SSM4321 datasheet(8/24 Pages) AD

8 / 24 page

SSM4321

Data Sheet

Rev. 0 | Page 8 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

PVDD = 5.0 V, IOVDD = 1.8 V, fS = 24 kHz with I2S output, gain = 6 dB, TA = 25°C, unless otherwise noted. For RL = 8 Ω, use a 200 mΩ

V/I sense resistor; for RL = 4 Ω, use a 100 mΩ V/I sense resistor; for RL = 3 Ω, use a 75 mΩ V/I sense resistor.

100

0.1

0.01

0.001

0.1

0.01

OUTPUT POWER (W)

PVDD = 2.5V

PVDD = 3.6V

RL = 8Ω + 33µH

PVDD = 5.0V

Figure 3. THD + N vs. Output Power into 8 Ω

100

0.1

0.01

0.001

0.1

0.01

OUTPUT POWER (W)

PVDD = 2.5V

PVDD = 3.6V

RL = 4Ω + 15µH

PVDD = 5.0V

Figure 4. THD + N vs. Output Power into 4 Ω

100

0.1

0.01

0.001

0.1

0.01

OUTPUT POWER (W)

PVDD = 2.5V

PVDD = 3.6V

RL = 3Ω + 7.5µH

PVDD = 5.0V

Figure 5. THD + N vs. Output Power into 3 Ω

100

0.1

0.01

0.001

100k

10k

100

FREQUENCY (Hz)

RL = 8Ω + 33µH

250mW

500mW

Figure 6. THD + N vs. Frequency, PVDD = 5 V, RL = 8 Ω

100

0.1

0.01

0.001

100k

10k

100

FREQUENCY (Hz)

RL = 4Ω + 15µH

500mW

Figure 7. THD + N vs. Frequency, PVDD = 5 V, RL = 4 Ω

100

0.1

0.01

0.001

100k

10k

100

FREQUENCY (Hz)

RL = 3Ω + 7.5µH

2.5W

Figure 8. THD + N vs. Frequency, PVDD = 5 V, RL = 3 Ω

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