A3907 데이터 시트보기 (PDF) - Allegro MicroSystems

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A3907

Low Voltage Voice Coil Motor Driver

Allegro MicroSystems 

A3907

Low Voltage Voice Coil Motor Driver

ELECTRICAL CHARACTERISTICS (continued) Valid at TA = 25°C, VDD = 2.3 to 5.5 V; unless otherwise noted

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

I2C Interface

Setup Time for Stop Condition

tSU:STO

Logic Input (SDA, SCL Pins) Low Level

VIL

Logic Input (SDA, SCL Pins) High Level

VIH

¯S¯¯L¯¯E¯¯E¯¯P¯ Pin Input Low Level

VSLPINL

¯S¯¯L¯¯E¯¯E¯¯P¯ Pin Input High Level

VSLPINH

Input Hysteresis

VHYS SDA and SCL only

Logic Input Current

IIN

VIN = 0 V to VDD

SDA Pin Output Voltage

VOL

ILOAD = 1.5 mA

SCL Clock Frequency

fCLK

SDA Output Fall Time

tOF

VIH to VIL

1Assured by design and characterization, not production tested.

0.6

–

–

μs

–

–

0.84

V

1.26

–

–

V

–

–

0.7

V

1.5

–

–

V

–

100

–

mV

–1

0

1

μA

–

–

0.36

V

–

–

400

kHz

–

–

250

ns

tSU:STA tHD:STA

I2C Timing Diagram

tSU:DAT

tHD:DAT

SDA

SCL

tLOW

tHIGH

tSU:STO

tBUF

Allegro MicroSystems, LLC

4

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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