6

Cirrus Logic Confidential

DS1165PP1

CS7331P

4 Typical Performance

4 Typical Performance

4.1 Audio Frequency Response

Test conditions: VDD = 1.8 V, GND = 0 V, no output load.

Figure 4-1. Sensitivity vs. Audio Frequency (20 Hz–20 kHz)

4.2 Ultrasonic Frequency Response

Test conditions: VDD = 1.8 V, GND = 0 V, no output load.

Figure 4-2. Sensitivity vs. Ultrasonic Frequency (20 kHz–100 kHz)

-15.0

-14.0

-13.0

-12.0

-11.0

-10.0

-9.0

-8.0

-7.0

-6.0

-5.0

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

10

100

1000

10000

100000

Frequency (Hz)

-15.0

-14.0

-13.0

-12.0

-11.0

-10.0

-9.0

-8.0

-7.0

-6.0

-5.0

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

18.0

19.0

20.0

20000

30000

40000

50000

60000

70000

80000

90000

100000

Frequency (Hz)