ML1538 Datasheet, PDF (12/17 Pages) Minilogic Device Corporation Limited – 4-ch Motor Driver for Portable CD players

ML1538
_______________________________________________________________
™ 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
< Op Amp >
Input Bias Current
Input Offset Voltage
High Level Output Voltage
Low Level Output Voltage
Output Drive Current (Source)
I_BIAS
V_OIOP
V_OHOP
V_OLOP
I_SOU
OP+=1.6V
R_L=OPEN
R_L=OPEN
50Ω GND
300 nA
-5.5 0
5.5 mV
2.8
V
0.2
V
-6.5 -3.0 mA
Output Drive Current (Sink)
I_SIN
50Ω VSYS1
0.4 0.7
mA
Open Loop Voltage Gain
Slew Rate
GVO
SR
V_IN=-75dBV, f=1kHz
70
dB
0.5
V/µs
< Battery Charging Circuit >
RCHG Pin Bias Voltage
V_RCHG
CHGVcc=4.5V, RCHG=1.8 kΩ
0.71 0.81 0.91 V
RCHG Pin Output Resistance
R_RCHG
CHGVcc=4.5V, RCHG=0.5 and 0.6V 0.75 0.95 1.2 kΩ
SEL Pin Leak Current 1
I_SELLK1
CHGVcc=4.5V, RCHG=OPEN,
BATT=4.5V
1.0 µA
SEL Pin Leak Current 2
I_SELLK2
CHGVcc=0.6V, RCHG=1.8 kΩ,
BATT=4.5V
1.0 µA
SEL Pin Saturation Voltage
V_SELCG CHGVcc=4.5V, Io=300mA, RCHG=0kΩ
0.45 1.00 V
4ch Motor Driver for Portable CD Player
12/17
March, 2004 V1.0