ca3228 Harris Corporation, ca3228 Datasheet - Page 2

• Manufacturer Part Number: ca3228
• Description: Speed Control System With Memory
• Manufacturer: Harris Corporation

Electrical Specifications
Absolute Maximum Ratings
Supply Voltage, V
Supply Current, I
Driver Command Input (I
Brake Input (I
Storage Temperature Range . . . . . . . . . . . . . . . . -65
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . +150
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Typical Switching Characteristics
Driver Command Input Hold Times (Based on 0.68 F on Pin 4):
System Performance
Speed Sensor Input Frequency Range, f
Speed Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45 mph
Minimum Operating Speed. . . . . . . . . . . . . . . . . . . . . . . . . . 25 mph
Operating Voltage
Speed Sensor Input Voltage Amplitude
V
Current Sense Voltage
Align Voltage
Command Idle Voltage
RESUME Command Voltage
ACCEL Command Voltage
COAST Command Voltage
OFF Voltage
ON Voltage
Brake Input Voltage
OUTPUT VOTLAGE
Gate
VAC
VENT
ACCEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
COAST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
RESUME. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330ms
CC
Supply Current
BRAKE
PARAMETERS
CC
CC
), Pin 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
CMD
), Pin 3 . . . . . . . . . . . . . . . . . . . . 2mA
F
OSC
= 50kHz, f
T
A
= +25
S
at Pin 8 . .62Hz to 222Hz
o
C, V
S
/Speed Ratio = 2.22Hz/mph
CC
SYMBOLS
V
V
V
Specifications CA3228
V
V
= 8.20V, Unless Otherwise Specified (Refer to Figures 2 and 3)
V
3COAST
3ACCEL
V
BRAKE
V
V
V
V
V
V
V
V
3IDLE
I
3RES
3OFF
V
3ON
CC
o
CC
OH
OH
OH
OL
OL
OL
17
C to +150
7
o
o
TEST PIN
C
C
10-32
T.P.B.
T.P.A.
13
13
17
12
23
22
21
7
3
3
3
3
3
Thermal Information
Thermal Resistance
Power Dissipation Per Package
Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . +265
Operating Temperature Range . . . . . . . . . . . . . . . . -40
Internal Oscillator Frequency, F
Maximum Stored Speed . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mph
Redundant Brake Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 mph
(Based on 0.001 F at Pin 5)
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
For T
For T
ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
A
A
= -40
Above +70
TEST CONDITIONS
62Hz
S1, S2, S3, S4, S5
43k to Ground
41k to Ground
4.7k to V
1.2k to V
1.2k to V
S2 Closed
S3 Closed
S4 Closed
S5 Closed
S1 Closed
S6 Closed
o
C to +70
Open
f
S
o
C . . . . . . . . . . . Derate Linearly at 15.4mW/
222Hz
CC
CC
CC
o
C . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2mW
OSC
. . . . . . . . . . . . . . . . . . . 10kHz
7.40
3.50
7.50
4.85
4.00
5.95
3.95
1.22
MIN
7.6
9.2
5.4
0
8
8
8
-
-
-
MAX
9.00
15.0
30.0
5.95
4.20
6.56
4.91
2.23
0.77
300
400
400
7.9
28
28
-
-
-
o
C to +85
UNITS
Vpp
mA
mV
mV
mV
o
V
V
V
V
V
V
V
V
V
V
V
V
V
JA
C/W
o
o
o
C
C
C