INMP521

TABLE 2. TIMING CHARACTERISTICS

are guaranteed. Typical specifications are not guaranteed.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

SLEEP MODE

Sleep Time

1

ms

1

Wake-Up Time

10

ms

1

INPUT

Input clock period

326

800

ns

Clock Frequency (CLK)

1.25

2.4

3.072

MHz

1

Clock Duty Cycle

40

60

%

CLK rise time (10% to 90% level)

25

ns

2

CLK fall time (90% to 10% level)

25

ns

2

OUTPUT

DATA1 (right) driven after falling clock edge

40

ns

DATA1 (right) disabled after rising clock edge

5

30

ns

DATA2 (left) driven after rising clock edge

40

ns

DATA2 (left) disabled after falling clock edge

5

30

ns

Note 1: The microphone operates at any clock frequency between 1.25 MHz and 3.072 MHz. Some specifications may not be guaranteed at frequencies other than

2.4 MHz.

Note 2: Guaranteed by design.

TIMING DIAGRAM

Figure 1. Pulse Density Modulated Output Timing

CLK

DATA2

DATA1

Page 5 of 20

Document Number: DS-INMP521-00

Revision: 1.0.