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ML1538 Fiches technique(PDF) 9 Page - Minilogic Device Corporation Limited

No de pièce ML1538
Description  4-ch Motor Driver for Portable CD players
PDF  17 Pages
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Fabricant  MINILOGIC [Minilogic Device Corporation Limited]
Site Internet  http://www.minilogic.com.hk
Logo MINILOGIC - Minilogic Device Corporation Limited

ML1538 Fiches technique(HTML) 9 Page - Minilogic Device Corporation Limited

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_______________________________________________________________
ML1538
4ch Motor Driver for Portable CD Player
March, 2004 V1.0
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply Voltage
VCC *1
13.5
V
Driver Output Current
IO
500
mA
Power Dissipation
Pd
625 *2
mW
Operating Temperature
TOPR
-30 ~ +85
°C
Storage Temperature
TSTG
-55 ~ +150
°C
*1 Vcc shows input voltage of VSYS1, VSYS2, HVCC, BATT, and CHGVCC.
*2 Reduced by 5mW for each increase in Ta of 1
°C over 25°C
Recommended Operating Conditions
Item
Symbol
Min.
Typ.
Max.
Unit
Control Circuit Power Supply Voltage
VSYS1
2.7
3.2
5.5
V
Pre-Driver Circuit Power Supply Voltage
VSYS2
2.7
3.2
5.5
V
H-Bridge Power Supply Voltage
HVcc
PWM
BATT
V
Power Supply Voltage
BATT
1.5
2.4
8.0
V
Charging Circuit Power Supply Voltage
CHGVcc
3.0
4.5
8.0
V
Operating Temperature
Ta
-10
25
70
°C
Electrical Characteristics
(unless otherwise specified, Ta=25
°C, BATT=2.4V, VSYS1=VSYS2=3.2V, Vref=1.6V, CHGVcc=0V, fCLK=88.2kHz)
Item
Symbol
Measurement Conditions
Min.
Typ.
Max.
Unit
< Common Section >
BATT Stand-by Current
IST
BATT=9.0V,
VSYS1=VSYS2=Vref=0V
0
3
µA
BATT Supply Current (No load)
IBAT
HVcc=0.45V, MUTE34=3.2V
2.5
4.0
mA
VSYS1 Supply Current (No load)
ISYS1
HVcc=0.45V, MUTE34=3.2V, EI=0V
4.7
6.4
mA
VSYS2 Supply Current (No load)
ISYS2
HVcc=0.45V, MUTE34=3.2V
4.1
5.5
mA
CHGVcc Supply Current (No load)
ICGVCC
CHGVcc=4.5V, ROUT=OPEN
0.65
2.00
mA
< H-Bridge Driver Part >
Voltage Gain ch1, ch3.ch4
GVC134
12
14
16
dB
Voltage Gain ch2
GVC2
21.5
23.5
24.5
dB
Gain Error By Polarity
⊿
GVC
-2
0
2
dB
Input pin resistance ch1,ch3,ch4
RIN134
IN=1.7V and 1.8V
9
11
13
k
Ω
Input pin resistance ch2
RIN2
IN=1.7V and 1.8V
6
7.5
9
k
Ω
Maximum Output Voltage
VOUT
RL=8Ω, HVcc=BATT=4.0V,
IN=0-3.2V
1.9
2.1
V
Saturation Voltage (Lower)
VsatL
Io=-300mA, IN=0 and 3.2V
240
400
mV
Saturation Voltage (Upper)
VsatU
Io=-300mA, IN=0 and 3.2V
240
400
mV
Input Offset Voltage
VOI
-8
0
8
mV
Outut Offset Voltage ch1,ch3,ch4
VOO134
Vref=IN=1.6V
-50
0
50
mV
Output Offset Voltage ch2
VOO2
Vref=IN=1.6V
-130
0
130
mV
Dead Zone
VDB
-10
0
10
mV
BRAKE1ON Threshold Voltage
VBRON
IN1=1.8V
2.0
V
BRAKE1OFF Threshold Voltage
VBROFF
IN1=1.8V
0.8
V
MUTE2 ON Threshold Voltage
VM2ON
IN2=1.8V
2.0
V
9/17



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