ADP1660ACBZ-R7 datasheet(5/28 Pages) AD

Part #	ADP1660ACBZ-R7

Description	Dual 750 mA LED Flash Driver with I2C-Compatible Interface

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Manufacturer	AD [Analog Devices]

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Data Sheet

ADP1660

Rev. 0 | Page 5 of 28

I2C-COMPATIBLE INTERFACE TIMING SPECIFICATIONS

Table 3.

Parameter1

Min

Max

Unit

Description

fSCL

1000

kHz

SCL clock frequency

tHIGH

0.26

μs

SCL high time

tLOW

0.5

μs

SCL low time

tSU, DAT

50

ns

Data setup time

tHD, DAT

0

0.9

μs

Data hold time

tSU, STA

0.26

μs

Setup time for repeated start

tHD, STA

0.26

μs

Hold time for start/repeated start

tBUF

0.5

μs

Bus free time between a stop and a start condition

tSU, STO

0.26

μs

Setup time for stop condition

tR

20 + 0.1 CB2

120

ns

Rise time of SCL and SDA

tF

20 + 0.1 CB2

120

ns

Fall time of SCL and SDA

tSP

0

50

ns

Pulse width of suppressed spike

CB2

400

pF

Capacitive load for each bus line

1 Guaranteed by design.

2 CB is the total capacitance of one bus line in picofarads.

Timing Diagram

SDA

SCL

S

S = START CONDITION

Sr = REPEATED START CONDITION

P = STOP CONDITION

Sr

P

S

tLOW

tR

tHD, DAT

tHIGH

tSU, DAT

tF

tSU, STA

tHD, STA

tSP

tSU, STO

tBUF

tR

Figure 3. I2C-Compatible Interface Timing Diagram

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ADP1660ACBZ-R7 Datasheet(PDF) 5 Page - Analog Devices

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