AK4342EN datasheet(12/43 Pages) AKM

12 / 43 page

ASAHI KASEI

[AK4342]

MS0506-E-02

2006/07

- 12 -

SWITCHING CHARACTERISTICS (Continued)

(Ta=25

°C; AVDD, DVDD, HVDD, PVDD=2.7 ∼ 3.6V; TVDD=2.7 ∼ 3.6V)

Parameter

Symbol

min

typ

max

Units

Control Interface Timing (I

2C Bus mode): (Note 29)

SCL Clock Frequency

fSCL

400

kHz

Bus Free Time Between Transmissions

tBUF

1.3

µs

Start Condition Hold Time (prior to first clock pulse)

tHD:STA

0.6

µs

Clock Low Time

tLOW

1.3

µs

Clock High Time

tHIGH

0.6

µs

Setup Time for Repeated Start Condition

tSU:STA

0.6

µs

SDA Hold Time from SCL Falling

(Note 30)

tHD:DAT

µs

SDA Setup Time from SCL Rising

tSU:DAT

0.1

µs

Rise Time of Both SDA and SCL Lines

0.3

µs

Fall Time of Both SDA and SCL Lines

0.3

µs

Setup Time for Stop Condition

tSU:STO

0.6

µs

Capacitive load on bus

400

Pulse Width of Spike Noise Suppressed by Input Filter

tSP

Note 29. I

2C is a registered trademark of Philips Semiconductors.

TVDD voltage must be 2.7V

∼ 3.6V in I2C mode.

Note 30. Data must be held long enough to bridge the 300ns-transition time of SCL.

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