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Max9890 audio click-pop suppressor, Typical operating characteristics (continued) – Rainbow Electronics MAX9890 User Manual

Page 5

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MAX9890

Audio Click-Pop Suppressor

_______________________________________________________________________________________

5

FREQUENCY (Hz)

THD+N (%)

10k

1k

100

0.001

0.01

0.1

1

0.0001

10

100k

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

MAX9890 toc13

V

CC

= 5V

R

L

= 32

OUTPUT POWER = 20mW

OUTPUT POWER = 80mW

FREQUENCY (Hz)

THD+N (%)

10k

1k

100

0.001

0.01

0.1

1

0.0001

10

100k

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

MAX9890 toc14

V

CC

= 3V

R

L

= 16

OUTPUT POWER = 100mW

OUTPUT POWER = 25mW

FREQUENCY (Hz)

THD+N (%)

10k

1k

100

0.001

0.01

0.1

1

0.0001

10

100k

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

MAX9890 toc15

V

CC

= 3V

R

L

= 32

OUTPUT POWER = 60mW

OUTPUT POWER = 20mW

SHDN
2V/div

V

OUT

1V/div

V

HEADPHONE

10mV/div

40ms/div

STARTUP WAVEFORM (DC)

MAX9890 toc16

SHDN
2V/div

V

OUT

1V/div

V

HEADPHONE

10mV/div

10s/div

SHUTDOWN WAVEFORM (DC)

MAX9890 toc17

SHDN
2V/div

V

OUT

1V/div

V

HEADPHONE

1V/div

40ms/div

STARTUP WAVEFORM (AC)

MAX9890 toc18

SHDN
2V/div

V

OUT

1V/div

V

HEADPHONE

1V/div

1s/div

SHUTDOWN WAVEFORM (AC)

MAX9890 toc19

Typical Operating Characteristics (continued)

(V

CC

= 3V, C

CEXT

= 0.1µF, typical values are at T

A

= +25°C, unless otherwise noted.)