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MM1538XQ

4-ch Motor Driver for Portable CD Players

Mitsumi 

MITSUMI

4ch Moter driver IC for Portable CD Player

Electrical Characteristics (unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V,

CHGVcc=0V,fCLK=88.2kHz)

Item

<Interface>

Symbol

START Pin Bias Current

ISTART

CLK Pin Threshold Voltage"H"

CLK Pin Threshold Voltage"L"

CLK Pin Bias Current

<Dead Time>

DEAD Pin Impedance

DEAD Pin Output Voltage

<Starter Circuit>

Starter Switching Voltage

Starter Switching Hysteresis Width

Discharge Release

<Empty Detection>

EMP Detection Voltage 1

EMP Detection Voltage 2

EMP Detection Hysteresis Voltage 1

EMP Detection Hysteresis Voltage 2

EMP Pin Output Voltage

EMP Pin Output Leak Current

BSEN Pin Input Resistance

BSEN Pin Leak Current

SEL Pin Detection Voltage

SEL Pin Detection Current

<Reset Circuit>

VSYS1 RESET Threshold Voltage Ratio

RESET Detection Hysteresis Width

RESET Pin Output Voltage

RESET Pin PULL UP Resistance

AMUTE Pin Output Voltage 1

AMUTE Pin Output Voltage 2

AMUTE Pin PULL DOWN Resistance

<Op Amp>

Input Bias Current

Input Offset Voltage

High Level Output Voltage

Low level Output Voltage

Output Drive Current (Source)

Output Drive Current (Sink)

Open Loop Voltage Gain

Slew Rate

<Battery Charging Circuit>

RCHG Pin Bias Voltage

VCLKTHH

VCLKTHL

ICLK

RDEAD

VDEAD

VSTNM

VSNHS

VDIS

VEMPT1

VEMPT2

VEMHS1

VEMHS2

VEMP

IEMPL

RBSEN

IBSENL

VSELTH

ISELT

HSRT

VRSTHS

VRST

RRST

VAMT1

VAMT2

RAMT

IBIAS

VOIOP

VOHOP

VOLOP

ISOU

ISIN

GVO

SR

VRCHG

Measurement Conditions

Min. Typ. Max. Unit

START=0V

CLK=3.2V

10 20 30

µA

13 16 19

2.0

V

0.8 V

10 µA

52 65 78 kΩ

0.78 0.88 0.98 V

VSYS1=VSYS2=0V 3.2V, START=0V

START=0V

2.3 2.5 2.7 V

130 200 300 mV

1.63 1.83 2.03 V

VSEL = 0V

ISEL =- 2µA

VSEL = 0V

ISEL =- 2µA

Io=1mA, BSEN=1V

BSEN=2.4V

VSEL = 0V

VSYS1=VSYS2=0V, BSEN=4.5V

VSELTH=BATT-SEL, BSEN=2.0V

2.1 2.2 2.3 V

1.7 1.8 1.9 V

25 50 100 mV

25 50 100 mV

0.5 V

1.0 µA

17 23 27 kΩ

1.0 µA

1.5

V

-2

µA

Comparison with error amplifier threshold voltage 85 90 95 %

25 50 100 mV

Io=1mA, VSYS1=VSYS2=2.8V

0.5 V

72 90 108 kΩ

Io=-1mA, VSYS1=VSYS2=2.8V

BATT-0.4

BATT V

Io=-1mA, START=0V, VSYS1=VSYS2=0V

BATT-0.4

BATT V

77 95 113 kΩ

OP+=1.6V

RL=OPEN

RL=OPEN

50Ω GND

50Ω VSYS1

VIN=-75dBV, f=1kHz

300 nA

-5.5 0 5.5 mV

2.8

V

0.2 V

-6.5 -3.0 mA

0.4 0.7

mA

70

dB

0.5

V/µs

CHGVCC=4.5V, RCHG=1.8kΩ

0.71 0.81 0.91 V

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