Data Sheet

ADMP621

TYPICAL PERFORMANCE CHARACTERISTICS

20

–20

–15

–10

–5

0

5

10

15

10

100

1k

10k

FREQUENCY (Hz)

Figure 6. Frequency Response Mask

20

–20

–15

–10

–5

0

5

10

15

10

100

1k

10k

FREQUENCY (Hz)

Figure 7. Typical Frequency Response (Measured)

0

–140

–120

–100

–80

–60

–40

–20

100

1k

10k

FREQUENCY (Hz)

Figure 8. PSR vs. Frequency, 100 mV p-p Swept Sine Wave

0.1

1

10

90

95

100

105

110

115

120

125

130

135

140

INPUT LEVEL (dB SPL)

Figure 9. Total Harmonic Distortion + Noise (THD + N) vs. Input SPL

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

0

90

100

110

130

120

140

INPUT LEVEL (dB SPL)

Figure 10. Linearity

–0.8

–0.6

–0.4

–0.2

0

0.2

0.6

0.8

0.4

1.0

0

0.0002

0.0004

0.0008

0.0006

0.0010

TIME (Seconds)

130dB SPL

132dB SPL

134dB SPL

136dB SPL

138dB SPL

Figure 11. Clipping Characteristics

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