CS4391-KZ(2000) Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Lista de partido

CS4391-KZ
(Rev.:2000)

24-Bit, 192 kHz Stereo DAC with Volume Control

Cirrus Logic 

CS4391

SWITCHING CHARACTERISTICS - I2C CONTROL PORT

(TA = 25° C; VL = 5.5 to 1.8 Volts; Inputs: logic 0 = AGND, logic 1 = VL, 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 23) 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: 23. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.

RST

t irs

Stop

Start

Repeated

Start

SDA

t buf

t hdst

t high

t hdst

tf

SCL

t low t hdd

t sud

t sust

tr

Figure 3. I2C Control Port Timing

Stop

t susp

10

DS335PP3

Share Link: