m56759fp Mitsumi Electronics, Corp., m56759fp Datasheet

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m56759fp

Manufacturer Part Number
m56759fp
Description
4-channel Actuator Driver
Manufacturer
Mitsumi Electronics, Corp.
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M56759FP
Manufacturer:
MIT
Quantity:
20 000
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-
29
35
38
24
25
27
28
31
30
34
36
37
39
40
+
+
+
+
-
-
-
-
+
+
CH1
CH2
+
-
-
+
-
-
A3
A3
A3
A3
E1
E2
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
A4
10 11
18
OP1
-
MITSUBISHI <CONTROL / DRIVER IC>
32 33
OP1OUT
TSD
VM3(+)
VM4(+)
OP1
OUT
VREF0
17
VM3(-)
VM4(-)
GND
VCC2
VREF
OUT3
IN4A-
IN4B-
OP1+
OP2+
OP1-
OP2-
IN3+
4-CHANNEL ACTUATOR DRIVER
Vm3
Vm2
IN3-
VCC1
23
VCC2
1
10
11
12
13
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
5
7
6
Vm2
IN4B-
IN4A-
VM4(+)
VM4(-)
VM3(-)
VM3(+)
IN3-
IN3+
OUT3
Vm3

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m56759fp Summary of contents

Page 1

... OP2 OP1 VCC2 VREF0 BIAS VCC1 Hi:Sleep TSD 1ch 4ch SLEEP 2ch 3ch MUTE1 MUTE2 GND (4PIN) M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER 1 42 MUTE2 2 41 MUTE1 3 40 SOUT2 IN3 SIN2- IN3 IN2+ Vm3 6 37 IN2- 7 ...

Page 2

... Free Air Limits Unit Min. Typ. Max. 4.5 5.0 5 Vm+1.0 V 5.0 M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER Function OP2 amplifier output 5V power supply S1 amplifier output S1 amplifier inverted input Motor power supply-1 E1 amplifier non-inverted input E1 amplifier inverted input E1 amplifier output CH1 inverted output CH1 non-inverted output GND ...

Page 3

... VREF=2.5V (OUT1–VREFO) {VM2(+)–VM2(-)} at VREF=2.5V (OUT2–VREFO) {VM3(+)–VM3(-)} at VREF=2.5V (OUT3–VREFO) -1 · {VM4(+)–VM4(-)} at VREF=2.5V (I N4A[-]–VREFO) {SOUT1 - VREFO} at VREF=2.5V (VM1[+] - SI N1[-] ) {SOUT2 - VREFO} at VREF=2.5V (VM2[+] - SI N2[-] ) M56759FP/AFP Limits Unit Min. Typ. Max 9 500 A 0.8 1.20 V 0.8 1.20 V ...

Page 4

... Differential voltage gain = X10 MITSUBISHI <CONTROL / DRIVER IC> <INPUT> + VREFO 31 VM1+ - CH1 + 30 - <OUTPUT> VM1- VREFO <INPUT> + VREFO 34 VM2+ - CH2 + 35 - <OUTPUT> VM2- VREFO <INPUT> + VREFO 9 VM3+ - CH3 + 8 - <OUTPUT> VM3- Vrefm3 (Vm3/2) M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER OUT1 0.2V VM1+ VM1- 0.5V 0.5V OUT2 0.2V VM2+ VM2- 0.5V 0.5V OUT3 0.2V VM3+ VM3- 1.0V 1.0V ...

Page 5

... VM2 10K Voltage gain = X2 GainS2 MITSUBISHI <CONTROL / DRIVER IC> <INPUT> + VREFO 12 VM4+ - CH4 + 13 VM4- - <OUTPUT> Vrefm4 (Vm4/2) <INPUT> VM1+ 24 SOUT1 <OUTPUT> 3 VREFO VREFO <INPUT> VM2+ 40 SOUT2 <OUTPUT> 3 VREFO VREFO M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER Vctl4 1.0V VM4- VM4+ 0.8V 0.8V SIN1- 0.5V SOUT1 1.0V SIN2- 0.5V SOUT2 1.0V ...

