SSM4321 datasheet(10/24 Pages) AD

10 / 24 page

SSM4321

Data Sheet

Rev. 0 | Page 10 of 24

5.0

4.8

4.6

4.4

4.2

4.0

3.8

3.6

3.4

3.2

3.0

2.5

5.0

4.0

4.5

3.5

3.0

SUPPLY VOLTAGE (V)

NO LOAD

RL = 4Ω

RL = 8Ω

Figure 15. Quiescent Current vs. PVDD Supply Voltage, ADC Sense Enabled

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

2.5

5.0

4.0

4.5

3.5

3.0

SUPPLY VOLTAGE (V)

NO LOAD

RL = 4Ω

RL = 8Ω

Figure 16. Quiescent Current vs. PVDD Supply Voltage, ADC Sense Disabled

2.0

1.5

1.0

0.5

2.5

5.0

4.0

4.5

3.5

3.0

SUPPLY VOLTAGE (V)

THD + N = 1%

THD + N = 10%

RL = 8Ω + 33µH

Figure 17. Maximum Output Power vs. PVDD Supply Voltage, RL = 8 Ω

3.0

2.5

2.0

1.0

1.5

0.5

2.5

5.0

4.0

4.5

3.5

3.0

SUPPLY VOLTAGE (V)

THD + N = 1%

THD + N = 10%

RL = 4Ω + 15µH

Figure 18. Maximum Output Power vs. PVDD Supply Voltage, RL = 4 Ω

4.0

3.5

3.0

2.5

2.0

1.0

1.5

0.5

2.5

5.0

4.0

4.5

3.5

3.0

SUPPLY VOLTAGE (V)

THD + N = 1%

THD + N = 10%

RL = 3Ω + 7.5µH

Figure 19. Maximum Output Power vs. PVDD Supply Voltage, RL = 3 Ω

0.7

0.6

0.5

0.4

0.3

0.2

0.1

3.0

1.5

2.0

2.5

1.0

0.5

OUTPUT POWER (W)

RL = 8Ω + 33µH

PVDD = 2.5V

PVDD = 3.6V

PVDD = 5.0V

Figure 20. Supply Current vs. Output Power into 8 Ω

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