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

(kHz)

(Vp-p)

MAX7420

2

2

4

-77

< -80

TYPICAL HARMONIC DISTORTION (dB)

< -80

< -80

2nd

4th

(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

(kHz)

(Vp-p)

MAX7419

2

2

4

< -80

< -80

TYPICAL HARMONIC DISTORTION (dB)

< -80

< -80

2nd

4th

(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