CS43L21 datasheet(54/63 Pages) CIRRUS

номер детали	CS43L21

подробное описание детали	Low Power, Stereo Digital to Analog Converter

PDF	63 Pages

Scroll/Zoom	100%

производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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54 / 63 page

DS723A1

CS43L21

7. ANALOG PERFORMANCE PLOTS

7.1

Headphone THD+N versus Output Power Plots

Test conditions (unless otherwise specified): Input test signal is a 997 Hz sine wave; measurement band-

width is 10 Hz to 20 kHz; Fs = 48 kHz. Plots were taken from the CDB43L21 using an Audio Precision an-

alyzer.

G = 0.6047

G = 0.7099

G = 0.8399

G = 1.0000

G = 1.1430

Legend

-100

-10

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

-15

80m

10m

20m

30m

40m

50m

60m

70m

Figure 21. THD+N vs. Output Power per Channel at 1.8 V (16

Ω load)

VA_HP = VA = 1.8 V

NOTE: Graph shows the out-

put power per channel (i.e.

Output Power = 23 mW into

single 16

Ω and 46 mW into

stereo 16

Ω with THD+N = -

75 dB).

G = 0.6047

G = 0.7099

G = 0.8399

G = 1.0000

G = 1.1430

Legend

-100

-10

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

-15

80m

10m

20m

30m

40m

50m

60m

70m

Figure 22. THD+N vs. Output Power per Channel at 2.5 V (16

Ω load)

VA_HP = VA = 2.5 V

NOTE: Graph shows the out-

put power per channel (i.e.

Output Power = 44 mW into

single 16

Ω and 88 mW into

stereo 16

Ω with THD+N = -

75 dB).

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