Datasheet > ADP1655

ADP1655

更新时间： 2022-05-26 01:02:02

品牌	Logo	应用领域
亚德诺 - ADI		驱动器闪光灯
页数	文件大小	规格书
24页	664K
描述
Dual LED Flash Driver with I2C-Compatible Interface

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ADP1655 数据手册

ADP1655

I²C-COMPATIBLE INTERFACE TIMING SPECIFICATIONS

Table 3.

Parameter¹

f_SCL

t_HIGH

t_LOW

Min

Max

Unit

kHz

μs

Description

400

SCL clock frequency

SCL high time

SCL low time

0.6

1.3

μs

t_{SU, DAT}

t_{HD, DAT}

t_{SU, STA}

t_{HD, STA}

t_BUF

t_{SU, STO}

t_R

t_F

100

0.6

1.3

0.6

20 + 0.1 C_B

μs

Data setup time

Data hold time

0.9

Setup time for repeated start

Hold time for start/repeated start

Bus free time between a stop and a start condition

Setup time for stop condition

Rise time of SCL and SDA

Fall time of SCL and SDA

Pulse width of suppressed spike

Capacitive load for each bus line

300

t_SP

C_B

400

¹Guaranteed by design.

²C_Bis the total capacitance of one bus line in picofarads.

SDA

t_BUF

t_F

t_LOW

t_R

t_F

t_SP

t_{SU, DAT}

t_{HD, STA}

SCL

t_HIGH

t_{SU, STA}

t_{SU, STO}

t_{HD, DAT}

S = START CONDITION

Sr = REPEATED START CONDITION

P = STOP CONDITION

Figure 3. I²C-Compatible Interface Timing Diagram

Rev. 0 | Page 5 of 24

1 2 3 456 7 8...24

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