____________________________Typical Operating Characteristics (continued)

5th-Order, Lowpass,

Switched-Capacitor Filters

8

_______________________________________________________________________________________

0

2

1

4

3

5

6

10

100

1000

INTERNAL OSCILLATOR FREQUENCY

vs. LARGE CAPACITANCE (nF)

CAPACITANCE (nF)

ELLIPTIC

BESSEL/BUTTERWORTH

2.3

2.5

2.9

2.7

3.1

3.3

2.5

3.5

3.0

4.0

4.5

5.0

5.5

ELLIPTIC SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

84.0

85.0

84.5

86.0

85.5

86.5

87.0

2.5

3.5

4.0

3.0

4.5

5.0

5.5

ELLIPTIC INTERNAL OSCILLATOR

FREQUENCY vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

84.0

85.0

84.5

86.0

85.5

86.5

87.0

-40

10

-15

356085

ELLIPTIC INTERNAL OSCILLATOR

FREQUENCY vs. TEMPERATURE

TEMPERATURE (

°C)

2.5

2.6

2.8

2.7

2.9

3.0

-40

10

-15

35

60

85

ELLIPTIC SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

1

(kHz)

2

2

1

2

10

(kHz)

E

30

22

10

22

1000

LABEL

A

B

(kHz)

3000

2200

1000

C

D

2200

22

BW

(kHz)

80

80

22

80

Table A.