Typical operating characteristics (continued) – Rainbow Electronics MAX98302 User Manual

Page 6

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6 ______________________________________________________________________________________

MAX98302

Stereo 2.4W Class D Amplifier

Typical Operating Characteristics (continued)

(V

PVDD

= V

SHDN

= 5.0V, V

PGND

= 0V, AV = 12dB, R

L

= J, unless otherwise specified, R

L

connected between OUT_+ to OUT_-, 20Hz

to 22kHz AC measurement bandwidth, T

A

= +25NC, unless otherwise noted.)

MAX98302 toc19

MAX98302
OUTPUT

SHDN

1ms/div

EXITING SHUTDOWN

MAX98302 toc20

MAX98302
OUTPUT

SHDN

1ms/div

ENTERING SHUTDOWN

10

1

0.1

0.01

0.001

100

WIDEBAND OUTPUT SPECTRUM

MAX98302 toc21

FREQUENCY (MHz)

OUTPUT MAGNITUDE (dBV)

-80

-60

-40

-20

0

-100

RBW = 100Hz
R

L

= 8I + 68µH

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX98302 toc24

SUPPLY VOLTAGE (V)

SUPPLY CURRENT

(µ

A)

5.0

4.5

4.0

3.5

3.0

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.20

0

2.5

5.5

R

L

=

∞

INBAND OUTPUT SPECTRUM

MAX98302 toc22

FREQUENCY (Hz)

OUTPUT MAGNITUDE (dBV)

10,000

1000

100

-120

-100

-80

-60

-40

-20

0

-140

10

100,000

f = 1kHz
R

L

= 8I + 68µH

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX98302 toc23

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

5.0

4.5

4.0

3.5

3.0

0.5

1.0

1.5

2.0

2.5

3.0

0

2.5

5.5

R

L

=

∞

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