MAX14570 datasheet(4/20 Pages) MAXIM

4 / 20 page

(VDD = +2.3V to +5.5V, RVCM=15Ω,LVCM = 47µH, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +3.6V

and TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Current Ripple

IRPL

FREQ[2:0] = 001, measured peak to

peak

DriverEfficiency

EFF

I_OUT[9:0] = 0x148 (~32mA)

Supply Voltage Feedthrough

I_OUT[9:0] = 0x148 (~32mA), measured

with fS = 217Hz, VS = 200mVP-P

3.5

LSB

Output Current Settling Time

tSV

Any value to any other value transition,

measured from I2C write complete to

outputsettlingwithin10LSBoffinal

value, TSHP = 0 (Notes 4, 5)

250

µs

POWER STATE TIMING (Figure 1)

Timeout to Detect SCL from

Power-On

tVBAT-GOOD (Note 5)

150

µs

Time from Shutdown to

Standby

tSH-ST

(Note 5)

100

µs

Time from Standby to Active

tST-A

(Note 5)

250

µs

SCL Low Hold Time to Trigger

Shutdown

tSCL-L

740

769.5

µs

Time from Active to Standby

tA-ST

(Note 5)

µs

Time from Standby to

Shutdown

tST-SH

(Note 5)

µs

Time from Active to Shutdown

tA-SH

(Note 5)

µs

CONTROL INPUTS (SDA, SCL)

Input Logic-High Voltage

VIH_

1.4

Input Logic-Low Voltage

VIL_

0.4

Input Logic Hysteresis

VIHYS

200

Output Logic-Low Voltage

VOL

ISINK = 2mA

0.4

Input Low Leakage Current

IIL_

-1

µA

Input High Leakage Current

IIH_

-1

µA

Input Capacitance

CIN

I2C INTERFACE (Figure 6)

Serial-Clock Frequency

fSCL

1000

kHz

Bus Free Time Between

START and STOP Condition

tBUF

0.5

µs

MAX14570

High-Efficiency Voice Coil Motor Driver

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

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