FREQUENCY vs. SUPPLY VOLTAGE
OSC
ELLIPTIC INTERNAL OSCILLATOR
3.0
0.5
= 1000PF
ELLIPTIC SUPPLY CURRENT
-15
(ELLIPTIC, R = 1.25)
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
1.0
3.5
TEMPERATURE (°C)
AMPLITUDE (Vp-p)
MAX7425
10
C
1.5
4.0
A
V
V
DD
DD
35
= 5V
= 3V
2.0
4.5
CLK
B
60
5.0
= 2.2MHz; SHDN = V
2.5
5.5
3.0
85
7000
6000
5000
4000
3000
2000
1000
Table A.
87.0
86.5
86.0
85.5
85.0
84.5
84.0
LABEL
0
A
B
C
D
E
-40
1
ELLIPTIC
C
INTERNAL OSCILLATOR FREQUENCY
OSC
DD
ELLIPTIC INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
vs. SMALL CAPACITANCE (pF)
= 1000PF
; V
(kHz)
-15
f
10
IN
2
2
1
2
1
COM
CAPACITANCE ( pF)
TEMPERATURE (°C)
10
= V
(kHz)
30
22
10
22
10
f
100
BESSEL/BUTTERWORTH
C
V
V
OS
DD
DD
= 3V
= 5V
35
= V
(kHz)
3000
2200
1000
2200
1000
f
CLK
1000
DD
60
/ 2;
(kHz)
BW
80
80
22
80
22
10000
85