Digital audio interface electrical characteristics, C interface electrical characteristics – Rainbow Electronics MAX9860 User Manual

Page 7

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MAX9860

16-Bit Mono Audio Voice Codec

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7

DIGITAL AUDIO INTERFACE ELECTRICAL CHARACTERISTICS

(V

DVDD

= V

DVDDIO

= 1.8V, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

BCLK Cycle Time

t

BCLKS

Slave operation

75

ns

BCLK High Time

t

BCLKH

Slave operation

30

ns

BCLK Low Time

t

BCLKL

Slave operation

30

ns

BCLK or LRCLK Rise and Fall
Time

t

R

, t

F

Master operation

7

ns

SDIN or LRCLK to BCLK Rising
Setup Time

t

SU

ABCI = DBCI = 0

25

ns

SDIN or LRCLK to BCLK Falling
Setup Time

t

SU

ABCI = DBCI = 1

25

ns

SDIN or LRCLK to BCLK Rising
Hold Time

t

HD

ABCI = DBCI = 0

0

ns

SDIN or LRCLK to BCLK Falling
Hold Time

t

HD

ABCI = DBCI = 1

0

ns

SDOUT Delay Time from BCLK
Rising Edge

t

DLY

ABCI = DBCI = 0, C

L

= 30pF

0

40

ns

I

2

C INTERFACE ELECTRICAL CHARACTERISTICS

(V

DVDD

= V

DVDDIO

= 1.8V, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Serial-Clock Frequency

f

SCL

0

400

kHz

Bus Free Time Between STOP
and START Conditions

t

BUF

1.3

µs

Hold Time (Repeated) START
Condition

t

HD,STA

0.6

µs

SCL Pulse Width Low

t

LOW

1.3

µs

SCL Pulse Width High

t

HIGH

0.6

µs

Setup Time for a Repeated
START Condition

t

SU,STA

0.6

µs

Data Hold Time

t

HD,DAT

0

900

ns

Data Setup Time

t

SU,DAT

100

ns

SDA and SCL Receiving
Rise Time

t

R

C

B

is in pF

20 + 0.1C

B

300

ns

SDA and SCL Receiving
Fall Time

t

F

C

B

is in pF

20 + 0.1C

B

300

ns

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