ssm2517 Analog Devices, Inc., ssm2517 Datasheet - Page 5

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ssm2517

Manufacturer Part Number
ssm2517
Description
Pdm Digital Input, Mono 2.4 W Class-d Audio Amplifier Ssm2517
Manufacturer
Analog Devices, Inc.
Datasheet

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PDM INTERFACE DIGITAL TIMING SPECIFICATIONS
Table 3.
Parameter
t
t
t
t
1
Timing Diagram
CR
CF
DS
DE
The SSM2517 was designed so that the data line can transition coincident with or close to a clock edge. It is not necessary to delay the data line transition until after the
clock edge because the SSM2517 does this internally to ensure good timing margins. The data line should remain constant during the valid sample period illustrated
in Figure 2; it may transition at any other time.
PCLK
PDAT
t
44
MIN
t
DS
Limit
VALID LEFT SAMPLE
t
10
10
7
MAX
t
DE
Figure 2. PDM Interface Timing
Unit
ns
ns
ns
ns
Rev. A | Page 5 of 16
VALID RIGHT SAMPLE
Description
Clock rise time
Clock fall time
Valid data start time
Valid data end time
t
1
CR
1
VALID LEFT SAMPLE
t
CF
SSM2517

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