SSM2319CBZ-R2 datasheet(9/20 Pages) AD

9 / 20 page

SSM2319

Rev. 0 | Page 9 of 20

NO LOAD

2.3

2.5

2.7

2.9

3.1

3.3

3.5

3.7

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE (V)

RL = 8Ω + 33µH

RL = 3Ω + 33µH

RL = 4Ω + 33µH

Figure 15. Supply Current vs. Supply Voltage

2.5

3.0

3.5

4.0

4.5

5.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

10%

RL = 3Ω + 33µH

GAIN = 12dB

f = 1kHz

SUPPLY VOLTAGE (V)

DO NOT EXCEED 3W

CONTINUOUS OUTPUT POWER

Figure 16. Maximum Output Power vs. Supply Voltage,

RL = 3 Ω + 33 μH, Gain = 12 dB

2.53.03.54.04.55.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

10%

RL = 4Ω + 33µH

GAIN = 12dB

f = 1kHz

DO NOT EXCEED 3W

CONTINUOUS OUTPUT POWER

SUPPLY VOLTAGE (V)

Figure 17. Maximum Output Power vs. Supply Voltage,

RL = 4 Ω + 33 μH, Gain = 12 dB

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.53.0

3.54.04.55.0

10%

RL = 8Ω + 33µH

GAIN = 12dB

f = 1kHz

SUPPLY VOLTAGE (V)

Figure 18. Maximum Output Power vs. Supply Voltage,

RL = 8 Ω + 33 μH, Gain = 12 dB

100

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

VDD = 5V

RL = 8Ω + 33µH

OUTPUT POWER (W)

VDD = 3.6V

VDD = 2.5V

Figure 19. Efficiency vs. Output Power into RL = 8 Ω + 33 μH

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0

100

VDD = 5V

RL = 4Ω + 33µH

OUTPUT POWER (W)

VDD = 3.6V

VDD = 2.5V

Figure 20. Efficiency vs. Output Power into RL = 4 Ω + 33 μH

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