5th-Order, Lowpass,

Switched-Capacitor Filters

10

______________________________________________________________________________________

Table 2. MAX7409/MAX7413 Typical Harmonic Distortion

5th

3rd

-88.3

-87.9

-88.8

-86.9

-81

-85.4

-91.1

-79

-87.9

-87.3

-86.4

-86

100

500

2

200

MAX7413

1k

100

500

fCLK

(kHz)

4th

2nd

-88.4

-88.8

TYPICAL HARMONIC DISTORTION (dB)

-83.5

-82.5

4

200

1k

MAX7409

VIN

(Vp-p)

fIN

(Hz)

FILTER

Table 1. MAX7410/MAX7414 Typical Harmonic Distortion

5th

3rd

-86.4

-87.6

-88.5

-85.5

-74

-78

-82

-67

-85.8

-87.1

-86.1

-85.3

100

500

2

200

MAX7414

1k

100

500

fCLK

(kHz)

4th

2nd

-88.7

-86.7

TYPICAL HARMONIC DISTORTION (dB)

-84

-85

4

200

1k

MAX7410

VIN

(Vp-p)

fIN

(Hz)

FILTER

TRANSISTOR COUNT: 1457

Chip Information

Ordering Information (continued)

PART

TEMP. RANGE

PIN-PACKAGE

MAX7413CPA

0°C to +70°C

8 Plastic DIP

MAX7413EPA

MAX7414CUA

MAX7414CPA

MAX7414EUA

-40°C to +85°C

0°C to +70°C

0°C to +70°C

-40°C to +85°C

8 Plastic DIP

8 µMAX

8 Plastic DIP

8 µMAX

MAX7414EPA

-40°C to +85°C

8 Plastic DIP

MAX7413CUA

0°C to +70°C

8 µMAX

MAX7413EUA

-40°C to +85°C

8 µMAX