CS4225-BL datasheet(7/30 Pages) CIRRUS

Part #	CS4225-BL

Description	Digital Audio Conversion System

Download	30 Pages

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Manufacturer	CIRRUS [Cirrus Logic]

Direct Link	http://www.cirrus.com

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SWITCHING CHARACTERISTICS - CONTROL PORT

(TA = 25

oC; VD+, VA+ = 5V±10%;Inputs: logic 0 = DGND, logic 1 = VD+, CL = 20pF)

Parameter

Symbol

Min

Max

Units

I

2C® Mode (H/S = floating)

Note 10

SCL Clock Frequency

fscl

0

100

kHz

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 11

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: 10. Use of the I

2C® bus interface requires a license from Philips.

I

2C® is a registered trademark of Philips Semiconductors.

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

t buf

t hdst

t

hdst

t

low

t r

t f

t

hdd

t high

t sud

t sust

t susp

Stop

Start

Stop

Repeated

SDA

SCL

CS4225

DS86PP8

7

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