參數(shù)資料
型號: MAX7420
廠商: Maxim Integrated Products, Inc.
英文描述: 5th-Order.Lowpass.Switched-Capacitor Filters
中文描述: 五階、低通、開關電容濾波器
文件頁數(shù): 6/12頁
文件大小: 231K
代理商: MAX7420
M
8th-Order, Lowpass, Elliptic ,
S witc hed-Capac itor Filters
6
_______________________________________________________________________________________
Typic al Operating Charac teristic s (c ontinued)
(V
DD
= +5V for MAX7400/MAX7403, V
DD
= +3V for MAX7404/MAX7407; V
COM
= V
OS
= V
DD
/ 2;
SHDN
= V
DD
; f
CLK
= 100kHz;
T
A
= +25°C; unless otherwise noted.)
1.5
1.8
1.7
1.6
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.5
3.5
SUPPLY VOLTAGE (V)
3.0
4.0
4.5
5.0
5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
S
NOLOAD
MAX7404
MAX7407
MAX7400
MAX7403
1.97
1.99
1.98
2.01
2.00
2.02
2.03
-40
20
40
-20
0
60
80
100
SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (°C)
S
NOLOAD
MAX7400
MAX7403
MAX7404
MAX7407
-20
-15
-10
-5
0
5
10
15
20
2.5
3.5
SUPPLY VOLTAGE (V)
3.0
4.0
4.5
5.0
5.5
OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
M
O
V
IN
= V
COM
= V
DD
/2
MAX7404
MAX7407
MAX7400
MAX7403
-0.5
0
0.5
1.5
1.0
2.0
-40
-20
0
20
40
60
80
100
OFFSET VOLTAGE vs. TEMPERATURE
M
TEMPERATURE (°C)
V
IN
= V
COM
= V
DD
/2
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
0
1
2
3
4
5
THD PLUS NOISE vs. INPUT SIGNAL
AMPLITUDE (MAX7400)
M
AMPLITUDE (Vp-p)
T
NOLOAD
(SEE TABLE A)
B
C
D
-90
-70
-80
-50
-60
-40
-30
-10
-20
0
0
1
2
3
4
5
THD PLUS NOISE vs. INPUT SIGNAL
AMPLITUDE AND RESISTIVE LOAD (MAX7400)
M
AMPLITUDE (Vp-p)
T
f
IN
= 200Hz
f
= 1kHz
MEASUREMENT BW = 22kHz
R
L
= 500
R
L
= 1k
R
L
= 10k
-120
-80
-100
-60
0
20
-20
-40
40
0
1
2
3
4
5
MAX7403/MAX7407 (r = 1.2)
FREQUENCY RESPONSE
M
INPUT FREQUENCY (kHz)
G
f
C
= 1kHz
-0.32
-0.16
-0.24
-0.08
0.16
0.24
0.08
0
0.32
0
202
404
606
808
1010
MAX7403/MAX7407 (r = 1.2)
PASSBAND FREQUENCY RESPONSE
M
INPUT FREQUENCY (Hz)
G
f
C
= 1kHz
-640
-480
-560
-400
-160
-80
-240
-320
0
0
240
480
720
960
1200
MAX7403/MAX7407 (r = 1.2)
PHASE RESPONSE
M
INPUT FREQUENCY (Hz)
P
f
C
= 1kHz
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