INVERTING INPUT
+9 TO 32 VOLT DC
2.625"
66.7mm
3.25"
82.6mm
3.0"
76.2mm
3.650"
92.7mm
4.0"
101.6mm
0.85"
21.6mm
0.125"
3.2mm
0.186”
4.7mm
0.20"
5.1mm
SPEED GAIN
MOTOR OUTPUT (+)
CURRENT LIMIT
CURRENT LIMIT
CURRENT SENSE
SUMMING NODE
NON-INVERTING INPUT
MOTOR OUTPUT (-)
SUPPLY GROUND
11
0
9
8
7
6
5
4
3
2
M
O
T
O
R
CENTENT CN0121A
H-BRIDGE AMPLIFIER
POWER
SUPPLY
R
1
see table
10K
SPEED
POT
CW increases gain
CURRENT LIMIT
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
open
5400 ohm
2400 ohm
1400 ohm
900 ohm
600 ohm
400 ohm
257 ohm
150 ohm
AMPS RESISTOR
SPECIFICATIONS
ELECTRICAL MIN.
MAX.
UNIT
Power Supply Voltage
9
32
VDC
Power Supply Current *
--
70
mA
Motor Voltage *
-25
+25
VDC
Maximum Load Current
-5
+5
A
Voltage Gain
25.6
28.3
%
Frequency Response
DC
20
KHz
Common Mode Range
-1
Vsupply V
Input Impedance
--
10K
ohms
Input Offset
--
20
mV
Input Bias Current (inputs grounded)
--
150
µA
Current Range Limit
-5
+5
A
Current Sense Output
0
15
V/A
* using 28 VDC power supply
ENVIRONMENTAL MIN.
MAX.
UNIT
Operating Temperature
-40
+70
ºC
Weight 300
400
gram
Terminal Screw Torque
4.5
lb/in
5
