M56788 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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M56788 Datasheet PDF : 8 Pages
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MITSUBISHI <CONTROL / DRIVER IC>
M56788FP
5 CHANNEL ACTUATOR DRIVER
MUTE Function
M56788FP has 2 MUTE terminals and the functions are as follows.
MUTE 1
26 pin
High
Low/Open
High
Low/Open
MUTE 2
25 pin
High
High
Low/Open
Low/Open
Power and Control Amp.
circuits of CH1 to CH4.
ENABLE
DISABLE
ENABLE
DISABLE
Power and Control Amp.
circuits of CH5.
ENABLE
ENABLE
DISABLE
DISABLE
VREF Amp.
ENABLE
ENABLE
ENABLE
DISABLE
When both MUTE1 inputs and MUTE 2 inputs are low voltage or open, the IC is in Sleep Mode.
INPUT and OUTPUT CHARACTERISTICS of EACH CHANNELS
CH1,2
Vm1
<INPUT>
1.5V
VREFO
VREF
OUT
IN-
IN+
Reference 1.5V
r
-
+
Vrefm1
r Vrefm1 Amp.
R 2.5R
-
+
Vref Amp.
-
+
Input Amp.
+
-
R
2.5R
R
2.5R
+
-
R 2.5R
VM+
VM-
1.5V
0.2V
<OUTPUT>
Vrefm1
(Vm/2)
Gain=x5
0.5V
0.5V
OUT
VM+
VREG Amp.
ENABLE
ENABLE
ENABLE
ENABLE
VM-
CH3
1.5V
VREFO
VREF
CH3IN
OPOUT
OP-
OP+
Reference 1.5V
Vm2
r
-
+
Vrefm2
r Vrefm2 Amp.
R 4R
-
+
Vref Amp.
-
+
OP Amp.
+
-
R
4R
R
4R
+
-
R 4R
VM3+
VM3-
<INPUT>
1.5V
0.2V
CH3IN
<OUTPUT>
VM3+
Vrefm2
(Vm/2)
Gain=x8
0.8V
0.8V
VM3-
CH4,5
Vm2
<INPUT>
OUT
r
-
+
Vrefm2
r Vrefm2 Amp.
R 4R
1.5V
0.2V
VREFO
+
1.5V
-
VREF
+
-
R
4R
VM+
<OUTPUT>
VM+
VM-
Vref Amp.
OUT
R
4R
IN-
IN+
-
+
+
-
VM-
Input Amp.
R 4R
Vrefm2
(Vm/2)
0.8V
0.8V
Reference 1.5V
Gain=x8
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