M56759AFP Mitsubishi, M56759AFP Datasheet
M56759AFP
Manufacturer Part Number
M56759AFP
Description
4-CHANNEL ACTUATOR DRIVER
Manufacturer
Mitsubishi
Datasheet
1.M56759AFP.pdf
(11 pages)
DESCRIPTION
The M56759 is a semiconductor integrated circuit designed for a
CD-ROM actuator driver. This device can function 4-channel-
actuators by 1 chip due to include 4 channel BTL drivers.
Three channels of this device, ch1, ch2 and ch3 can be controlled
by PWM pulse. Two of them, ch1 and ch2 can also act in the
Current Control mode.
Furthermore, this device includes two mute circuits and TSD
function.
FEATURES
APPLICATION
CD-ROM
BLOCK DIAGRAM
Low saturation voltage (at bootstrap).
(typical 0.7V at load current 500mA)
Wide supply voltage range.
(4.5V to 13.2V)
Low cross-over distortion.
Two naked Operational Amplifiers
Divided Motor power supplies into three parts
SOUT1
VM1(+)
VM2(+)
SOUT2
VM1(-)
VM2(-)
OUT1
OUT2
SIN1-
SIN2-
IN1+
IN2+
IN1-
IN2-
24
27
29
30
35
34
36
37
38
39
40
25
28
31
+
+
+
+
-
-
-
-
+
CH1
CH2
+
+
-
+
-
-
-
A3
A3
A3
A3
E2
E1
S2
S1
Vm1
VREF0
26
3
MUTE1
VREF
41
-
BIAS
A2
2
OP2+ OP2-
2ch
3ch
1ch
20 21
A4
MUTE2
-
OP2
42
VREF0
VCC2
VCC1
OP2
OUT
22
PIN CONFIGURATION (TOP VIEW)
4ch
OP1+ OP1-
Hi:Sleep
GND (4PIN)
SLEEP
19
10 11
A4
18
OP1
-
MITSUBISHI <CONTROL / DRIVER IC>
32 33
OP1OUT
TSD
VM3(+)
VM4(+)
OP1
OUT
17
VREF0
VM3(-)
VM4(-)
GND
VCC2
VREF
OUT3
IN4A-
IN4B-
OP1+
OP2+
OP1-
OP2-
IN3+
4-CHANNEL ACTUATOR DRIVER
Vm3
Vm2
IN3-
VCC1
23
VCC2
1
12
13
10
11
14
15
16
17
18
19
20
21
Outline 42P2R-D
1
2
3
4
5
6
7
8
9
M56759FP/AFP
E4
E3
CH3
CH4
A3
A1
A1
A1
+
+
+
+
-
-
-
-
42
41
40
39
38
37
36
35
34
33
32
31
30
29
26
25
24
23
22
28
27
+
+
+
+
-
-
-
-
MUTE2
MUTE1
SOUT2
SIN2-
IN2+
IN2-
OUT2
VM2(-)
VM2(+)
VM1(+)
VM1(-)
OUT1
IN1-
IN1+
Vm1
SIN1-
SOUT1
VCC1
OP2OUT
GND
15
16
14
12
13
8
9
4
7
6
5
Vm2
IN4B-
IN4A-
VM4(+)
VM4(-)
VM3(-)
VM3(+)
IN3-
IN3+
OUT3
Vm3
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