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100

0

10

OUTPUT POWER PER CHANNEL (W)

0.1

1

90

80

70

60

50

40

30

20

10

2 x8Ω LOAD

2 x6Ω LOAD

2 x4Ω LOAD

100

0

10

OUTPUT POWER (W)

0.1

1

90

80

70

60

50

40

30

20

10

1 x4Ω LOAD

1 x3Ω LOAD

1 x2Ω LOAD

Figure 34. Power Efficiency vs. Output Power, Stereo Mode, PVDD = 12 V

Figure 37. Power Efficiency vs. Output Power, Mono Mode, PVDD = 12 V

4.0

0

20

OUTPUT POWER PER CHANNEL (W)

0

2 x8Ω LOAD

2 x6Ω LOAD

2 x4Ω LOAD

3.5

3.0

2.5

2.0

1.5

1.0

0.5

2468

10

12

14

16

18

8

0

40

OUTPUT POWER (W)

0

7

6

5

4

3

2

1

5

101520253035

1 x4Ω LOAD

1 x3Ω LOAD

1x2Ω LOAD

Figure 35. On-Chip Power Dissipation vs.

Output Power, Stereo Mode, PVDD = 12 V

Figure 38. On-Chip Power Dissipation vs.

Output Power, Mono Mode, PVDD = 12 V

250

0

100

MOSFET ON-RESISTANCE (mΩ)

200

150

100

50

120 140 160 180 200 220 240 260 280 300 320 340 360 380 400

P-TYPE 25°C

N-TYPE 25°C

P-TYPE 130°C

N-TYPE 130°C

20

–140

–130

–120

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

20

20k

FREQUENCY (Hz)

0

10

100

50

200

500

1k

2k

5k

10k

Figure 36. Power Supply Rejection Ratio (PSRR) vs. Frequency

Figure 39. Histogram Showing Manufacturing Variation of

R

of the Output MOSFETS at 25°C and 130°C

DS-ON