INMP421

TABLE 2. TIMING CHARACTERISTICS

are guaranteed. Typical specifications are not guaranteed.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

SLEEP MODE

Wake-Up Time

power on

10

ms

1

INPUT

Input clock period

310

1000

ns

Clock Frequency (CLK)

1.0

2.4

3.3

MHz

1

Clock Duty Cycle

40

60

%

OUTPUT

DATA1 (right) driven after falling clock

edge

30

ns

DATA1 (right) disabled after rising

clock edge

20

ns

DATA2 (left) driven after rising clock

edge

30

ns

DATA2 (left) disabled after falling clock

edge

20

ns

Note 1: The microphone operates at any clock frequency between 1.0 MHz and 3.3 MHz. Some specifications may not be guaranteed at frequencies other than 2.4

MHz.

TIMING DIAGRAM

Figure 1. Pulse Density Modulated Output Timing

CLK

DATA2

DATA1

Page 5 of 21

Document Number: DS-INMP421-00

Revision: 1.0.