Page 6

... CH2 5.0 4.0 3.0 2.0 VM1+ 1.0 VM1- 0 0.8 1.0 0.2 CH4 5.0 4.0 0.46V 3.0 2.0 0.5V 1.0 0 0.8 1.0 0.2 CH2 5.0 4.0 3.0 2.0 VM1+ 1.0 VM1- 0 0.8 1.0 0.2 CH4 5.0 4.0 3.0 2.0 0.5V 1.0 0 0.8 1.0 0.2 M56759FP/AFP Vm1=VCC1=5V,VCC2=12V 0.3V VM2+,VM2- VM2+ 0.5V 0.3V VM2- 0.4 0.5 0.6 0.8 1.0 Load Current (mA) Vm2=VCC1=5V,VCC2=12V VM4+,VM4- 0.3V 0.6V 0.6V 0.3V VM4+,VM4- 0.4 0.5 0.6 0.8 1.0 Load Current (mA) Vm1=VCC1=VCC2=5V VM2+,VM2- 1.0V VM2+ 0.5V 0.3V VM2- 0.4 0.5 0.6 0.8 1.0 Load Current (mA) Vm2=VCC1=VCC2=5V VM4+,VM4- 1.0V 0.6V 0.3V VM4+,VM4- 0.4 0.5 0.6 0.8 1.0 Load Current (mA) ...

Page 7

... THERMAL DERATING 6. 0 (W) With infinite heatsink Without heatsink Ambient temperature (Ta) MITSUBISHI <CONTROL / DRIVER IC> 4-CHANNEL ACTUATOR DRIVER 100 125 150 (˚C) M56759FP/AFP ...

Page 8

... • • (V/V) =16.9dB if. Ra=10 Current gain = 7/10 = 0.7 (A/V) MITSUBISHI <CONTROL / DRIVER IC> •single input (linear signal) •Direct voltage control 10K 5K 10K 5K 5K 10K 10K 12.5K 5K 12.5K 5K 12.5K 5K 12.5K 5K 10K 10K 5K 5K 10K 5K 10K M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER 3 2.5V 2 10K 10K 25K 12.5K 2.5K 12 12.5K 2.5K 12.5K 2.5K 13 12V 2.5K 12.5K 1 2.5K 12.5K 8 2.5K 12.5K 2.5K 12. ...

Page 9

... MITSUBISHI <CONTROL / DRIVER IC> •single input (linear signal) •Direct current control (for FOCUS and TRACKING) 10K 5K S1 10K 10K 10K 12.5K 5K 12.5K 5K 12.5K 5K 10K 12.5K 5K 10K 5K 5K 10K 5K 10K M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER 3 2.5V 2 10K 10K 25K 12.5K 2.5K 12 12.5K 2.5K 12.5K 2.5K 13 12V 2.5K 12.5K 1 2.5K 12.5K 8 2.5K 12 ...

Page 10

... MITSUBISHI <CONTROL / DRIVER IC> •Differential PWM input (for FOCUS, TRACKING and TRAVERSE) •Direct voltage control 10K 10K 4K 2.5K 5K 12.5K 2.5K 12.5K 2.5K 5K 12.5K 2.5K 12.5K 5K 2.5K 12.5K 12.5K 5K 2.5K 12.5K 5K 2.5K 12.5K 5K 2.5K 12.5K 10K 10K M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER 3 2.5V 2 10K 10K 25K 12. 12V 10K 10K ...

Page 11

... MITSUBISHI <CONTROL / DRIVER IC> •Differential PWM input (for FOCUS, TRACKING and TRAVERSE) •Direct current control (for FOCUS and TRACKING) 10K 10K 4K 2.5K 5K 2.5K 2.5K 12.5K 5K 12.5K 2.5K 5K 2.5K 12.5K 5K 2.5K 12.5K 5K 2.5K 5K 2.5K 10K 10K M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER 3 2.5V 2 10K 10K 25K 12.5K 12 12.5K 12.5K 13 12V 12.5K 1 12.5K 8 12.5K 12. 12. ...

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