參數(shù)資料
型號： CA3228
廠商： Intersil Corporation
英文描述： Speed Control System with Memory
中文描述： 速度與記憶體控制系統(tǒng)
文件頁數(shù)： 2/9頁
文件大?。?/td> 113K
代理商： CA3228
10-32
Specifications CA3228
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9.0V
Supply Current, I
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Driver Command Input (I
CMD
), Pin 3 . . . . . . . . . . . . . . . . . . . . 2mA
Brake Input (I
BRAKE
), Pin 12. . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Storage Temperature Range . . . . . . . . . . . . . . . . -65
o
C to +150
o
C
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . .
+150
o
C
Thermal Resistance
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
o
C/W
Power Dissipation Per Package
For T
A
= -40
o
C to +70
o
C . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2mW
For T
A
Above +70
o
C . . . . . . . . . . . Derate Linearly at 15.4mW/
o
C
Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . +265
o
C
Operating Temperature Range . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
θ
JA
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
μ
F on Pin 4):
ACCEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
COAST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
RESUME. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330ms
ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
Internal Oscillator Frequency, F
OSC
. . . . . . . . . . . . . . . . . . . 10kHz
(Based on 0.001
μ
F at Pin 5)
System Performance
F
OSC
= 50kHz, f
S
/Speed Ratio = 2.22Hz/mph
Speed Sensor Input Frequency Range, f
S
at Pin 8 . .62Hz to 222Hz
Speed Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45 mph
Minimum Operating Speed. . . . . . . . . . . . . . . . . . . . . . . . . . 25 mph
Maximum Stored Speed . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mph
Redundant Brake Speed. . . . . . . . . . . . . . . . . . . . . . . . . . . 11 mph
Electrical Specifications
T
A
= +25
o
C, V
CC
= 8.20V, Unless Otherwise Specified (Refer to Figures 2 and 3)
PARAMETERS
SYMBOLS
TEST PIN
TEST CONDITIONS
MIN
MAX
UNITS
Operating Voltage
V
CC
13
7.40
9.00
V
Speed Sensor Input Voltage Amplitude
T.P.B.
62Hz
≤
f
S
≤
222Hz
3.50
15.0
Vpp
V
CC
Supply Current
I
CC
13
7.50
30.0
mA
Current Sense Voltage
V
7
7
43k
to Ground
4.85
5.95
V
Align Voltage
V
17
17
41k
to Ground
4.00
4.20
V
Command Idle Voltage
V
3IDLE
3
S1, S2, S3, S4, S5
Open
7.6
7.9
V
RESUME Command Voltage
V
3RES
3
S2 Closed
5.95
6.56
V
ACCEL Command Voltage
V
3ACCEL
3
S3 Closed
3.95
4.91
V
COAST Command Voltage
V
3COAST
3
S4 Closed
1.22
2.23
V
OFF Voltage
V
3OFF
3
S5 Closed
0
0.77
V
ON Voltage
V
3ON
T.P.A.
S1 Closed
9.2
28
V
Brake Input Voltage
V
BRAKE
12
S6 Closed
5.4
28
V
OUTPUT VOTLAGE
Gate
V
OL
23
4.7k
to V
CC
-
300
mV
V
OH
8
-
V
VAC
V
OL
22
1.2k
to V
CC
-
400
mV
V
OH
8
-
V
VENT
V
OL
21
1.2k
to V
CC
-
400
mV
V
OH
8
-
V
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