-80

-60

-40

-20

0

10

100

1k

10k

100k

FREQUENCY (Hz)

-80

-70

-60

-50

-40

-30

-20

-10

0

10

100

1k

10k

100k

FREQUENCY (Hz)

0

0.5

1

1.5

2

2.5

3

3.5

2.5

3

3.5

4

4.5

5

5.5

SUPPLY VOLTAGE (V)

THD + N = 10%

THD + N = 1%

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

SUPPLY VOLTAGE (V)

THD + N = 10%

THD + N = 1%

0

100

200

300

400

0

500

1000

1500

2000

2500

VDD = 5V

VDD = 3.3V

VDD = 2.5V

OUTPUT POWER (mW)

0

25

50

75

100

125

150

0

250

500

750

1000

1250

1500

OUTPUT POWER (mW)

VDD = 5V

VDD = 3.3V

VDD = 2.5V

LM48312

SNAS494D – JANUARY 2010 – REVISED MAY 2013

www.ti.com

Typical Performance Characteristics (continued)

For all performance graphs, the Output Gains are set to 0dB, unless otherwise noted.

Power Dissipation vs Output Power

Power Dissipation vs Output Power

f = 1kHz, RL = 4Ω

f = 1kHz, RL = 8Ω

Figure 29.

Figure 30.

Output Power vs Supply Voltage

Output Power vs Supply Voltage

f = 1kHz, RL = 4Ω

f = 1kHz, RL = 8Ω

Figure 31.

Figure 32.

PSRR vs Frequency

CMRR vs Frequency

VDD = 5V, VRIPPLE = 200mVP-P, RL = 8Ω

VDD = 5V, VRIPPLE = 1VP-P, RL = 8Ω

Figure 33.

Figure 34.

10

Submit Documentation Feedback

Copyright © 2010–2013, Texas Instruments Incorporated

Product Folder Links: LM48312