NJM3774 New Japan Radio, NJM3774 Datasheet - Page 5

• Manufacturer Part Number: NJM3774
• Description: DUAL STEPPER MOTOR DRIVER
• Manufacturer: New Japan Radio

Parameter
Thermal resistance
Notes
1. All voltages are with respect to ground. Currents are positive into, negative out of specified terminal.
2. All ground pins soldered onto a 20 cm
3. Not covered by final test program.
4. Switching duty cycle D = 30%, f
Electrical characteristics over recommended operating conditions unless otherwise noted, - 20 C
Parameter
General
Supply current
Total power dissipation
Total power dissipation
Thermal shutdown junction temperature
Turn-off delay
Logic Inputs
Logic HIGH input voltage
Logic LOW input voltage
Logic HIGH input current
Logic LOW input current
Comparator Inputs
Threshold voltage
| V
Input current
Reference Inputs
Input resistance
Input current
Motor Outputs
Lower transistor saturation voltage
Lower transistor leakage current
Lower diode forward voltage drop
Upper transistor saturation voltage
Upper transistor leakage current
Chopper Oscillator
Chopping frequency
CH1
THERMAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
- V
CH2
| mismatch
s
= 26.5 kHz.
2
Symbol
Rth
Rth
Rth
Rth
Symbol
V
PCB copper area with free air convection, T
V
V
I
P
P
V
CH,diff
R
I
I
t
I
I
CC
f
IH
IL
CH
C
R
d
s
IH
D
D
IL
J-GND
J-A
J-GND
J-A
R
DIP package.
DIP package. Note 2.
PLCC package.
PLCC package. Note 2.
Note 4.
V
Notes 2, 3, 4.
V
Notes 2, 3, 4.
T
I
V
V
R
R
T
V
I
V
I
I
V
C
M
M
M
M
A
A
MM
MM
I
I
R
MM
MM
C
C
T
= 100 mA. Note 3.
= 750 mA
= 750 mA
= 750 mA.
= 2.4 V
= 0.4 V
= +25 C, dV
= +25 C
= 2.5 V
= 3300 pF, R
= 1 kohm, V
= 1 kohm
= 12 V, I
= 12 V, I
= 41 V, V
= 41 V, V
M1
M1
E
E
C
= V
= V
= I
= 1000 mA, I
Conditions
R
/dt
T
Conditions
= 2.50 V
= 15 kohm
M2
R
R
= 0 V, V
= 750 mA.
= 0 V, V
50 mV/ s.
C
M2
C
= V
= V
= 0 mA.
CC
CC
A
= +25 C.
25.0
-0.4
430
2.0
-10
Min
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
T
J
+125 C.
26.5
160
450
Typ
2.6
2.6
1.4
0.5
0.6
1.2
1.1
60
Typ
1
5
NJM3774
-
-
-
-
-
-
-
11
40
9
35
28.0
470
700
700
Max
2.9
2.9
2.0
0.8
1.0
0.9
1.5
1.4
75
20
Max
1
-
-
-
-
-
-
-
-
-
kohm
kHz
Unit
mA
mA
mV
mV
mA
Unit
C/W
C/W
C/W
C/W
W
W
V
V
V
V
V
C
A
A
A
A
s