SSM2518CBZ-R7 datasheet(12/48 Pages) AD

12 / 48 page

SSM2518

Data Sheet

Rev. A | Page 12 of 48

100

10k

100k

FREQUENCY (Hz)

0.125W

0.25W

0.5W

0.01

0.1

100

PVDD = 3.6V

GAIN = 3.6V

MCLK = 256 ×

RL = 8Ω, 33µH

Figure 12. THD + N vs. Frequency, PVDD = 3.6 V, RL = 8 Ω

100

10k

100k

FREQUENCY (Hz)

0.01

0.1

100

0.05W

0.10W

0.20W

PVDD = 2.5V

GAIN = 3.6V

MCLK = 256 ×

RL = 8Ω, 33µH

Figure 13. THD + N vs. Frequency, PVDD = 2.5 V, RL = 8 Ω

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

SUPPLY VOLTAGE (V)

NO LOAD

8Ω + 33µH

4Ω + 33µH

DAC_LPM = 1

AMP_LPM = 1

DVDD = 1.8V

DITHER INPUT

Figure 14. Quiescent Current (Power Stage) vs. Supply Voltage

100

10k

100k

FREQUENCY (Hz)

0.125W

0.25W

0.5W

0.01

0.1

100

PVDD = 3.6V

GAIN = 3.6V

MCLK = 256 ×

RL = 4Ω, 15µH

Figure 15. THD + N vs. Frequency, PVDD = 3.6 V, RL = 4 Ω

100

10k

100k

FREQUENCY (Hz)

0.01

0.1

100

0.05W

0.10W

0.20W

PVDD = 2.5V

GAIN = 3.6V

MCLK = 256 ×

RL = 4Ω, 15µH

Figure 16. THD + N vs. Frequency, PVDD = 2.5 V, RL = 4 Ω

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

1.6

2.0

2.4

2.8

3.2

3.6

SUPPLY VOLTAGE (V)

8kHz 256 ×

24kHz 256 ×

48kHz 256 ×

MCLK = 256 ×

DAC_LPM = 1, AMP_LPM = 1

Figure 17. Quiescent Current (Digital Core) vs. Supply Voltage

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