Low-Cost, Mono, 1.4W BTL Audio Power

Amplifiers

8

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Typical Operating Characteristics (continued)

GAIN AND PHASE vs. FREQUENCY

FREQUENCY (Hz)

1M

100k

100

1k

10k

-90

-60

-30

0

30

60

90

120

-120

10

10M

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

10

100k

5.1

4.7

3.1

3.5

3.9

4.3

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2.0

2.7

5.5

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1

2

3

4

5

6

-40

85

COMING OUT OF SHUTDOWN

MAX9716 toc32

OUT+

1V/div

OUT+ - OUT-

200mV/div

OUT-

1V/div

SHDN

2V/div

100ms/div

Ω

GOING INTO SHUTDOWN

MAX9716 toc33

OUT+

1V/div

OUT+ - OUT-

200mV/div

OUT-

1V/div

SHDN

2V/div

10

µs/div

Ω

5.0

4.5

4.0

3.5

3.0

2

4

6

8

10

12

14

16

18

20

0

2.5

5.5

SHUTDOWN CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

-15

10

5

10

15

20

25

30

35

40

0

-40

85