for Audio Applications

_____________________________________________________________________

5

0

40

20

80

60

100

120

010

515

20

POWER-SUPPLY REJECTION RATIO

vs. GAIN SETTING

GAIN SETTING

1kHz

50Ω LOAD

20kHz

50Ω LOAD

0

-80

1000

10,000

100,000

COMMON-MODE FREQUENCY RESPONSE

SWEEP AT -11dB

-60

-70

FREQUENCY (Hz)

-40

-50

-30

-20

-10

NO LOAD

1000

100,000

1,000,000

GAIN vs. FREQUENCY RESPONSE

FREQUENCY (Hz)

10,000

30

-40

-30

-20

-10

0

20

10

50Ω LOAD

-2dB SETTING

-35dB SETTING

+25dB SETTING

-40

-20

-30

0

-10

20

10

30

GAIN vs. SETTING

GAIN SETTING

0

5

10

15

20

IN+ AND IN- SHORTED TOGETHER

ACROSS -20°C TO +70°C

WITH 50Ω LOAD, 1kΩ LOAD,

AND NO LOAD

-140

-100

-120

-60

-80

-20

-40

0

CCITT NOISE vs. GAIN SETTING

GAIN SETTING

0

5

10

15

20

NO LOAD

0.018

0.000

10

1000

100

10,000

100,000

TOTAL HARMONIC DISTORTION

vs. FREQUENCY

0.004

0.002

FREQUENCY (Hz)

0.008

0.006

0.012

0.010

0.014

0.016

WITH 50Ω LOAD

AND 1kΩ LOAD

-11dB SETTING

0.09

0.00

10

1000

100

10,000

100,000

TOTAL HARMONIC DISTORTION

vs. FREQUENCY

0.02

0.01

FREQUENCY (Hz)

0.04

0.03

0.06

0.05

0.07

0.08

WITH 50Ω LOAD

AND 1kΩ LOAD

+10dB SETTING

-40

-30

-35

-15

-20

-25

-10

-5

5

0

10

2

4

6

8

10

12 14 16 18 20

DS4420 toc11

GAIN SETTING

0.000

0.004

0.002

0.010

0.008

0.006

0.012

0.014

0.018

0.016

0.020

50Ω LOAD

INPUT

VOUT

THD+N

Typical Operating Characteristics (continued)