CS4396-KS Ver la hoja de datos (PDF) - Cirrus Logic

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CS4396-KS

24-Bit, 192 kHz D/A Converter for Digital Audio

Cirrus Logic 

CS4396

SWITCHING CHARACTERISTICS - CONTROL PORT

(TA = 25 °C; VD = 5.25 V to 3.0 Volts; Inputs: logic 0 = AGND, logic 1 = VD, CL = 30 pF)

Parameter

Symbol

Min

Max

Unit

I2C® Mode

SCL Clock Frequency

fscl

-

100

KHz

RST Rising Edge to Start

tirs

500

-

ns

Bus Free Time Between Transmissions

tbuf

4.7

-

µs

Start Condition Hold Time (prior to first clock pulse)

thdst

4.0

-

µs

Clock Low time

tlow

4.7

-

µs

Clock High Time

thigh

4.0

-

µs

Setup Time for Repeated Start Condition

tsust

4.7

-

µs

SDA Hold Time from SCL Falling

(Note 8)

thdd

0

-

µs

SDA Setup time to SCL Rising

tsud

250

-

ns

Rise Time of Both SDA and SCL Lines

tr

-

1

µs

Fall Time of Both SDA and SCL Lines

tf

-

300

ns

Setup Time for Stop Condition

tsusp

4.7

-

µs

Notes: 8. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.

RST

t irs

Stop

Start

Repeated

Start

SDA

SCL

t buf

t hdst

t high

t hdst

tf

t

t

low

hdd

t sud

t sust

tr

Figure 2. I2C Control Port Timing

Stop

t susp

DS288PP1

9

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