MAX7418–MAX7425
5th-Order, Lowpass,
Switched-Capacitor Filters
______________________________________________________________________________________ 13
Table 3. MAX7419/MAX7423 Typical Harmonic Distortion
Table 2. MAX7420/MAX7424 Typical Harmonic Distortion
Chip Information
TRANSISTOR COUNT: 1457
PROCESS: BiCMOS
Ordering Information (continued)
PART TEMP. RANGE PIN-PACKAGE
MAX7423CUA
MAX7423EUA -40°C to +85°C
0°C to +70°C 8 µMAX
8 µMAX
MAX7422CUA
0°C to +70°C 8 µMAX
MAX7422EUA -40°C to +85°C 8 µMAX
PART
FILTER RESPONSE
OPERATING
VOLTAGE (V)
MAX7422 r = 1.6 +3
MAX7423 Bessel +3
MAX7424 Butterworth +3
MAX7425 r = 1.25 +3
Selector Guide (continued)
MAX7424CUA
0°C to +70°C 8 µMAX
MAX7424EUA -40°C to +85°C 8 µMAX
MAX7425CUA
0°C to +70°C 8 µMAX
MAX7425EUA -40°C to +85°C 8 µMAX
FILTER
f
IN
(kHz)
V
IN
(Vp-p)
MAX7420
2
2
4
-77
< -80
TYPICAL HARMONIC DISTORTION (dB)
< -80
< -80
2nd
4th
f
CLK
(MHz)
2.2
1.5
3
MAX7424
2
2
3.5
2.2
< -80
< -80
< -80
< -80
-67 -76
-70
-70
-77
< -80
< -80
< -80
3rd 5th
FILTER
f
IN
(kHz)
V
IN
(Vp-p)
MAX7419
2
2
4
< -80
< -80
TYPICAL HARMONIC DISTORTION (dB)
< -80
< -80
2nd
4th
f
CLK
(MHz)
2.2
1.5
3
MAX7423
2
2
3.5
2.2
< -80
< -80
< -80
< -80
-77 < -80
-80
-75
< -80
< -80
< -80
< -80
3rd 5th
